{"id":4853,"date":"2025-08-07T00:51:44","date_gmt":"2025-08-06T15:51:44","guid":{"rendered":"https:\/\/eternalsphere.net\/echoes\/?p=4853"},"modified":"2026-06-06T05:10:58","modified_gmt":"2026-06-05T20:10:58","slug":"hx07xzefd2jxh1v","status":"publish","type":"post","link":"https:\/\/eternalsphere.net\/echoes\/index.php\/2025\/08\/07\/hx07xzefd2jxh1v\/","title":{"rendered":"NodeMCU \u6df1\u5ea6\u6280\u672f\u89e3\u6790"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">NodeMCU \u662f\u4e00\u79cd\u4f4e\u6210\u672c\u7684\u5f00\u6e90\u7269\u8054\u7f51\u5f00\u53d1\u5e73\u53f0\uff0c\u5305\u542b\u8fd0\u884c\u4e8e\u4e50\u946b ESP8266\/ESP32 Wi-Fi \u82af\u7247\u4e0a\u7684\u56fa\u4ef6\u4ee5\u53ca\u5bf9\u5e94\u7684\u5f00\u53d1\u677f\u786c\u4ef6\u3002\u6700\u521d NodeMCU \u4e13\u6307\u57fa\u4e8e ESP8266 \u7684 Lua \u811a\u672c\u56fa\u4ef6\u548c\u914d\u5957\u5f00\u53d1\u677f\uff0c\u540e\u6765\u4e5f\u589e\u52a0\u4e86\u5bf9 ESP32 \u82af\u7247\u7684\u652f\u6301\u3002NodeMCU \u5f00\u53d1\u677f\u5ef6\u7eed\u4e86\u7ecf\u5178\u8bbe\u8ba1\uff1a\u4ee5 ESP-12 \u6a21\u5757\u4e3a\u6838\u5fc3\uff0c\u677f\u8f7d USB \u8f6c\u4e32\u53e3\u63a5\u53e3\u3001\u7535\u6e90\u7ba1\u7406\u3001\u7535\u8def\u4fdd\u62a4\u7b49\uff0c\u4f7f\u5f00\u53d1\u8005\u80fd\u65b9\u4fbf\u5730\u901a\u8fc7 USB \u4f9b\u7535\u548c\u4e0b\u8f7d\u7a0b\u5e8f\uff0c\u5e76\u5c06\u5168\u90e8 I\/O \u5f15\u51fa\u5230\u4e24\u4fa7\u6392\u9488\u3002\u4e0b\u9762\u5c06\u4ece\u67b6\u6784\u3001\u7f16\u7a0b\u3001\u63a5\u53e3\u3001\u901a\u4fe1\u3001\u5e94\u7528\u3001\u529f\u8017\u3001\u5b89\u5168\u7b49\u65b9\u9762\u5bf9 NodeMCU \u8fdb\u884c\u5168\u9762\u89e3\u6790\uff0c\u5e2e\u52a9\u6709\u7ecf\u9a8c\u7684\u5f00\u53d1\u8005\u66f4\u9ad8\u6548\u5730\u4f7f\u7528\u8fd9\u4e00\u5e73\u53f0\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">NodeMCU \u786c\u4ef6\u67b6\u6784\u4e0e\u82af\u7247\u5206\u6790<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">ESP8266 vs ESP32 \u67b6\u6784\u5dee\u5f02\uff1aNodeMCU \u5f00\u53d1\u677f\u6838\u5fc3\u53ef\u9009\u62e9 ESP8266 \u6216 ESP32 \u82af\u7247\uff0c\u5b83\u4eec\u5728\u67b6\u6784\u4e0a\u6709\u660e\u663e\u533a\u522b\u3002ESP8266 \u5185\u90e8\u91c7\u7528 32 \u4f4d\u00a0<em>Tensilica Xtensa<\/em>\u00a0L106 \u5355\u6838\u5904\u7406\u5668\uff08\u6700\u9ad8\u4e3b\u9891 80\u2013160 MHz\uff09\uff0c\u96c6\u6210\u4e86 802.11 b\/g\/n Wi-Fi\u5c04\u9891\u6a21\u5757\u3002ESP32 \u5219\u5347\u7ea7\u4e3a 32 \u4f4d\u00a0<em>Tensilica Xtensa<\/em>\u00a0LX6 \u53cc\u6838\u5904\u7406\u5668\uff0c\u4e3b\u9891\u9ad8\u8fbe 240 MHz\uff0c\u5e76\u589e\u52a0\u4e86\u5bf9\u84dd\u7259\u529f\u80fd\u7684\u652f\u6301\uff08\u7ecf\u5178\u84dd\u7259\u548c BLE\uff09\u3002\u4e24\u8005\u5747\u5185\u7f6e SRAM \u548c\u95ea\u5b58\u63a5\u53e3\uff1a\u5178\u578b ESP8266 \u6a21\u7ec4\uff08\u5982 ESP-12F\uff09\u5e26\u6709 32Mbit\uff084MB\uff09 SPI Flash\uff0c\u800c\u5e38\u89c1 ESP32 \u6a21\u7ec4\uff08ESP-WROOM-32\uff09\u4e5f\u5e26 4MB Flash\uff0c\u90e8\u5206\u578b\u53f7\u53ef\u6269\u5c55\u81f3\u66f4\u5927\u5bb9\u91cf\u3002ESP8266 \u53ef\u7528\u5185\u5b58\u6709\u9650\uff08\u7ea650KB \u53ef\u7528 RAM\uff0cIRAM ~320KB\uff09\uff0c\u800c ESP32 \u63d0\u4f9b\u4e86\u66f4\u5927\u7684\u5185\u5b58\u7a7a\u95f4\uff08\u7ea6520KB \u5185\u90e8 SRAM\uff09\u4f9b\u7a0b\u5e8f\u548c\u6570\u636e\u4f7f\u7528\u3002\u8fd9\u79cd\u67b6\u6784\u5dee\u5f02\u610f\u5473\u7740 ESP32 \u80fd\u8fd0\u884c\u66f4\u590d\u6742\u7684\u4efb\u52a1\uff0c\u5e76\u53d1\u5904\u7406\u80fd\u529b\u66f4\u5f3a\u3002\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5916\u56f4\u4e0e\u63a5\u53e3\u8d44\u6e90\uff1aESP8266 \u548c ESP32 \u5728\u7247\u4e0a\u5916\u8bbe\u6570\u91cf\u4e0a\u4e5f\u6709\u6240\u4e0d\u540c\u3002ESP8266 \u63d0\u4f9b\u57fa\u672c\u7684 UART\u3001SPI\u3001I\u00b2C\u3001I\u00b2S\u3001PWM \u7b49\u63a5\u53e3\uff0c\u4ee5\u53ca\u4e00\u4e2a 10 \u4f4d ADC \u6a21\u62df\u8f93\u5165\uff08\u5f15\u811a\u00a0<em>A0<\/em>\uff09\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0cESP32 \u62e5\u6709\u66f4\u4e30\u5bcc\u7684\u5916\u8bbe\uff1a\u9664\u4e86\u591a\u4e2a UART\u3001SPI\u3001I\u00b2C\u3001I\u00b2S\u63a5\u53e3\u5916\uff0c\u8fd8\u5177\u6709\u4e24\u4e2a 12 \u4f4d DAC \u6570\u6a21\u8f6c\u6362\u8f93\u51fa<\/strong>\uff0c<strong>18 \u4e2a\u901a\u9053\u7684 12 \u4f4d ADC \u6a21\u62df\u8f93\u5165<\/strong>\uff0c\u4ee5\u53ca\u786c\u4ef6 PWM\u3001SDIO\u3001CAN \u7b49\uff0c\u66f4\u9002\u5408\u9700\u8981\u591a\u4f20\u611f\u5668\u548c\u6a21\u62df\u4fe1\u53f7\u7684\u573a\u666f\u3002\u53e6\u5916 ESP32 \u96c6\u6210\u4e86<strong>\u786c\u4ef6\u52a0\u5bc6\u5f15\u64ce<\/strong>\uff08\u652f\u6301 AES, RSA \u7b49\uff09\u3001\u771f\u968f\u673a\u6570\u53d1\u751f\u5668\u548c\u534f\u5904\u7406\u5668\u7b49\uff0c\u4e3a\u5b89\u5168\u901a\u4fe1\u548c\u4f4e\u529f\u8017\u5904\u7406\u63d0\u4f9b\u786c\u4ef6\u652f\u6301\u3002\u8fd9\u4e9b\u989d\u5916\u8d44\u6e90\u4f7f ESP32 \u80fd\u80dc\u4efb\u66f4\u590d\u6742\u7684\u7269\u8054\u7f51\u5e94\u7528\uff0c\u800c ESP8266 \u5219\u4ee5\u7cbe\u7b80\u7684\u8d44\u6e90\u6ee1\u8db3\u57fa\u7840\u7684\u8054\u7f51\u63a7\u5236\u9700\u6c42\u3002\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">NodeMCU \u5f00\u53d1\u677f\u8bbe\u8ba1\uff1a\u5178\u578b\u7684 NodeMCU v1.0 \u5f00\u53d1\u677f\u5c3a\u5bf8\u7ea6\u4e3a 25.4mm x 48.3mm\uff0c\u91c7\u7528 2.54mm \u6807\u51c6\u9488\u811a\u65b9\u4fbf\u63d2\u5165\u9762\u5305\u677f\u3002\u677f\u4e0a\u6838\u5fc3\u6a21\u5757\u662f\u710a\u63a5\u7684 ESP-12 \u82af\u7247\u5c01\u88c5\uff08ESP8266 \u6216 ESP32 \u6a21\u7ec4\uff09\uff0c\u5e76\u5305\u542b\u4ee5\u4e0b\u786c\u4ef6\u7ec4\u6210\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>USB \u8f6c\u4e32\u53e3\u82af\u7247\uff1aNodeMCU \u677f\u8f7d\u00a0<strong>CP2102<\/strong>\u00a0\u6216\u00a0<strong>CH340<\/strong>\u00a0USB-UART \u82af\u7247\uff0c\u5b9e\u73b0\u7535\u8111\u4e0e\u677f\u5b50\u4e32\u53e3\u901a\u8baf\u548c\u4f9b\u7535\u3002\u901a\u8fc7 USB \u63a5\u53e3\uff0c\u5373\u53ef\u7ed9\u6a21\u5757\u70e7\u5f55\u56fa\u4ef6\u548c\u8fdb\u884c\u4e32\u53e3\u8c03\u8bd5\uff0c\u6ce2\u7279\u7387\u6700\u9ad8\u652f\u6301 4 Mbps\u3002<\/li>\n\n\n\n<li>\u7535\u6e90\u7ba1\u7406\u7535\u8def\uff1a\u677f\u8f7d\u4f4e\u538b\u5dee\u7ebf\u6027\u7a33\u538b\u5668(LDO)\u5c06 USB \u63d0\u4f9b\u7684 +5V \u8f6c\u6362\u4e3a 3.3V\uff0c\u4e3a ESP \u82af\u7247\u53ca\u5916\u56f4\u4f9b\u7535\u3002NodeMCU \u652f\u6301\u901a\u8fc7 Micro USB \u8f93\u5165 5V\uff08\u5178\u578b4.75~5.25V\uff09\u6216\u76f4\u63a5\u4ece\u5f15\u811a\u63d0\u4f9b 3.3V \u7535\u6e90\uff0c\u8981\u6c42\u4f9b\u7535\u7535\u6d41\u4e0d\u4f4e\u4e8e500mA\u3002\u677f\u4e0a\u901a\u5e38\u8fd8\u6709\u7535\u6e90\u6307\u793a\u706f\u3001\u590d\u4f4d\uff08RST\uff09\u548c\u5f15\u5bfc\u6a21\u5f0f\uff08FLASH\uff09\u6309\u952e\u7b49\uff0c\u65b9\u4fbf\u5f00\u53d1\u8c03\u8bd5\u3002<\/li>\n\n\n\n<li>ESP \u82af\u7247\u53ca\u5b58\u50a8\uff1aESP8266EX \u82af\u7247\u6216 ESP32 \u82af\u7247\u4f4d\u4e8e\u6a21\u7ec4\u5185\uff0c\u5916\u52a0\u4e00\u9897 SPI Flash \u5b58\u50a8\u5668\uff08\u4e00\u822c4MB\uff09\u7528\u4e8e\u5b58\u653e\u7a0b\u5e8f\u4ee3\u7801\u548c\u6587\u4ef6\u7cfb\u7edf\u3002ESP8266 \u82af\u7247\u67b6\u6784\u57fa\u4e8e\u4e50\u946b\u7684\u00a0<em>Diamond 106<\/em>\u00a032\u4f4d RISC \u5185\u6838\uff0c\u5185\u7f6e Wi-Fi MAC\/\u57fa\u5e26\u3001\u5c04\u9891\u6536\u53d1\u3001\u7535\u6e90\u7ba1\u7406\u5355\u5143\u7b49\u3002ESP32 \u5219\u5305\u542b\u4e24\u4e2a LX6\u5185\u6838\u548c\u66f4\u590d\u6742\u7684\u65f6\u949f\u3001\u7f13\u5b58\u4f53\u7cfb\uff0c\u80fd\u591f\u8fd0\u884c\u5b9e\u65f6\u64cd\u4f5c\u7cfb\u7edf (FreeRTOS)\u3002<\/li>\n\n\n\n<li>\u5f15\u811a\u5e03\u5c40\uff1aNodeMCU \u5f15\u51fa\u4e86\u82af\u7247\u7684\u5927\u90e8\u5206 I\/O \u5230\u677f\u4e24\u4fa7\u6392\u9488\u4e0a\uff0c\u5e76\u91c7\u7528<strong>D0-D8<\/strong>\u7b49\u4e1d\u5370\u7f16\u53f7\u4e0e GPIO \u76f8\u5bf9\u5e94\uff0c\u4fbf\u4e8e\u4f7f\u7528\u3002\u4ee5 NodeMCU (ESP8266) V1.0 \u4e3a\u4f8b\uff0c\u5171\u6709 10\u4e2a\u6570\u5b57\u5f15\u811a (D0\u2013D8, D10) \u548c1\u4e2a\u6a21\u62df\u5f15\u811a (A0) \u53ef\u4f9b\u7528\u6237\u4f7f\u7528\uff0c\u5176\u4e2d\u90e8\u5206\u5f15\u811a\u6709\u5185\u90e8\u7279\u6b8a\u529f\u80fd\u6216\u542f\u52a8\u6a21\u5f0f\u4e0a\u7684\u9650\u5236\u3002ESP32\u7248 NodeMCU-32S \u5219\u5f15\u51fa\u7ea6 36 \u4e2a GPIO\uff0c\u5f15\u811a\u529f\u80fd\u66f4\u4e30\u5bcc\uff08\u5305\u62ec\u4e13\u7528\u7684\u89e6\u6478\u5f15\u811a\u3001\u7535\u5bb9\u611f\u5e94\u3001UART2\u7b49\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u7efc\u4e0a\uff0cNodeMCU \u786c\u4ef6\u67b6\u6784\u4ee5\u9ad8\u96c6\u6210\u5ea6\u7684 Wi-Fi \u5fae\u63a7\u5236\u5668\u4e3a\u6838\u5fc3\uff0c\u901a\u8fc7\u5f00\u53d1\u677f\u7684\u7535\u8def\u5c01\u88c5\u63d0\u4f9b\u6613\u7528\u63a5\u53e3\u3002\u5728\u9009\u62e9 ESP8266 vs ESP32 \u82af\u7247\u65f6\uff0c\u9700\u6743\u8861<strong>\u6027\u80fd\u529f\u80fd<\/strong>\uff08ESP32\u66f4\u5f3a\u5927\uff09\u4e0e<strong>\u6210\u672c\u529f\u8017<\/strong>\uff08ESP8266\u66f4\u7b80\u5355\u4f4e\u529f\u8017\uff09\u3002\u4e24\u8005\u7684\u5bf9\u6bd4\u5982\u4e0b\u8868\u6240\u793a\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>\u7279\u6027<\/strong><\/th><th><strong>NodeMCU (ESP8266)<\/strong><\/th><th><strong>NodeMCU (ESP32)<\/strong><\/th><\/tr><\/thead><tbody><tr><td>CPU\u67b6\u6784<\/td><td>\u5355\u6838 32\u4f4d L106 @ 80\u2013160MHz<\/td><td>\u53cc\u6838 32\u4f4d LX6 @ \u53ef\u8fbe240MHz<\/td><\/tr><tr><td>\u5185\u5b58&amp;\u5b58\u50a8<\/td><td>~50KB \u53ef\u7528 SRAM\uff1b4MB Flash \u5e38\u89c1<\/td><td>520KB SRAM\uff1b4MB+ Flash\uff0c\u652f\u6301\u6269\u5c55<\/td><\/tr><tr><td>\u65e0\u7ebf\u529f\u80fd<\/td><td>Wi-Fi 2.4GHz (802.11b\/g\/n)\uff0c\u4e0d\u652f\u6301\u84dd\u7259<\/td><td>Wi-Fi 2.4GHz + \u84dd\u72594.2\/5.0 (BLE)<\/td><\/tr><tr><td>\u5916\u8bbe\u63a5\u53e3<\/td><td>UART, SPI, I2C, PWM, I2S, 1\u00d7ADC (10\u4f4d) \u7b49<\/td><td>UART, SPI, I2C, PWM, I2S, 18\u00d7ADC (12\u4f4d), 2\u00d7DAC \u7b49<\/td><\/tr><tr><td>\u786c\u4ef6\u52a0\u5bc6<\/td><td>\u652f\u6301WEP\/WPA\/WPA2 Wi-Fi\u52a0\u5bc6\u5f15\u64ce<\/td><td>\u652f\u6301\u786c\u4ef6 TLS1.2 \u52a0\u901f\u3001\u968f\u673a\u6570\u3001\u52a0\u5bc6\u534f\u5904\u7406\u5668<\/td><\/tr><tr><td>\u5178\u578b\u529f\u8017<\/td><td>\u6df1\u5ea6\u7761\u7720\u7535\u6d41\u7ea6 20\u202f\u00b5A<\/td><td>\u6df1\u5ea6\u7761\u7720\u7535\u6d41 &lt;5\u202f\u00b5A<\/td><\/tr><tr><td>\u4f18\u52bf\u573a\u666f<\/td><td><strong>\u4f4e\u6210\u672c<\/strong>Wi-Fi\u8282\u70b9\uff0c\u7b80\u5355\u4f20\u611f\u63a7\u5236<\/td><td><strong>\u9ad8\u6027\u80fd<\/strong>\u7269\u8054\u7f51\u7ec8\u7aef\uff0c\u9700Wi-Fi\/BLE\u590d\u5408\u901a\u4fe1<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><em>\uff08\u6ce8\uff1aESP32 \u7cfb\u5217\u8fd8\u6709\u5355\u6838\u4f4e\u529f\u8017\u7248 ESP32-S2\u3001RISC-V \u67b6\u6784\u7684 ESP32-C3 \u7b49\u53d8\u79cd\uff0c\u4e0e\u7ecf\u5178ESP32\u7565\u6709\u4e0d\u540c\uff0c\u4f46NodeMCU\u5f00\u53d1\u677f\u4e3b\u8981\u91c7\u7528ESP32\u53cc\u6838\u7cfb\u5217\u3002\uff09<\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">NodeMCU \u7684\u5f00\u53d1\u73af\u5883\u548c\u7f16\u7a0b\u8bed\u8a00<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">NodeMCU \u7684\u5f00\u653e\u6027\u4f7f\u5176\u652f\u6301\u591a\u79cd\u5f00\u53d1\u73af\u5883\u548c\u7f16\u7a0b\u8bed\u8a00\uff0c\u5f00\u53d1\u8005\u53ef\u6839\u636e\u4e60\u60ef\u548c\u9879\u76ee\u9700\u6c42\u9009\u62e9\u3002\u5e38\u89c1\u7684\u5f00\u53d1\u65b9\u5f0f\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Lua \u811a\u672c\uff08NodeMCU \u56fa\u4ef6\uff09\uff1aNodeMCU \u6700\u521d\u968f\u9644\u7684\u5b98\u65b9\u56fa\u4ef6\u5373\u91c7\u7528 Lua \u89e3\u91ca\u5668\u3002\u70e7\u5165 NodeMCU Lua \u56fa\u4ef6\u540e\uff0c\u677f\u5b50\u4e0a\u8fd0\u884c Lua \u865a\u62df\u673a\uff0c\u53ef\u901a\u8fc7\u4e32\u53e3\u6216 IDE\uff08\u5982 ESPlorer\uff09\u4e0a\u4f20\u5e76\u6267\u884c Lua \u811a\u672c\u3002Lua \u8bed\u8a00\u7b80\u5355\u6613\u5b66\uff0c\u8bed\u6cd5\u7cbe\u70bc\uff0c\u7279\u522b\u9002\u5408\u5feb\u901f\u539f\u578b\u5f00\u53d1\u3002\u4f8b\u5982\uff0c\u53ea\u9700\u51e0\u884c Lua \u5c31\u80fd\u8fde\u63a5 WiFi\u5e76\u542f\u52a8\u4e00\u4e2a Web \u670d\u52a1\u6216\u63a7\u5236 GPIO\u3002\u8fd9\u79cd\u201c\u811a\u672c\u5373\u56fa\u4ef6\u201d\u7684\u6a21\u5f0f\u7701\u53bb\u4e86\u7f16\u8bd1\u70e7\u5f55\u7684\u7e41\u7410\uff0c\u4fee\u6539\u4ee3\u7801\u540e\u76f4\u63a5\u5728\u8bbe\u5907\u4e0a\u8fd0\u884c\uff0c\u5927\u5e45\u63d0\u5347\u5f00\u53d1\u8fed\u4ee3\u901f\u5ea6\u3002\u5f53\u7136\uff0c\u5176\u7f3a\u70b9\u662f\u8fd0\u884c\u6548\u7387\u76f8\u5bf9 C \u8bed\u8a00\u8f83\u4f4e\uff0c\u590d\u6742\u5e94\u7528\u53ef\u80fd\u53d7\u9650\u4e8e\u811a\u672c\u6267\u884c\u6027\u80fd\u548c\u5185\u5b58\u5360\u7528\u3002\u603b\u4f53\u800c\u8a00\uff0cLua \u9002\u5408\u5feb\u901f\u8bd5\u9a8c\u548c\u5165\u95e8\u5b66\u4e60\uff0c\u76ee\u524d\u5e38\u7528\u4e8e\u7b80\u5355\u7269\u8054\u7f51\u6f14\u793a\u9879\u76ee\u3002<\/li>\n\n\n\n<li><strong>Arduino C\/C++\uff08Arduino IDE\uff09\uff1a\u4e50\u946b\u5b98\u65b9\u4e3a ESP8266 \u548c ESP32 \u63d0\u4f9b\u4e86 Arduino Core\uff0c\u5141\u8bb8\u5728 Arduino IDE \u4e2d\u4ee5\u7c7b\u4f3c Arduino \u7684\u65b9\u5f0f\u7528 C\/C++ \u5f00\u53d1 NodeMCU\u3002\u5f00\u53d1\u8005\u53ef\u4ee5\u5229\u7528\u4e30\u5bcc\u7684 Arduino\u5e93\u8d44\u6e90\uff08\u5982\u64cd\u4f5c\u4f20\u611f\u5668\u3001\u663e\u793a\u5c4f\u3001\u534f\u8bae\u5c01\u88c5\u7684\u5e93\uff09\uff0c\u964d\u4f4e\u7269\u8054\u7f51\u5f00\u53d1\u95e8\u69db\u3002\u4f8b\u5982\uff0c\u901a\u8fc7\u5728 Arduino IDE \u4e2d\u5b89\u88c5 ESP8266\/ESP32 \u677f\u5361\u652f\u6301\uff0c\u9009\u62e9 \u201cNodeMCU 1.0\u201d \u5f00\u53d1\u677f\uff0c\u5c31\u80fd\u7f16\u5199\u00a0<code>setup()<\/code>\u00a0\u548c\u00a0<code>loop()<\/code>\u00a0\u51fd\u6570\u6765\u63a7\u5236 NodeMCU\u3002\u4f7f\u7528 Arduino \u73af\u5883\u7684\u4f18\u70b9\u662f\u751f\u6001\u5b8c\u5584\u3001\u4e0a\u624b\u7b80\u5355<\/strong>\uff0c\u5927\u91cf\u793a\u4f8b\u548c\u6559\u7a0b\u53ef\u53c2\u8003\u3002\u540c\u65f6\uff0cArduino \u7f16\u8bd1\u7684\u4e8c\u8fdb\u5236\u8fd0\u884c\u6548\u7387\u9ad8\u4e8e\u811a\u672c\uff0c\u53ef\u4ee5\u5145\u5206\u53d1\u6325\u82af\u7247\u6027\u80fd\u3002\u5bf9\u4e8e\u5e0c\u671b\u6df1\u5165\u63a7\u5236\u786c\u4ef6\u6216\u8ffd\u6c42\u66f4\u9ad8\u6027\u80fd\u7684\u5f00\u53d1\u8005\uff0cArduino\u65b9\u5f0f\u662fNodeMCU\u4e0a\u975e\u5e38\u6d41\u884c\u4e14\u5b9e\u7528\u7684\u9009\u62e9\u3002<\/li>\n\n\n\n<li>MicroPython\uff08Python \u89e3\u91ca\u6267\u884c\uff09\uff1aMicroPython \u662f\u6d41\u884c\u7684\u5d4c\u5165\u5f0f Python \u5b9e\u73b0\uff0cNodeMCU \u540c\u6837\u652f\u6301\u5237\u5165 MicroPython \u56fa\u4ef6\u540e\u4ee5 Python \u811a\u672c\u5f00\u53d1\u3002\u5f00\u53d1\u8005\u53ef\u4ee5\u901a\u8fc7\u4e32\u53e3 REPL \u6216\u5de5\u5177\uff08\u5982 Thonny IDE\uff09\u76f4\u63a5\u6267\u884c Python \u4ee3\u7801\uff0c\u64cd\u63a7 NodeMCU \u5f15\u811a\u548c\u7f51\u7edc\u529f\u80fd\u3002MicroPython \u7684\u4f18\u70b9\u5728\u4e8e Python \u8bed\u8a00\u7b80\u5355\u5f3a\u5927\uff0c\u62e5\u6709\u4e30\u5bcc\u7684\u5e93\uff0c\u9002\u5408\u8fdb\u884c\u6570\u636e\u5904\u7406\u3001\u7f51\u7edc\u901a\u4fe1\u7b49\u4efb\u52a1\uff0c\u5e76\u80fd\u5feb\u901f\u539f\u578b\u9a8c\u8bc1\u3002\u7279\u522b\u662f\u5728 ESP32 \u4e0a\uff0c\u8f83\u5927\u7684\u5185\u5b58\u5141\u8bb8\u8fd0\u884c MicroPython \u6bd4 ESP8266 \u66f4\u52a0\u6d41\u7545\u3002\u4e0d\u8fc7\u9700\u8981\u6ce8\u610f\uff0cMicroPython \u672c\u8d28\u4e0a\u4ecd\u8fd0\u884c\u4e8e\u53d7\u9650\u786c\u4ef6\u4e0a\uff0c\u5927\u91cf\u8fd0\u7b97\u6216\u9ad8\u5b9e\u65f6\u6027\u573a\u666f\u4e0b\u6027\u80fd\u4e0d\u53ca C \u8bed\u8a00\u3002\u5bf9\u4e8e\u719f\u6089 Python \u7684\u5f00\u53d1\u8005\u6765\u8bf4\uff0c\u5728 NodeMCU \u4e0a\u4f7f\u7528 MicroPython \u53ef\u4ee5\u5927\u5e45\u63d0\u9ad8\u5f00\u53d1\u6548\u7387\u3002<\/li>\n\n\n\n<li>AT \u6307\u4ee4\u96c6\u63a7\u5236\uff1a\u53e6\u4e00\u79cd\u4f7f\u7528 NodeMCU \u7684\u65b9\u5f0f\u662f\u4e0d\u76f4\u63a5\u5f00\u53d1\u5176\u56fa\u4ef6\uff0c\u800c\u662f\u5c06\u5176\u5f53\u4f5c\u201cWi-Fi\u901a\u4fe1\u6a21\u7ec4\u201d\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u7ed9 NodeMCU \u70e7\u5f55 Espressif \u5b98\u65b9 AT \u6307\u4ee4\u56fa\u4ef6\uff0c\u7136\u540e\u901a\u8fc7\u4e32\u53e3\u7531\u53e6\u4e00\u5fae\u63a7\u677f\uff08\u5982 Arduino Uno\uff09\u53d1\u9001 AT \u6307\u4ee4\u6765\u63a7\u5236 NodeMCU \u7684 WiFi\u529f\u80fd\u3002ESP8266\/ESP32 \u5185\u7f6e\u7684 AT \u56fa\u4ef6\u63d0\u4f9b\u4e86\u5927\u91cf\u6587\u672c\u6307\u4ee4\uff0c\u53ef\u5b9e\u73b0\u65e0\u7ebf\u8054\u7f51\u3001\u6536\u53d1\u6570\u636e\u7b49\u64cd\u4f5c\u3002\u8fd9\u79cd\u6a21\u5f0f\u4e0b\uff0cNodeMCU \u7c7b\u4f3c\u4e8e\u5916\u63a5\u7684\u8c03\u5236\u89e3\u8c03\u5668\uff0c\u9002\u5408\u5728\u539f\u6709\u5355\u7247\u673a\u9879\u76ee\u4e2d\u5feb\u901f\u6dfb\u52a0 Wi-Fi \u529f\u80fd\u3002\u4e0d\u8db3\u4e4b\u5904\u662f\u9700\u8981\u4e24\u5757\u82af\u7247\u534f\u4f5c\uff0c\u901a\u4fe1\u5f00\u9500\u548c\u5f00\u53d1\u590d\u6742\u5ea6\u8f83\u9ad8\uff0c\u4e00\u822c\u53ea\u5728\u8d44\u6e90\u6781\u5176\u6709\u9650\u6216\u4e0d\u65b9\u4fbf\u91cd\u65b0\u7f16\u7a0b\u539f\u6709\u5355\u7247\u673a\u65f6\u91c7\u7528\u3002<\/li>\n\n\n\n<li><strong>\u539f\u751f SDK \u5f00\u53d1\uff1a\u5bf9\u4e8e\u8ffd\u6c42\u6781\u81f4\u6027\u80fd\u548c\u63a7\u5236\u529b<\/strong>\u7684\u5f00\u53d1\u8005\uff0c\u4e5f\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u4e50\u946b\u5b98\u65b9\u63d0\u4f9b\u7684 SDK \u6765\u5f00\u53d1 NodeMCU\u3002\u672c\u8d28\u4e0a NodeMCU \u677f\u4e0a\u7684\u82af\u7247\u4e0e\u666e\u901a ESP8266\/ESP32 \u6a21\u7ec4\u65e0\u5f02\uff0c\u53ef\u4ee5\u4f7f\u7528\u5b98\u65b9\u00a0<em>ESP8266 RTOS SDK \/ ESP-IDF<\/em>\u00a0\u7b49\u8fdb\u884c C\/C++ \u7f16\u7a0b\u3002\u8fd9\u9700\u8981\u642d\u5efa\u4ea4\u53c9\u7f16\u8bd1\u73af\u5883\uff08\u5982 Linux + GCC \u5de5\u5177\u94fe\u6216\u4f7f\u7528 VS Code PlatformIO\uff09\uff0c\u719f\u6089\u5e95\u5c42 API \u548c FreeRTOS\u3002\u76f8\u6bd4 Arduino\uff0c\u6b64\u65b9\u5f0f\u5f00\u53d1\u5468\u671f\u66f4\u957f\uff0c\u4f46<strong>\u53ef\u5b9a\u5236\u6027\u6700\u9ad8<\/strong>\uff0c\u9002\u5408\u5de5\u4e1a\u7ea7\u9879\u76ee\u3002\u5b9e\u9645\u4e0a\uff0c\u50cf NodeMCU Lua \u56fa\u4ef6\u3001\u672c\u8eab\u4e5f\u662f\u57fa\u4e8e\u5b98\u65b9 SDK \u4e8c\u6b21\u5f00\u53d1\u7684\u4ea7\u7269\u3002\u56e0\u6b64\u53ea\u6709\u5728\u9700\u8981\u6df1\u5ea6\u5b9a\u5236\u6216\u4f18\u5316\u65f6\u624d\u8003\u8651\u76f4\u63a5\u4f7f\u7528\u5b98\u65b9 SDK\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u8ff0\u591a\u79cd\u5f00\u53d1\u73af\u5883\u4e3a NodeMCU \u63d0\u4f9b\u4e86<strong>\u7075\u6d3b\u7684\u9009\u62e9<\/strong>\uff1a\u65e2\u652f\u6301\u811a\u672c\u8bed\u8a00\u5feb\u901f\u4e0a\u624b\uff0c\u53c8\u652f\u6301 Arduino \u6846\u67b6\u7b80\u5355\u9ad8\u6548\uff0c\u8fd8\u6709\u8fdb\u9636\u7684 MicroPython \u548c\u539f\u751f SDK \u6ee1\u8db3\u4e0d\u540c\u9700\u6c42\u3002NodeMCU \u5f00\u6e90\u793e\u533a\u4e5f\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u5f00\u53d1\u6587\u6863\u548c\u5de5\u5177\u652f\u6301\uff0c\u4f8b\u5982\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>NodeMCU \u5b98\u65b9\u6587\u6863\uff08NodeMCU.readthedocs.io\uff09\u8be6\u7ec6\u5217\u51fa Lua API \u548c\u4f7f\u7528\u6307\u5357\u3002<\/li>\n\n\n\n<li><strong>\u5728\u7ebf\u56fa\u4ef6\u5b9a\u5236\u7f16\u8bd1\u670d\u52a1<\/strong>\uff1a\u5f00\u53d1\u8005\u53ef\u5728 NodeMCU \u5b98\u7f51\u6216\u7b2c\u4e09\u65b9\u5e73\u53f0\u9009\u62e9\u6240\u9700\u6a21\u5757\u81ea\u884c\u751f\u6210\u5b9a\u5236 Lua \u56fa\u4ef6\uff0c\u4ee5\u51cf\u5c11\u5185\u5b58\u5360\u7528\u3002<\/li>\n\n\n\n<li><strong>\u70e7\u5f55\u548c\u8c03\u8bd5\u5de5\u5177<\/strong>\uff1aESP8266Flasher\u3001esptool.py \u7b49\u7528\u4e8e\u70e7\u5199\u56fa\u4ef6\uff1bESPlorer\u3001Thonny \u7b49 IDE \u7528\u4e8e\u7f16\u5199\u548c\u4e0a\u4f20\u811a\u672c\u3002\u8fd9\u4e9b\u5de5\u5177\u4f7f\u5f00\u53d1\u6d41\u7a0b\u66f4\u52a0\u987a\u7545\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u603b\u4e4b\uff0c\u65e0\u8bba\u559c\u6b22\u54ea\u79cd\u8bed\u8a00\u6216\u5f00\u53d1\u6a21\u5f0f\uff0cNodeMCU \u90fd\u80fd\u63d0\u4f9b\u76f8\u5e94\u652f\u6301\uff0c\u4f53\u73b0\u4e86\u5176\u4f5c\u4e3a\u7269\u8054\u7f51\u5f00\u53d1\u5e73\u53f0\u7684\u5f00\u653e\u6027\u548c\u7075\u6d3b\u6027\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e0e\u5916\u90e8\u6a21\u5757\u548c\u4f20\u611f\u5668\u7684\u63a5\u53e3<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">NodeMCU \u5f00\u53d1\u677f\u5f15\u51fa\u4e86\u4e30\u5bcc\u7684\u786c\u4ef6\u63a5\u53e3\uff0c\u65b9\u4fbf\u8fde\u63a5\u5404\u79cd\u5916\u8bbe\u548c\u4f20\u611f\u5668\uff0c\u5b9e\u73b0\u5bf9\u7269\u7406\u4e16\u754c\u7684\u611f\u77e5\u4e0e\u63a7\u5236\u3002\u4ee5\u4e0b\u662f NodeMCU \u5e38\u7528\u7684\u63a5\u53e3\u7c7b\u578b\u53ca\u5176\u7279\u70b9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>GPIO \u901a\u7528\u6570\u5b57 IO\uff1aNodeMCU \u63d0\u4f9b\u591a\u8fbe 17 \u4e2a\uff08ESP8266\uff09\u6216 30+ \u4e2a\uff08ESP32\uff09\u53ef\u7f16\u7a0b GPIO \u5f15\u811a\uff0c\u7528\u4e8e\u6570\u5b57\u4fe1\u53f7\u7684\u8f93\u5165\u548c\u8f93\u51fa\u3002\u5f00\u53d1\u8005\u53ef\u4ee5\u5c06 GPIO \u914d\u7f6e\u4e3a\u8f93\u5165\u6a21\u5f0f\u8bfb\u53d6\u4f20\u611f\u5668\u7684\u9ad8\u4f4e\u7535\u5e73\uff0c\u6216\u914d\u7f6e\u4e3a\u8f93\u51fa\u6a21\u5f0f\u9a71\u52a8 LED\u3001\u7ee7\u7535\u5668\u7b49\u5668\u4ef6\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u90e8\u5206 GPIO \u5177\u5907\u5185\u90e8\u4e0a\u62c9\/\u4e0b\u62c9<\/strong>\u529f\u80fd\uff0c\u53ef\u901a\u8fc7\u8f6f\u4ef6\u542f\u7528\uff1b\u5c11\u6570\u5f15\u811a\u5728\u590d\u4f4d\u6216\u542f\u52a8\u65f6\u6709\u7279\u6b8a\u7528\u9014\uff08\u5982 GPIO0,2,15 \u51b3\u5b9a\u542f\u52a8\u6a21\u5f0f\uff0cESP8266 \u7684 D3,D4,D8 \u7b49\u5728\u4e0a\u7535\u65f6\u88ab\u62c9\u9ad8\/\u4f4e\uff09\u3002\u56e0\u6b64\u5728\u7535\u8def\u8bbe\u8ba1\u65f6\u8981\u907f\u514d\u5360\u7528\u8fd9\u4e9b\u5f15\u811a\u6216\u59a5\u5584\u5904\u7406\u3002\u6b64\u5916\uff0cESP8266 \u7684 GPIO16 (D0) \u4e0d\u652f\u6301\u4e2d\u65ad\u548c I\u00b2C\/OW \u603b\u7ebf\uff0c\u53ea\u80fd\u505a\u7b80\u5355 GPIO \u7528\u9014\u3002\u603b\u4f53\u800c\u8a00\uff0cNodeMCU \u7684\u6570\u5b57\u5f15\u811a\u53ef\u6ee1\u8db3\u4e00\u822c\u5f00\u5173\u91cf\u8bfb\u53d6\u548c\u9a71\u52a8\u9700\u6c42\u3002<\/li>\n\n\n\n<li><strong>ADC \u6a21\u62df\u8f93\u5165\uff1aESP8266 \u82af\u7247\u4ec5\u63d0\u4f9b\u4e00\u4e2a 10 \u4f4d ADC \u901a\u9053 (0\u20131.0V \u7535\u538b\u6d4b\u91cf\u8303\u56f4)\uff0c\u88ab\u5f15\u51fa\u4e3a NodeMCU \u7684\u00a0<em>A0<\/em>\u00a0\u5f15\u811a\uff08\u9700\u6ce8\u610f NodeMCU \u677f\u4e0a\u901a\u5e38\u6709\u7535\u963b\u5206\u538b\uff0c\u4f7f A0 \u5b9e\u9645\u53ef\u6d4b\u7535\u538b\u8303\u56f4 0\u20133.3V\uff09\u3002\u8fd9\u610f\u5473\u7740\u539f\u7248 NodeMCU\u00a0\u4e00\u6b21\u53ea\u80fd\u8bfb\u53d6\u4e00\u4e2a\u6a21\u62df\u4fe1\u53f7\uff0c\u4e14\u7cbe\u5ea6\u6709\u9650\u3002ESP32 \u82af\u7247\u5219\u5185\u7f6e\u4e24\u8def ADC \u63a7\u5236\u5668\u517118\u4e2a\u901a\u9053<\/strong>\uff0c\u6bcf\u8def 12 \u4f4d\u7cbe\u5ea6\u3002ESP32 NodeMCU \u5f00\u53d1\u677f\u5f15\u51fa\u4e86\u5176\u4e2d\u5927\u90e8\u5206 ADC \u5f15\u811a\uff0c\u5141\u8bb8\u540c\u65f6\u8bfb\u53d6\u591a\u4e2a\u6a21\u62df\u4f20\u611f\u5668\u503c\uff0c\u5982\u6e29\u5ea6\u3001\u7535\u4f4d\u5668\u3001\u7535\u538b\u7b49\u3002\u6a21\u62df\u63a5\u53e3\u4f7f NodeMCU \u80fd\u76f4\u63a5\u4e0e\u73af\u5883\u4e2d\u7684\u6a21\u62df\u91cf\u8fde\u63a5\uff0c\u4f46\u8981\u6ce8\u610f ADC \u7684\u8f93\u5165\u7535\u538b\u4e0a\u9650\uff08\u4e00\u822c3.3V\uff09\uff0c\u5fc5\u8981\u65f6\u9700\u5206\u538b\u4fdd\u62a4\u3002\u53e6\u5916\uff0c\u5982\u679c\u9700\u8981\u66f4\u9ad8\u7cbe\u5ea6\u6216\u91c7\u6837\u7387\uff0c\u53ef\u8003\u8651\u4f7f\u7528\u5916\u90e8 ADC \u6a21\u5757\u901a\u8fc7 I\u00b2C\/SPI \u8fde\u5165\u3002<\/li>\n\n\n\n<li><strong>PWM \u8109\u5bbd\u8c03\u5236\u8f93\u51fa\uff1a\u901a\u8fc7\u8f6f\u4ef6\u6216\u786c\u4ef6\u5b9a\u65f6\u5668\uff0cNodeMCU \u53ef\u4ee5\u5728\u6570\u5b57\u5f15\u811a\u4e0a\u8f93\u51fa PWM \u6ce2\u5f62\uff0c\u7528\u4e8e\u63a7\u5236 LED \u4eae\u5ea6\u3001\u8235\u673a\u89d2\u5ea6\u3001\u7535\u673a\u8f6c\u901f\u7b49\u6a21\u62df\u91cf\u3002ESP8266 \u4e0a\u6700\u591a\u53ef\u6a21\u62df\u8f93\u51fa ~6 \u8def\u8f6f\u4ef6 PWM\uff08\u9891\u7387\u548c\u5206\u8fa8\u7387\u6709\u9650\uff09\uff0cESP32 \u5219\u6709\u786c\u4ef6 PWM \u53d1\u751f\u5668\uff0c\u53ef\u63d0\u4f9b\u9ad8\u8fbe\u6570\u5341\u8def\u7684\u72ec\u7acb PWM \u8f93\u51fa\uff0c\u652f\u6301\u66f4\u9ad8\u5206\u8fa8\u7387\u548c\u9891\u7387\u3002\u4f7f\u7528 PWM \u65f6\uff0c\u53ea\u9700\u8c03\u7528\u76f8\u5e94API\u8bbe\u7f6e\u5360\u7a7a\u6bd4\u548c\u9891\u7387\uff0c\u5373\u53ef\u8ba9\u5f15\u811a\u8f93\u51fa\u6240\u9700\u7684\u65b9\u6ce2\u4fe1\u53f7\u3002\u4f8b\u5982\uff0c\u5728 Arduino \u73af\u5883\u4e0b\u53ef\u4f7f\u7528\u00a0<code>analogWrite(pin, value)<\/code>\u00a0\u63a7\u5236 PWM\uff1b\u5728 NodeMCU Lua \u4e2d\u5219\u6709\u00a0<code>pwm.setup(pin, freq, duty)<\/code>\u00a0\u7b49\u63a5\u53e3\u3002PWM \u529f\u80fd\u6781\u5927\u5730\u65b9\u4fbf\u4e86\u5bf9\u6a21\u62df\u8bbe\u5907\u7684\u63a7\u5236<\/strong>\uff0c\u5982\u8c03\u5149\u3001\u8c03\u901f\u7b49\u3002<\/li>\n\n\n\n<li><strong>I\u00b2C \u63a5\u53e3\uff1aNodeMCU \u652f\u6301\u901a\u8fc7 I\u00b2C \u603b\u7ebf\u4e0e\u5404\u79cd\u4f20\u611f\u5668\u548c\u5916\u56f4\u82af\u7247\u901a\u4fe1\uff08\u5982 OLED \u663e\u793a\u5c4f\u3001\u6e29\u6e7f\u5ea6\u4f20\u611f\u5668\u7b49\uff09\u3002ESP8266 \u6ca1\u6709\u786c\u4ef6 I\u00b2C \u63a7\u5236\u5668\uff0c\u4f46\u53ef\u4ee5\u7531\u4efb\u610f\u4e24\u4e2a GPIO \u6a21\u62df I\u00b2C\uff08\u8f6f\u4ef6 I\u00b2C\uff09\uff0c\u9ed8\u8ba4 NodeMCU Lua \u56fa\u4ef6\u4f7f\u7528 D2(GPIO4) \u548c D1(GPIO5) \u4f5c\u4e3a SDA\/SCL\u3002ESP32 \u5219\u6709\u4e24\u4e2a\u786c\u4ef6 I\u00b2C \u5916\u8bbe\uff0c\u53ef\u914d\u7f6e\u6620\u5c04\u5230\u4efb\u610f IO \u5f15\u811a\u4e0a\u3002I\u00b2C \u603b\u7ebf\u91c7\u7528\u53cc\u7ebf\uff08SDA\u6570\u636e\u7ebf\uff0cSCL\u65f6\u949f\u7ebf\uff09\u4e32\u884c\u901a\u4fe1<\/strong>\uff0c\u652f\u6301\u591a\u4e2a\u4ece\u8bbe\u5907\uff0c\u5177\u6709\u603b\u7ebf\u7b80\u5355\u3001\u6269\u5c55\u65b9\u4fbf\u7684\u4f18\u70b9\u3002NodeMCU \u4e2d\u4f7f\u7528 I\u00b2C\uff0c\u9700\u8981\u6ce8\u610f\u4e0a\u62c9\u7535\u963b\uff08\u4e00\u822c\u677f\u4e0a\u5df2\u542b\u6216\u6a21\u5757\u81ea\u5e26\uff09\u4ee5\u53ca\u603b\u7ebf\u5730\u5740\u7ba1\u7406\u3002\u5e38\u89c1\u7684 I\u00b2C \u4f20\u611f\u5668\u5982 MPU6050 \u516d\u8f74\u4f20\u611f\u5668\u3001OLED \u5c4f\u5e55\u3001ADS1115 ADC \u6a21\u5757\u7b49\u90fd\u53ef\u76f4\u63a5\u8fde\u63a5 NodeMCU\uff0c\u76f8\u5e94\u5e93\u4e5f\u5341\u5206\u4e30\u5bcc\u3002<\/li>\n\n\n\n<li><strong>SPI \u63a5\u53e3\uff1aSPI \u662f\u9ad8\u901f\u5168\u53cc\u5de5\u540c\u6b65\u603b\u7ebf\uff0cNodeMCU \u5f15\u51fa\u4e86\u6807\u51c6 SPI \u5f15\u811a\uff08ESP8266\u9ed8\u8ba4\u4e3a D6=DIO\/MISO, D7=D0\/MOSI, D5=CLK, D8=CS \u7b49\uff09\u3002ESP8266 \u6709 2 \u4e2a SPI\uff08\u4e00\u4e2a\u7528\u4e8e\u4e0e\u95ea\u5b58\u901a\u4fe1\uff0c\u53e6\u4e00\u4e2a\u53ef\u7528\u4e8e\u7528\u6237\u5916\u8bbe\uff09\uff0cESP32 \u5219\u6709 4 \u4e2a SPI \u5916\u8bbe\uff08\u542b\u4e13\u7528\u7684\u7528\u4e8e\u95ea\u5b58\/PSRAM\uff09\u3002\u901a\u8fc7 SPI\uff0cNodeMCU \u80fd\u4e0e\u663e\u793a\u5c4f(TFT LCD)\u3001\u5b58\u50a8\u82af\u7247(SD \u5361)\u3001\u4ee5\u592a\u7f51\u6a21\u5757\u3001\u5404\u7c7b\u9ad8\u901f ADC\/DAC \u7b49\u901a\u4fe1\u3002Arduino \u548c NodeMCU Lua \u90fd\u63d0\u4f9b SPI \u4e3b\u673a\u5e93\uff0c\u914d\u7f6e SPI \u6a21\u5f0f\u548c\u65f6\u949f\u540e\u5373\u53ef\u8bfb\u5199\u3002\u9700\u8981\u786e\u4fdd\u6240\u8fde SPI \u4ece\u8bbe\u5907\u7684\u5de5\u4f5c\u7535\u538b\u4e0e NodeMCU \u517c\u5bb9\uff083.3V\uff09\uff0c5V \u8bbe\u5907\u9700\u7535\u5e73\u8f6c\u6362\u3002SPI \u901a\u5e38\u7528\u4e8e\u9ad8\u901f\u6570\u636e\u91c7\u96c6\u6216\u8f93\u51fa<\/strong>\u573a\u666f\uff0c\u4f8b\u5982\u8bfb\u53d6\u9ad8\u901f ADC\u7684\u6570\u636e\u6216\u63a7\u5236\u5f69\u5c4f\u663e\u793a\uff0c\u5373\u65f6\u6027\u8f83 I\u00b2C \u66f4\u4f73\u3002<\/li>\n\n\n\n<li>UART \u4e32\u53e3\uff1aESP8266\/ESP32 \u5747\u5185\u7f6e\u591a\u4e2a UART\u3002ESP8266 \u6709 2 \u4e2aUART\uff08UART0 \u548c UART1\uff0c\u5176\u4e2d UART0 TX\/RX \u5f15\u51fa\u4e86 NodeMCU \u7684\u4e32\u53e3\u63a5\u53e3\u7528\u4e8e\u4e0b\u8f7d\/\u8c03\u8bd5\uff0cUART1 \u4ec5TX\u7528\u4e8e\u65e5\u5fd7\u8f93\u51fa\uff09\u3002ESP32 \u6709 3 \u4e2a UART\uff0c\u66f4\u591a\u7075\u6d3b\u6027\u3002NodeMCU \u677f\u8f7d USB \u8f6c\u4e32\u53e3\u82af\u7247\u5df2\u5360\u7528\u4e86\u4e3b\u8981 UART\u7528\u4e8e\u4e0e\u7535\u8111\u901a\u8baf\uff0c\u5982\u679c\u9700\u8981\u8fde\u63a5\u5176\u4ed6\u4e32\u53e3\u8bbe\u5907\uff08\u5982 GPS \u6a21\u5757\u3001\u84dd\u7259\u6a21\u5757\u7b49\uff09\uff0c\u53ef\u4ee5\u4f7f\u7528\u5907\u7528UART\u5f15\u811a\uff08\u5982 ESP8266 \u7684 U0RXD\/U0TXD \u6216 ESP32\u7684 GPIO16\/17 \u7b49\u6620\u5c04UART2\uff09\u3002\u901a\u8fc7 UART\uff0cNodeMCU \u80fd\u4e0e\u4f20\u7edf\u4e32\u53e3\u4f20\u611f\u5668\u6216\u6a21\u5757\u901a\u4fe1\uff0c\u6216\u8005\u4e0e\u5176\u4ed6\u5fae\u63a7\u5236\u5668\u4e32\u53e3\u901a\u4fe1\uff0c\u5b9e\u73b0\u4e3b\u4ece\u534f\u4f5c\u3002<\/li>\n\n\n\n<li>\u5176\u4ed6\u63a5\u53e3\uff1aNodeMCU \u8fd8\u652f\u6301\u4e00\u7ebf\u603b\u7ebf\uff081-Wire\uff0c\u7528\u4e8e\u4f8b\u5982 DS18B20\u6e29\u5ea6\u4f20\u611f\u5668\uff09\uff0c\u7ea2\u5916\u9065\u63a7\u63a5\u53e3\uff08\u901a\u8fc7\u7279\u5b9a\u5f15\u811a\u7684\u8f7d\u6ce2\u8f93\u51fa\/\u8f93\u5165\uff09\uff0c\u6a21\u62df\u58f0\u97f3\u63a5\u53e3\uff08ESP8266\u65e0\u5185\u7f6eDAC\u4f46\u53ef\u901a\u8fc7PWM\u5b9e\u73b0\uff0cESP32\u6709I\u00b2S\u63a5\u53e3\u652f\u6301\u97f3\u9891\u91c7\u96c6\u548c\u64ad\u653e\uff09\u7b49\u7279\u6b8a\u7528\u9014\u63a5\u53e3\u3002\u4f8b\u5982\uff0c\u5229\u7528 1-Wire\uff0c\u591a\u4e2a\u6570\u5b57\u6e29\u5ea6\u4f20\u611f\u5668\u53ef\u5e76\u8054\u5728\u4e00\u4e2aGPIO\u4e0a\u8bfb\u53d6\u3002\u5229\u7528 I\u00b2S\uff0cNodeMCU \u53ef\u4ee5\u8fde\u63a5 I2S DAC \u64ad\u653e\u97f3\u9891\u6216\u5f55\u97f3\u3002\u5728\u5e94\u7528\u8fd9\u4e9b\u63a5\u53e3\u65f6\uff0c\u9700\u8981\u76f8\u5e94\u7684\u8f6f\u4ef6\u5e93\u6216\u9a71\u52a8\u914d\u5408\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u8ff0\u63a5\u53e3\u786e\u4fdd\u4e86 NodeMCU\u00a0<strong>\u5e7f\u6cdb\u7684\u4f20\u611f\u5668\u517c\u5bb9\u6027<\/strong>\u3002\u4ece\u7b80\u5355\u7684 LED\u3001\u6309\u94ae\uff0c\u5230\u590d\u6742\u7684 IMU\u60ef\u6027\u4f20\u611f\u5668\u3001\u6444\u50cf\u5934\u6a21\u5757\uff08ESP32 \u53ef\u8fde\u63a5\u6444\u50cf\u5934\u6a21\u5757\u5982 OV2640 \u5b9e\u73b0\u89c6\u9891\u91c7\u96c6\uff09\uff0cNodeMCU \u90fd\u80fd\u80dc\u4efb\u3002\u4e3e\u4f8b\u6765\u8bf4\uff0c\u53ef\u4ee5\u5c06 DHT11 \u6e29\u6e7f\u5ea6\u4f20\u611f\u5668\u7684\u6570\u636e\u5f15\u5165 NodeMCU \u7684\u6570\u5b57\u5f15\u811a\uff0c\u518d\u901a\u8fc7 WiFi \u4e0a\u4f20\u4e91\u7aef\uff1b\u6216\u5c06 NodeMCU \u7684 PWM \u5f15\u811a\u8fde\u63a5\u8235\u673a\uff0c\u5b9e\u73b0\u8fdc\u7a0b\u89d2\u5ea6\u63a7\u5236\u3002\u7075\u6d3b\u8fd0\u7528\u8fd9\u4e9b\u63a5\u53e3\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u6784\u5efa\u4e30\u5bcc\u7684\u7269\u8054\u7f51\u786c\u4ef6\u7cfb\u7edf\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7f51\u7edc\u901a\u4fe1\u80fd\u529b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f5c\u4e3a\u4e00\u6b3e\u4e3b\u6253\u7269\u8054\u7f51\u7684\u5f00\u53d1\u677f\uff0cNodeMCU \u7684<strong>\u7f51\u7edc\u901a\u4fe1<\/strong>\u529f\u80fd\u662f\u5176\u6838\u5fc3\u4f18\u52bf\u3002\u65e0\u8bba\u662f\u672c\u5730\u65e0\u7ebf\u8fde\u63a5\u8fd8\u662f\u4e92\u8054\u7f51\u6570\u636e\u4f20\u8f93\uff0cNodeMCU \u90fd\u63d0\u4f9b\u4e86\u5b8c\u5584\u7684\u534f\u8bae\u6808\u652f\u6301\u548c\u63a5\u53e3\u5e93\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>**Wi-Fi \u65e0\u7ebf\u8054\u7f51\uff1a**NodeMCU \u57fa\u4e8e Espressif ESP \u82af\u7247\uff0c\u5185\u7f6e\u5b8c\u6574\u7684 2.4GHz Wi-Fi \u529f\u80fd\uff0c\u652f\u6301 IEEE 802.11 b\/g\/n \u6807\u51c6\u3002\u5b83\u53ef\u4ee5\u5de5\u4f5c\u5728\u00a0<strong>Station\u6a21\u5f0f (STA)<\/strong>\u00a0\u8fde\u63a5\u73b0\u6709 Wi-Fi \u8def\u7531\u5668\uff0c\u6216\u00a0<strong>Soft-AP\u6a21\u5f0f<\/strong>\u00a0\u521b\u5efa\u81ea\u5df1\u7684\u70ed\u70b9\uff0c\u5141\u8bb8\u5176\u4ed6\u8bbe\u5907\u8fde\u63a5\uff0c\u4ea6\u6216\u00a0<strong>STA+AP \u53cc\u6a21<\/strong>\u540c\u65f6\u8fd0\u884c\u3002\u914d\u7f6e Wi-Fi \u975e\u5e38\u7b80\u4fbf\uff1aArduino \u73af\u5883\u53ef\u4f7f\u7528\u00a0<code>WiFi.begin(SSID, PASSWORD)<\/code>\u00a0\u53d1\u8d77\u8fde\u63a5\uff0cLua \u56fa\u4ef6\u4e2d\u5219\u8c03\u7528\u00a0<code>wifi.sta.config()<\/code>\u00a0\u7b49\u3002\u8fde\u63a5\u6210\u529f\u540e\uff0cNodeMCU \u83b7\u53d6\u672c\u5730 IP\uff0c\u4fbf\u53ef\u8fdb\u884c\u540e\u7eed\u7f51\u7edc\u901a\u4fe1\u3002\u5728 AP \u6a21\u5f0f\u4e0b\uff0cNodeMCU \u53ef\u4f5c\u4e3a\u72ec\u7acb\u8bbf\u95ee\u70b9\uff0c\u624b\u673a\/\u7535\u8111\u53ef\u76f4\u63a5\u8fde\u5165\u5b83\u53d1\u5e03\u7684 Wi-Fi\u7f51\u7edc\u8fdb\u884c\u672c\u5730\u63a7\u5236\uff0c\u8fd9\u5e38\u7528\u4e8e\u65e0\u4eba\u673a\u3001\u4f20\u611f\u7f51\u7edc\u7684\u73b0\u573a\u76f4\u8fde\u3002\u503c\u5f97\u4e00\u63d0\u7684\u662f\uff0cNodeMCU \u8fd8\u652f\u6301\u00a0<strong>SmartConfig \u548c AirKiss \u667a\u914d<\/strong>\uff08\u5fae\u4fe1\u4e00\u952e\u914d\u7f51\uff09\u7b49\u529f\u80fd\uff0c\u53ef\u901a\u8fc7\u624b\u673aApp\u5c06\u8def\u7531\u5668\u5bc6\u7801\u4e0b\u53d1\u7ed9 NodeMCU\uff0c\u5b9e\u73b0\u65e0\u5c4f\u5e55\u8bbe\u5907\u7684\u5feb\u901f\u8054\u7f51\u3002<\/li>\n\n\n\n<li><strong>TCP\/IP \u534f\u8bae\u6808\uff1aNodeMCU \u5185\u7f6e\u8f7b\u91cf\u7ea7 IP \u534f\u8bae\u6808 (<em>lwIP<\/em>)\uff0c\u652f\u6301 TCP\u3001UDP\u3001ICMP \u7b49\u57fa\u672c\u534f\u8bae\u3002\u5f00\u53d1\u8005\u53ef\u4ee5\u5728\u5176\u4e0a\u6784\u5efa\u5404\u79cd\u7f51\u7edc\u5e94\u7528\u3002\u5e38\u7528\u6a21\u5f0f\u662fSocket\u5957\u63a5\u5b57\u901a\u4fe1<\/strong>\uff0c\u65e2\u53ef\u4f5c\u4e3a\u5ba2\u6237\u7aef\u8fde\u63a5\u670d\u52a1\u5668\uff0c\u4e5f\u53ef\u4f5c\u4e3a\u670d\u52a1\u5668\u4fa6\u542c\u7aef\u53e3\u3002\u4ee5 Lua \u56fa\u4ef6\u4e3a\u4f8b\uff0c\u53ef\u4f7f\u7528\u00a0<code>net.createConnection()<\/code>\u00a0\u5efa\u7acb TCP \u8fde\u63a5\uff0c\u6216\u8005\u7528\u00a0<code>net.createServer()<\/code>\u00a0\u521b\u5efa\u76d1\u542c\uff0c\u7136\u540e\u901a\u8fc7\u00a0<code>:send()<\/code>\u00a0\u548c\u56de\u8c03\u51fd\u6570\u5b9e\u73b0\u6570\u636e\u53cc\u5411\u4f20\u8f93\u3002\u5728 Arduino \u4e2d\uff0c\u5219\u53ef\u4f7f\u7528\u00a0<code>WiFiClient<\/code>\u00a0\u548c\u00a0<code>WiFiServer<\/code>\u00a0\u7c7b\u8fbe\u5230\u540c\u6837\u76ee\u7684\u3002NodeMCU \u7684 lwIP \u5b9e\u73b0\u7ecf\u8fc7\u4f18\u5316\uff0c\u80fd\u5728\u8d44\u6e90\u6709\u9650\u4e0b\u5904\u7406\u591a\u5e76\u53d1\u8fde\u63a5\u3002\u4e0d\u8fc7\u8981\u6ce8\u610f\u7684\u662f\uff0c\u7531\u4e8e\u5185\u5b58\u6709\u9650\uff0cESP8266 \u4e00\u6b21\u80fd\u6253\u5f00\u7684 socket \u8fde\u63a5\u6570\u6709\u9650\uff08\u901a\u5e38\u4e0d\u8d85\u8fc75\u4e2a\uff09\uff0cESP32 \u5219\u6709\u6240\u63d0\u9ad8\u3002\u540c\u65f6 NodeMCU \u4e5f\u652f\u6301\u00a0<strong>DNS \u89e3\u6790<\/strong>\u3001DHCP \u529f\u80fd\uff0c\u4f7f\u5176\u53ef\u4ee5\u65b9\u4fbf\u5730\u901a\u8fc7\u57df\u540d\u8bbf\u95ee\u7f51\u7edc\u8d44\u6e90\u3001\u81ea\u52a8\u83b7\u53d6 IP \u7b49\u3002<\/li>\n\n\n\n<li>**HTTP \u534f\u8bae\uff1a**\u4f5c\u4e3a\u5e94\u7528\u5c42\u6700\u5e38\u7528\u7684\u534f\u8bae\uff0cNodeMCU \u53ef\u4ee5\u901a\u8fc7 HTTP \u5b9e\u73b0\u4e0e Web \u670d\u52a1\u7684\u4ea4\u4e92\u3002\u4f8b\u5982\uff0c\u4f5c\u4e3a\u5ba2\u6237\u7aef\uff0c\u5b83\u53ef\u4ee5\u4f7f\u7528 HTTP GET\/POST \u8bf7\u6c42\u83b7\u53d6\u4e91\u7aef\u6570\u636e\u6216\u63d0\u4ea4\u4f20\u611f\u6570\u636e\u3002Lua \u56fa\u4ef6\u5185\u7f6e\u00a0<code>http<\/code>\u00a0\u6a21\u5757\uff0c\u53ef\u4ee5\u76f4\u63a5\u00a0<code>http.get(\"http:\/\/api.example.com\/data\", ..., callback)<\/code>\u00a0\u83b7\u53d6\u7f51\u9875\u54cd\u5e94\u3002Arduino \u5e73\u53f0\u5219\u6709\u00a0<code>&lt;ESP8266HTTPClient.h&gt;<\/code>\u00a0\u5e93\uff0c\u63d0\u4f9b\u00a0<code>http.begin(url)<\/code>\u00a0\u548c\u00a0<code>http.GET()\/POST()<\/code>\u00a0\u65b9\u6cd5\u65b9\u4fbf\u5730\u53d1\u8d77 HTTP \u8bf7\u6c42\u3002\u53cd\u8fc7\u6765\uff0cNodeMCU \u4e5f\u53ef\u4ee5\u4f5c\u4e3a HTTP\u00a0<strong>\u670d\u52a1\u5668<\/strong>\uff0c\u5bf9\u5c40\u57df\u7f51\u6216\u4e92\u8054\u7f51\u8bbe\u5907\u63d0\u4f9b\u670d\u52a1\u3002\u5f00\u53d1\u8005\u53ef\u4ee5\u8bbe\u7f6e NodeMCU \u5728\u6307\u5b9a\u7aef\u53e3\u76d1\u542c HTTP \u8bf7\u6c42\uff0c\u5e76\u8fd4\u56de\u4f20\u611f\u5668\u6570\u636e\u6216\u63a7\u5236\u9875\u9762\u3002\u5b9e\u9645\u4e0a\uff0c\u4e00\u4e2a\u7ecf\u5178\u5e94\u7528\u662f\u8fd0\u884c NodeMCU \u7684\u7b80\u6613 Web Server\uff1a\u901a\u8fc7 AP \u6a21\u5f0f\u521b\u5efa\u70ed\u70b9\uff0c\u624b\u673a\u8fde\u63a5\u540e\u8bbf\u95ee NodeMCU \u63d0\u4f9b\u7684\u7f51\u9875\uff08\u5982\u00a0<code>192.168.4.1<\/code>\uff09\uff0c\u8be5\u7f51\u9875\u4e0a\u6709\u6309\u94ae\u6216\u8868\u5355\uff0c\u53ef\u4ee5\u64cd\u63a7\u677f\u8f7dLED\u6216\u8005\u67e5\u770b\u4f20\u611f\u5668\u8bfb\u6570\u3002\u501f\u52a9 HTML\/JS \u524d\u7aef\u548c NodeMCU \u540e\u7aef\u914d\u5408\uff0c\u53ef\u4ee5\u5b9e\u73b0\u4e00\u4e2a\u5c0f\u578b\u7269\u8054\u7f51 Web \u63a7\u5236\u53f0\u3002<\/li>\n\n\n\n<li><strong>MQTT \u534f\u8bae\uff1aMQTT \u662f\u8f7b\u91cf\u7ea7\u53d1\u5e03\/\u8ba2\u9605\u6d88\u606f\u534f\u8bae\uff0c\u7279\u522b\u9002\u5408\u7269\u8054\u7f51\u8bbe\u5907\u7684\u4f4e\u5e26\u5bbd\u6570\u636e\u4ea4\u6362<\/strong>\u3002NodeMCU \u5bf9 MQTT \u63d0\u4f9b\u826f\u597d\u652f\u6301\uff0c\u5e38\u7528\u4e8e\u8fde\u63a5\u7269\u8054\u7f51\u4e91\u5e73\u53f0\u3002\u4ee5 Arduino \u5f00\u53d1\u4e3a\u4f8b\uff0c\u53ef\u4ee5\u4f7f\u7528 PubSubClient \u5e93\uff0c\u5b9e\u73b0 MQTT \u5ba2\u6237\u7aef\u529f\u80fd\u3002NodeMCU \u8fde\u63a5 MQTT Broker\uff08\u5982\u00a0<em>broker.emqx.io<\/em>\u00a0\u516c\u5171\u670d\u52a1\u5668\uff09\u540e\uff0c\u53ef\u4ee5\u5411\u6307\u5b9a\u4e3b\u9898\u53d1\u5e03\u4f20\u611f\u6570\u636e\uff0c\u4e5f\u53ef\u4ee5\u8ba2\u9605\u4e3b\u9898\u6765\u63a5\u6536\u63a7\u5236\u6307\u4ee4\u3002Lua \u56fa\u4ef6\u4e5f\u6709\u00a0<code>mqtt<\/code>\u00a0\u6a21\u5757\uff0c\u652f\u6301 QoS \u7b49\u53c2\u6570\u914d\u7f6e\u3002\u76f8\u6bd4 HTTP\uff0cMQTT \u66f4\u52a0\u7701\u6d41\u91cf\u4e14\u5b9e\u65f6\u6027\u9ad8\uff0c\u9002\u5408\u9700\u8981\u9891\u7e41\u3001\u5373\u65f6\u901a\u4fe1\u7684\u573a\u666f\u3002\u4f8b\u5982\u591a\u53f0 NodeMCU \u4f20\u611f\u8282\u70b9\u53ef\u5b9a\u65f6\u53d1\u5e03\u6570\u636e\u5230\u540c\u4e00\u4e3b\u9898\uff0c\u7531\u4e91\u7aef\u96c6\u4e2d\u5904\u7406\uff1b\u7528\u6237\u624b\u673a\u5e94\u7528\u901a\u8fc7\u5411\u4e3b\u9898\u53d1\u5e03\u547d\u4ee4\uff0c\u5b9e\u73b0\u5bf9\u8bbe\u5907\u7684\u6279\u91cf\u63a7\u5236\u3002\u7531\u4e8e MQTT \u53ef\u4ee5\u901a\u8fc7 TLS \u52a0\u5bc6\u901a\u4fe1\uff0c\u5b89\u5168\u6027\u4e5f\u6709\u4fdd\u969c\u3002<\/li>\n\n\n\n<li><strong>WebSocket \u5b9e\u65f6\u901a\u4fe1\uff1aWebSocket \u662f\u5efa\u7acb\u5728 TCP \u4e0a\u7684\u5168\u53cc\u5de5\u901a\u4fe1\u534f\u8bae\uff0c\u9002\u5408\u5b9e\u73b0 Web \u524d\u7aef\u4e0e\u8bbe\u5907\u95f4\u7684\u5b9e\u65f6\u53cc\u5411\u4ea4\u4e92<\/strong>\u3002NodeMCU \u53ef\u4ee5\u65e2\u4f5c\u4e3a WebSocket \u670d\u52a1\u5668\uff0c\u4e5f\u80fd\u4f5c\u4e3a\u5ba2\u6237\u7aef\u8fde\u63a5\u73b0\u6709\u670d\u52a1\u5668\u3002\u5728\u5b9e\u9645\u9879\u76ee\u4e2d\uff0c\u4e00\u4e2a\u5e38\u89c1\u7528\u6cd5\u662f NodeMCU \u5f00\u542f WebSocket \u670d\u52a1\u7aef\uff0c\u5e76\u540c\u65f6\u8fd0\u884c\u4e00\u4e2a\u7b80\u6613 HTTP \u670d\u52a1\u5668\u6765\u5206\u53d1\u63a7\u5236\u9875\u9762\u3002\u5ba2\u6237\u7aef\uff08\u5982\u624b\u673a\u6d4f\u89c8\u5668\uff09\u52a0\u8f7d\u8be5\u9875\u9762\u540e\uff0c\u4f1a\u901a\u8fc7 JavaScript \u53d1\u8d77 WebSocket \u8fde\u63a5\u3002\u6b64\u540e\uff0c\u7528\u6237\u5728\u9875\u9762\u4e0a\u8fdb\u884c\u64cd\u4f5c\uff08\u5982\u62d6\u52a8\u6ed1\u5757\u3001\u6309\u6309\u94ae\uff09\uff0c\u901a\u8fc7 WebSocket\u5373\u65f6\u53d1\u9001\u5230 NodeMCU\uff0cNodeMCU \u6536\u5230\u540e\u6267\u884c\u76f8\u5e94\u63a7\u5236\uff08\u5982\u9a71\u52a8\u7535\u673a\u3001\u5207\u6362LED\uff09\u3002\u540c\u65f6 NodeMCU \u4e5f\u53ef\u4ee5\u901a\u8fc7 WebSocket 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\u677f\u4e0a\u4e00\u822c\u6709\u4e00\u4e2a\u7535\u6e90\u6307\u793aLED\uff0c\u4f1a\u6301\u7eed\u6d88\u8017\u7ea61-2mA\u7535\u6d41\uff08\u53ef\u901a\u8fc7\u53bb\u9664\u8be5LED\u6765\u8282\u7701\u7535\u80fd\uff09\u3002\u603b\u4e4b\uff0c\u5728\u8bbe\u8ba1\u4f9b\u7535\u65f6\uff0c\u8981\u4fdd\u8bc1<strong>\u7535\u538b3.3V\u7a33\u5b9a<\/strong>\u4e14<strong>\u77ac\u6001\u54cd\u5e94\u826f\u597d<\/strong>\uff0c\u5fc5\u8981\u65f6\u53ef\u57283.3V\u548cGND\u95f4\u589e\u52a0\u8db3\u591f\u7684\u6ee4\u6ce2\u7535\u5bb9\uff08\u5982100\u00b5F\u7535\u89e3+0.1\u00b5F\u74f7\u7247\uff09\uff0c\u4ee5\u5e73\u6ed1 Wi-Fi \u77ac\u6001\u7535\u6d41\u3002\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u529f\u8017\u6a21\u5f0f\u4e0e\u4f11\u7720\uff1a\u4e3a\u4e86\u9002\u5e94\u7535\u6c60\u4f9b\u7535\u6216\u8282\u80fd\u9700\u6c42\uff0cESP8266\/ESP32 \u82af\u7247\u652f\u6301\u591a\u79cd\u4f4e\u529f\u8017\u6a21\u5f0f\u3002\u5584\u7528\u8fd9\u4e9b\u6a21\u5f0f\uff0c\u53ef\u4ee5\u5927\u5e45\u964d\u4f4e NodeMCU \u7684\u5e73\u5747\u529f\u8017<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Modem-Sleep\uff1a\u4ec5\u5728\u4fdd\u6301 Wi-Fi \u8fde\u63a5\u7684\u7a7a\u95f2\u65f6\u5173\u95ed Wi-Fi \u8c03\u5236\u89e3\u8c03\u5668\uff0c\u82af\u7247\u4e3bCPU\u7ee7\u7eed\u8fd0\u884c\u3002\u8fd9\u9002\u7528\u4e8e\u9700\u8981\u6301\u7eed\u8054\u7f51\u4f46\u5bf9\u65f6\u5ef6\u4e0d\u654f\u611f\u7684\u60c5\u51b5\uff0c\u4f8b\u5982\u6bcf\u9694\u51e0\u767e\u6beb\u79d2\u53d1\u9001\u4e00\u6b21\u6570\u636e\u3002\u76f8\u6bd4\u6b63\u5e38\u6a21\u5f0f\u53ef\u8282\u7701\u4e00\u5b9a\u529f\u8017\u3002<\/li>\n\n\n\n<li>Light-Sleep\uff1a\u9664\u4e86\u5173\u95ed Wi-Fi \u6a21\u5757\u7535\u8def\u5916\uff0c\u8fd8\u6682\u505c CPU \u65f6\u949f\uff0c\u8ba9CPU\u8fdb\u5165\u4f11\u7720\uff0c\u4f46\u4fdd\u7559 RTC \u5b9a\u65f6\u5668\u548c\u90e8\u5206\u5916\u8bbe\u3002\u5728 Light-Sleep \u4e0b\uff0cESP8266 \u4ecd\u53ef\u7ef4\u6301 Wi-Fi \u8fde\u63a5\uff08\u5b9a\u671f\u5524\u9192\u63a5\u6536 Beacon\uff09\uff0c\u4f46\u529f\u8017\u66f4\u4f4e\uff08\u4ec5\u51e0\u5341\u6beb\u5b89\uff09\u3002ESP32 \u7684 Light-Sleep \u5219\u53ef\u4f4e\u81f3 ~0.8mA\u3002<\/li>\n\n\n\n<li>Deep-Sleep\uff1a\u5c06\u7edd\u5927\u90e8\u5206\u82af\u7247\u7535\u8def\u65ad\u7535\uff0c\u4ec5\u4fdd\u7559\u4e00\u4e2a\u8d85\u4f4e\u529f\u8017RTC\u5b9a\u65f6\u5668\u6216\u5916\u90e8\u5524\u9192\u5f15\u811a\u3002\u5f53\u8fdb\u5165\u6df1\u5ea6\u7761\u7720\u65f6\uff0cESP8266 \u7535\u6d41\u53ef\u964d\u81f3\u7ea6\u00a0<strong>20 \u00b5A<\/strong>\u00a0\u7ea7\u522b\uff1bESP32 \u7531\u4e8e\u6709 ULP \u534f\u5904\u7406\u5668\uff0c\u6df1\u7761\u7535\u6d41\u6700\u4f4e\u751a\u81f3\u5728\u00a0<strong>5 \u00b5A<\/strong>\u00a0\u4ee5\u4e0b\u3002\u7136\u800c\u6df1\u7761\u4e2d Wi-Fi \u65ad\u5f00\uff0cSRAM \u6570\u636e\u5c06\u4e22\u5931\uff08ESP32 \u53ef\u914d\u7f6e\u90e8\u5206RTC\u5185\u5b58\u4fdd\u7559\uff09\u3002NodeMCU \u901a\u5e38\u901a\u8fc7\u4ee3\u7801\u8c03\u7528\u00a0<code>ESP.deepSleep(us)<\/code>\u00a0\u8fdb\u5165\u6df1\u7761\u4e00\u6bb5\u65f6\u95f4\uff0c\u5230\u70b9\u540e\u82af\u7247\u81ea\u52a8\u91cd\u542f\u3002\u4e3a\u5b9e\u73b0\u8fd9\u4e2a\u5b9a\u65f6\u5524\u9192\uff0cESP8266 \u786c\u4ef6\u4e0a\u9700\u5c06 GPIO16 (D0) \u8fde\u63a5\u5230 RST \u5f15\u811a\uff08NodeMCU\u677f\u5df2\u710a\u63a5\u8be5\u8fde\u63a5\uff09\uff0c\u8fd9\u6837 RTC \u5b9a\u65f6\u5230\u671f\u65f6\u4f1a\u4ea7\u751f\u590d\u4f4d\u4fe1\u53f7\u5524\u9192\u82af\u7247\u3002\u4e5f\u53ef\u4ee5\u5229\u7528\u5916\u90e8\u6309\u952e\u6216\u4fe1\u53f7\u62c9\u4f4e RST \u6765\u5524\u9192\u82af\u7247\u3002\u6df1\u5ea6\u7761\u7720\u975e\u5e38\u9002\u5408\u00a0<strong>\u7535\u6c60\u4f9b\u7535\u7684\u95f4\u6b47\u5de5\u4f5c\u8bbe\u5907<\/strong>\uff0c\u4f8b\u5982\u6bcf\u969415\u5206\u949f\u6d4b\u4e00\u6b21\u6e29\u5ea6\u5e76\u4e0a\u4f20\uff0c\u7136\u540e\u7ee7\u7eed\u6c89\u7761\u8282\u80fd\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u4e00\u4e2a18650\u9502\u7535\u6c60\u7684 NodeMCU \u4f20\u611f\u8282\u70b9\u53ef\u4ee5\u5de5\u4f5c\u6570\u6708\u4e4b\u4e45\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u9700\u8981\u6ce8\u610f\uff0c\u867d\u7136\u82af\u7247\u6df1\u7761\u529f\u8017\u6781\u4f4e\uff0c\u4f46 NodeMCU \u5f00\u53d1\u677f\u4e0a<strong>USB-UART \u82af\u7247\u548c\u7535\u6e90\u6307\u793a\u706f<\/strong>\u7b49\u4e5f\u4f1a\u8017\u7535\u3002\u4f8b\u5982 CP2102 \u8f6c\u4e32\u82af\u7247\u5728\u7a7a\u95f2\u65f6\u53ef\u80fd\u6d88\u8017\u6570\u6beb\u5b89\u7535\u6d41\uff0c\u5f71\u54cd\u6574\u4f53\u4f11\u7720\u529f\u8017\u3002\u5982\u679c\u4ee5\u6781\u4f4e\u529f\u8017\u4e3a\u76ee\u6807\uff0c\u53ef\u4ee5\u91c7\u53d6\u63aa\u65bd\u5982\u65ad\u5f00 USB \u82af\u7247\u7535\u6e90\u3001\u53bb\u6389\u6307\u793a\u706f\uff0c\u6216\u5e72\u8106\u4f7f\u7528\u88f8\u9732\u7684 ESP8266 \u6a21\u5757+\u81ea\u5236\u7535\u6e90\u7535\u8def\u6765\u4ee3\u66ff\u5f00\u53d1\u677f\u3002&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">**\u52a8\u6001\u529f\u8017\u4f18\u5316\uff1a**\u9664\u4e86\u7761\u7720\u6a21\u5f0f\uff0cNodeMCU \u8fd0\u884c\u65f6\u4e5f\u6709\u4e00\u4e9b\u6280\u5de7\u53ef\u964d\u4f4e\u529f\u8017\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5229\u7528\u00a0<strong>WiFi\u7684\u81ea\u52a8\u7701\u7535\u6a21\u5f0f (Power Save, DTIM)<\/strong>\uff1aStation\u6a21\u5f0f\u4e0b\u53ef\u8bbe\u7f6e\u00a0<code>WiFi.setSleepMode(MODEM_SLEEP_T)<\/code>\uff0c\u82af\u7247\u4f1a\u5728\u8def\u7531\u5668 Beacon \u95f4\u9694\u4e2d\u8fdb\u5165\u77ed\u6682\u4f11\u7720\uff0c\u6574\u4f53\u7701\u7535\uff0c\u4ee3\u4ef7\u662f\u63a5\u6536\u4e0b\u884c\u6570\u636e\u6709\u7a0d\u8bb8\u5ef6\u8fdf\u3002\u8fd9\u4e2a\u6a21\u5f0f\u7279\u522b\u5728ESP8266\u4e0a\u6709\u6548\uff0c\u53ef\u51cf\u5c11\u95f2\u7f6e\u65f6\u7684\u8017\u7535\u3002<\/li>\n\n\n\n<li>**\u9891\u7387\u8c03\u8282\uff1a**ESP8266 \u652f\u6301\u5728 80MHz \u548c 160MHz \u9891\u7387\u95f4\u5207\u6362\uff0cESP32 \u5219\u652f\u6301\u52a8\u6001\u8c03\u6574\u4e3b\u9891\uff0880\u2013240MHz\uff09\u751a\u81f3\u81ea\u52a8\u65f6\u949f\u95e8\u63a7\u95f2\u7f6e\u7684 CPU\u3002\u5982\u679c\u4efb\u52a1\u5bf9\u6027\u80fd\u8981\u6c42\u4e0d\u9ad8\uff0c\u53ef\u4ee5\u9501\u5b9a\u8f83\u4f4e\u9891\u7387\u8fd0\u884c\uff0c\u4ee5\u8282\u7701\u8017\u7535\u548c\u53d1\u70ed\u3002<\/li>\n\n\n\n<li>**\u5916\u8bbe\u7701\u7535\uff1a**\u4e0d\u4f7f\u7528\u7684\u5916\u8bbe\u53ef\u5173\u6389\uff0c\u4f8b\u5982\u5173\u95ed Wi-Fi \u540e\u7f6e PA \u589e\u76ca\u3001\u505c\u6b62 ADC \u6a21\u5757\u7b49\u3002ESP32 \u66f4\u53ef\u9488\u5bf9\u84dd\u7259\u3001WiFi \u5206\u65f6\u542f\u505c\u3002\u5728\u4f20\u611f\u8282\u70b9\u573a\u666f\uff0c\u53ef\u4ee5\u8ba9 NodeMCU \u5927\u90e8\u5206\u65f6\u95f4 Wi-Fi \u5173\u95ed\uff0c\u4ec5\u5728\u9700\u8981\u53d1\u9001\u6570\u636e\u65f6\u542f\u7528\u3002<\/li>\n\n\n\n<li>**\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u8fd0\u7b97\u548c\u901a\u4fe1\uff1a**\u91c7\u7528\u4e8b\u4ef6\u9a71\u52a8\u6216\u4e2d\u65ad\u800c\u975e\u8f6e\u8be2\u67e5\u8be2\u4f20\u611f\u5668\uff0c\u53ef\u4ee5\u8ba9 CPU \u66f4\u591a\u65f6\u95f4\u8fdb\u5165 IDLE \u4f4e\u529f\u8017\u72b6\u6001\u3002\u6279\u91cf\u53d1\u9001\u6570\u636e\u66ff\u4ee3\u9891\u7e41\u5c0f\u5305\u53d1\u9001\uff0c\u4ee5\u51cf\u5c11\u65e0\u7ebf\u5524\u9192\u6b21\u6570\u7b49\uff0c\u4e5f\u6709\u52a9\u4e8e\u964d\u4f4e\u5e73\u5747\u529f\u8017\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u603b\u7684\u6765\u8bf4\uff0cNodeMCU \u53ef\u901a\u8fc7\u8f6f\u786c\u7ed3\u5408\u7684\u65b9\u6cd5\u4ece<strong>\u666e\u901a\u7684\u6570\u767e\u6beb\u5b89\u8fd0\u884c\u7535\u6d41\u964d\u4f4e\u5230\u5fae\u5b89\u7ea7\u4f11\u7720\u7535\u6d41<\/strong>\u3002\u5f00\u53d1\u8005\u5e94\u6839\u636e\u5e94\u7528\u9700\u6c42\u51b3\u5b9a\u53d6\u820d\uff1a\u82e5\u6301\u7eed\u4f9b\u7535\u573a\u666f\uff0c\u5219\u4fa7\u91cd\u7a33\u5b9a\u548c\u6027\u80fd\uff1b\u82e5\u7535\u6c60\u573a\u666f\uff0c\u5219\u5c3d\u91cf\u5229\u7528\u6df1\u7720\u548c\u7701\u7535\u6280\u5de7\u3002\u4f8b\u5982\uff0c\u4e00\u4e2a\u5178\u578b\u7684\u5ba4\u5916\u73af\u5883\u76d1\u6d4b\u8282\u70b9\uff0c\u6bcf\u5c0f\u65f6\u5de5\u4f5c5\u79d2\u4e0a\u4f20\u4e00\u6b21\u6570\u636e\uff0c\u5176\u5e73\u5747\u529f\u8017\u53ef\u4f4e\u4e8e1mA\uff0c\u4f7f\u7528\u4e24\u8282AA\u7535\u6c60\u5373\u53ef\u8fd0\u884c\u534a\u5e74\u4ee5\u4e0a\u3002\u8fd9\u5145\u5206\u4f53\u73b0\u4e86 NodeMCU \u5728\u529f\u8017\u7ba1\u7406\u4e0a\u7684\u6f5c\u529b\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5b89\u5168\u6027\u673a\u5236<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u7269\u8054\u7f51\u8bbe\u5907\u7684\u5b89\u5168\u6027\u975e\u5e38\u91cd\u8981\uff0cNodeMCU \u5728\u8f6f\u786c\u4ef6\u4e0a\u63d0\u4f9b\u4e86\u4e00\u5b9a\u7684\u673a\u5236\u6765\u4fdd\u969c\u8bbe\u5907\u548c\u901a\u4fe1\u5b89\u5168\uff0c\u5305\u62ec\u56fa\u4ef6\u66f4\u65b0\u7684\u5b89\u5168\u4ea4\u4ed8\u3001\u901a\u4fe1\u6570\u636e\u52a0\u5bc6\u7b49\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u56fa\u4ef6\u5347\u7ea7\u4e0e OTA\uff1aNodeMCU \u652f\u6301\u901a\u8fc7\u7a7a\u4e2d\u4e0b\u8f7d\uff08OTA, Over-The-Air\uff09\u8fdb\u884c\u56fa\u4ef6\u66f4\u65b0\uff0c\u8fd9\u5bf9\u4e8e\u90e8\u7f72\u5728\u8fdc\u7aef\u7684\u8bbe\u5907\u5c24\u4e3a\u5173\u952e\u3002ESP8266 \u7684 NodeMCU \u56fa\u4ef6\u548c Arduino \u5e94\u7528\u90fd\u53ef\u4ee5\u5229\u7528 Flash \u5206\u533a\u673a\u5236\u4fdd\u5b58\u65b0\u56fa\u4ef6\u5e76\u5207\u6362\u542f\u52a8\u3002\u4f8b\u5982 Arduino \u63d0\u4f9b\u4e86\u00a0<em>ArduinoOTA<\/em>\u00a0\u5e93\uff0c\u4f7f\u5f00\u53d1\u8005\u53ef\u4ee5\u5728 Wi-Fi \u7f51\u7edc\u5185\u65e0\u7ebf\u70e7\u5f55\u7a0b\u5e8f\uff0c\u65e0\u9700\u7269\u7406\u8fde\u63a5USB\u3002ESP32 \u5219\u6709\u66f4\u5b8c\u5584\u7684 OTA \u652f\u6301\uff08\u53cc\u5206\u533a + OTA\u5206\u533a\uff09\uff0c\u5e76\u5728\u786c\u4ef6\u4e0a\u96c6\u6210\u7b7e\u540d\u6821\u9a8c\u548c\u52a0\u5bc6\u529f\u80fd\u3002NodeMCU Lua \u56fa\u4ef6\u672c\u8eab\u4e5f\u5b9e\u73b0\u4e86\u8fdc\u7a0b\u56fa\u4ef6\u66f4\u65b0\u7684\u529f\u80fd\uff0c\u6bd4\u5982\u53ef\u4ee5\u901a\u8fc7 HTTP \u5c06\u65b0\u56fa\u4ef6\u70e7\u5f55\u5230\u8bbe\u5907\u6307\u5b9a\u5730\u5740\uff0c\u7136\u540e\u91cd\u542f\u5207\u6362\u3002\u4e3a\u4e86\u5b89\u5168\uff0cESP32 OTA \u8fd8\u652f\u6301\u56fa\u4ef6\u52a0\u5bc6<\/strong>\u548c<strong>\u6570\u5b57\u7b7e\u540d\u9a8c\u8bc1<\/strong>\u2014\u2014\u53ea\u6709\u7ecf\u8fc7\u6388\u6743\u7b7e\u540d\u7684\u56fa\u4ef6\u624d\u80fd\u88ab\u8bbe\u5907\u63a5\u53d7\uff0c\u4ece\u800c\u9632\u6b62\u6076\u610f\u7be1\u6539\u3002\u8fd9\u4e9b\u673a\u5236\u4fdd\u8bc1\u4e86 NodeMCU \u8bbe\u5907\u5728\u73b0\u573a\u8fd0\u884c\u65f6\uff0c\u5f00\u53d1\u8005\u80fd\u591f<strong>\u5b89\u5168\u5730\u63a8\u9001\u5347\u7ea7<\/strong>\u4fee\u590d\u6f0f\u6d1e\u3001\u6dfb\u52a0\u529f\u80fd\uff0c\u800c\u4e0d\u4f1a\u88ab\u7b2c\u4e09\u65b9\u52ab\u6301\u66f4\u65b0\u6d41\u7a0b\u3002<\/li>\n\n\n\n<li><strong>\u901a\u4fe1\u52a0\u5bc6 (TLS\/SSL)\uff1a\u5728\u5f00\u653e\u7684\u7f51\u7edc\u73af\u5883\u4e2d\uff0c\u660e\u6587\u4f20\u8f93\u6570\u636e\u5b58\u5728\u88ab\u7a83\u542c\u548c\u7be1\u6539\u7684\u98ce\u9669\u3002NodeMCU \u7684\u7f51\u7edc\u5e93\u51e0\u4e4e\u90fd\u652f\u6301\u57fa\u4e8e TLS \u7684\u5b89\u5168\u8fde\u63a5\u3002\u4f8b\u5982\uff0c\u901a\u8fc7 HTTPS \u8fdb\u884c Web API \u8c03\u7528\uff0cMQTT \u652f\u6301 SSL\/TLS \u52a0\u5bc6\u8fde\u63a5\u6307\u5b9a\u7aef\u53e3\uff08\u901a\u5e388883\uff09\uff0cWebSocket \u4e5f\u6709\u52a0\u5bc6\u7248\u672c (wss:\/\/)\u3002ESP8266 \u7531\u4e8e\u786c\u4ef6\u8d44\u6e90\u6709\u9650\uff0c\u4f7f\u7528\u7684\u662f\u8f6f\u4ef6 TLS \u5e93\uff08\u5982 axTLS \u6216 BearSSL\uff09\uff0c\u540c\u65f6\u53d7\u9650\u4e8e\u5185\u5b58\uff0c\u53ea\u652f\u6301\u90e8\u5206\u52a0\u5bc6\u5957\u4ef6\u548c\u8f83\u5c0f\u7684\u8bc1\u4e66\u3002\u5c3d\u7ba1\u5982\u6b64\uff0c\u5728 Arduino \u548c Lua \u4e2d\u4f7f\u7528 HTTPS \u8bf7\u6c42\u5df2\u7ecf\u8f83\u4e3a\u5e38\u89c1\uff0c\u53ea\u9700\u6ce8\u610f ESP8266 \u4e0a TLS \u63e1\u624b\u53ef\u80fd\u8f83\u6162\u4e14\u5360\u7528\u5185\u5b58\u7ea620KB\u4ee5\u4e0a\u3002ESP32 \u5219\u96c6\u6210\u4e86\u786c\u4ef6\u52a0\u901f\u7684 TLS 1.2 \u5f15\u64ce<\/strong>\uff0c\u80fd\u591f\u66f4\u9ad8\u6548\u5730\u5b8c\u6210\u52a0\u89e3\u5bc6\u8fd0\u7b97\u3002\u5f00\u53d1\u8005\u53ef\u4ee5\u65b9\u4fbf\u5730\u4f7f\u7528 mbedTLS\uff08ESP-IDF \u9ed8\u8ba4\u5e93\uff09\u6216 Arduino\u81ea\u5e26\u7684 WiFiClientSecure \u7c7b\uff0c\u5b9e\u73b0\u4e0e\u670d\u52a1\u5668\u7684\u53cc\u5411\u52a0\u5bc6\u8ba4\u8bc1\u3002\u8fd9\u6837\uff0c\u65e0\u8bba\u662f\u8bbe\u5907\u4e0a\u4f20\u4f20\u611f\u6570\u636e\uff0c\u8fd8\u662f\u63a5\u6536\u63a7\u5236\u6307\u4ee4\uff0c\u90fd\u53ef\u4ee5\u6709\u94f6\u884c\u7ea7\u522b\u7684\u5b89\u5168\u4fdd\u969c\u3002<\/li>\n\n\n\n<li><strong>\u8eab\u4efd\u8ba4\u8bc1\u4e0e\u8bbf\u95ee\u63a7\u5236\uff1a\u4e3a\u4e86\u9632\u6b62\u672a\u7ecf\u6388\u6743\u7684\u8bbf\u95ee\uff0cNodeMCU \u53ef\u4ee5\u5b9e\u73b0\u591a\u79cd\u8ba4\u8bc1\u673a\u5236\u3002\u4f8b\u5982\uff0c\u5728\u5e94\u7528\u5c42\u4f7f\u7528API\u5bc6\u94a5<\/strong>\u6216 token \u9a8c\u8bc1\u5ba2\u6237\u7aef\u8bf7\u6c42\uff1bMQTT \u53ef\u4ee5\u4e3a\u6bcf\u4e2a\u8282\u70b9\u8bbe\u7f6e\u552f\u4e00\u7684\u7528\u6237\u540d\/\u5bc6\u7801\uff1bHTTP \u670d\u52a1\u5668\u53ef\u5b9e\u73b0\u7b80\u5355\u7684 Basic Auth \u6216 Session \u767b\u5f55\u3002\u540c\u65f6\uff0cESP8266\/ESP32 Wi-Fi \u90e8\u5206\u4e5f\u652f\u6301\u00a0<strong>WPA2-Enterprise<\/strong>\u00a0\u4f01\u4e1a\u7ea7\u52a0\u5bc6\u3001EAP \u65b9\u6cd5\u7b49\uff0c\u53ef\u63a5\u5165\u66f4\u5b89\u5168\u7684 Wi-Fi \u7f51\u7edc\u73af\u5883\u3002\u5bf9\u4e8e\u672c\u5730\u901a\u4fe1\uff0c\u8fd8\u53ef\u4ee5\u5e94\u7528\u81ea\u5b9a\u4e49\u7684\u52a0\u5bc6\u7b97\u6cd5\u6216\u786c\u4ef6\u53ef\u4fe1\u6a21\u5757\uff08\u53ef\u901a\u8fc7 I2C\/SPI \u63a5\u5165\uff0c\u5982 Atmel ATECC608A \u5b89\u5168\u82af\u7247\uff09\u50a8\u5b58\u5bc6\u94a5\u3001\u6267\u884c\u63e1\u624b\u3002\u5982\u679c NodeMCU \u8bbe\u5907\u672c\u8eab\u6709\u63a7\u5236\u654f\u611f\u64cd\u4f5c\u7684\u529f\u80fd\uff08\u5982\u95e8\u9501\u3001\u5b89\u9632\uff09\uff0c\u5efa\u8bae\u5b9e\u73b0<strong>\u53cc\u5411\u8ba4\u8bc1<\/strong>\u548c<strong>\u52a0\u5bc6\u901a\u9053<\/strong>\uff0c\u5e76\u5728\u4e91\u7aef\u5bf9\u8bbe\u5907\u8fdb\u884c\u552f\u4e00\u6ce8\u518c\u7ed1\u5b9a\uff0c\u907f\u514d\u8bbe\u5907\u88ab\u5047\u5192\u6216\u63a7\u5236\u6307\u4ee4\u88ab\u4f2a\u9020\u3002<\/li>\n\n\n\n<li><strong>\u8fd0\u884c\u5b89\u5168\u548c\u9632\u62a4\uff1aEspressif \u5728 ESP32 \u4e2d\u5f15\u5165\u4e86\u5b89\u5168\u542f\u52a8 Secure Boot<\/strong>\u548c<strong>\u95ea\u5b58\u52a0\u5bc6<\/strong>\u529f\u80fd\uff08ESP8266\u4e0d\u652f\u6301\uff09\u3002Secure Boot \u786e\u4fdd\u8bbe\u5907\u53ea\u80fd\u8fd0\u884c\u7ecf\u8fc7\u7b7e\u540d\u6388\u6743\u7684\u56fa\u4ef6\uff0c\u9632\u6b62\u690d\u5165\u540e\u95e8\u56fa\u4ef6\uff1bFlash \u52a0\u5bc6\u5219\u81ea\u52a8\u52a0\u5bc6\u5b58\u50a8\u5728\u95ea\u5b58\u4e2d\u7684\u7a0b\u5e8f\u548c\u654f\u611f\u6570\u636e\uff0c\u9632\u6b62\u7269\u7406\u8bfb\u53d6\u3002\u867d\u7136\u8fd9\u4e9b\u529f\u80fd\u5728\u5f00\u53d1\u677f\u9636\u6bb5\u8f83\u5c11\u542f\u7528\uff0c\u4f46\u5bf9\u4e8e\u4ea7\u54c1\u91cf\u4ea7\uff0c\u53ef\u4ee5\u70e7\u5f55\u65f6\u5439\u7194\u4e1d\u9501\u5b9a\uff0c\u589e\u5f3a\u5b89\u5168\u7b49\u7ea7\u3002\u6b64\u5916\uff0cNodeMCU \u5f00\u6e90\u56fa\u4ef6\u793e\u533a\u4e5f\u5728\u6301\u7eed\u4fee\u8865\u5df2\u77e5\u6f0f\u6d1e\u3001\u4f18\u5316 TLS \u5e93\u3002\u4f5c\u4e3a\u5f00\u53d1\u8005\uff0c\u5e94\u5173\u6ce8 NodeMCU \u7684\u56fa\u4ef6\u66f4\u65b0\u65e5\u5fd7\uff0c\u53ca\u65f6\u5347\u7ea7\u4ee5\u83b7\u5f97\u5b89\u5168\u8865\u4e01\u3002<\/li>\n\n\n\n<li><strong>\u7f51\u7edc\u5b89\u5168\u5b9e\u8df5\uff1a\u9664\u4e86\u6280\u672f\u673a\u5236\uff0c\u826f\u597d\u7684\u5b89\u5168\u5b9e\u8df5\u540c\u6837\u91cd\u8981\u3002\u4f8b\u5982\uff0c\u4e0d\u8981\u5728\u4ee3\u7801\u4e2d\u660e\u6587\u5199\u5165 Wi-Fi \u5bc6\u7801\u3001API \u5bc6\u94a5\u7b49\uff0c\u53ef\u4ee5\u5b58\u50a8\u5728 flash \u52a0\u5bc6\u5206\u533a\u6216\u901a\u8fc7\u5b89\u5168OTA\u4e0b\u53d1\uff1b\u5bf9\u63a5\u6536\u7684\u4efb\u4f55\u7f51\u7edc\u6570\u636e\u505a\u597d\u6821\u9a8c\uff08\u957f\u5ea6\u3001\u683c\u5f0f\uff09\u4ee5\u9632\u6b62\u7f13\u51b2\u533a\u6ea2\u51fa\u7b49\u6f0f\u6d1e\uff1b\u5bf9\u4e8e\u63a7\u5236\u7c7b\u64cd\u4f5c\u52a0\u5165\u5197\u4f59\u9a8c\u8bc1<\/strong>\uff08\u5982\u8981\u6c42\u591a\u6b21\u786e\u8ba4\u3001\u9650\u9891\u7b49\uff09\u9632\u6b62\u8bef\u89e6\u6216\u6076\u610f\u5237\u5c4f\u3002\u7531\u4e8e NodeMCU \u8bbe\u5907\u7b97\u529b\u6709\u9650\uff0c\u4e0d\u9002\u5408\u8fd0\u884c\u590d\u6742\u7684\u9632\u706b\u5899\uff0c\u4f46\u53ef\u4ee5\u5229\u7528\u4e91\u7aef\u670d\u52a1\u6765\u505a\u5b89\u5168\u6258\u7ba1\uff0c\u4f8b\u5982\u6240\u6709\u6307\u4ee4\u5148\u7ecf\u8fc7\u4e91\u7aef\u9a8c\u8bc1\uff0c\u7136\u540e\u518d\u4e0b\u53d1\u5230\u8bbe\u5907\u6267\u884c\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6982\u800c\u8a00\u4e4b\uff0cNodeMCU \u5df2\u5177\u5907\u4ece\u4f20\u8f93\u5c42\u5230\u56fa\u4ef6\u5c42\u4e00\u5b9a\u7684\u5b89\u5168\u652f\u6301\uff0c\u4f46\u6700\u7ec8\u5b89\u5168\u6027\u4e5f\u53d6\u51b3\u4e8e\u5f00\u53d1\u8005\u7684\u8bbe\u8ba1\u3002\u5728\u7269\u8054\u7f51\u5e94\u7528\u6f2b\u5929\u7684\u65f6\u4ee3\uff0c\u4fdd\u969c\u8bbe\u5907\u548c\u7528\u6237\u6570\u636e\u5b89\u5168\u9700\u8981\u7efc\u5408\u8003\u8651\u3002\u5e78\u8fd0\u7684\u662f\uff0c\u5305\u62ec TLS \u52a0\u5bc6\u3001OTA\u7b7e\u540d\u5728\u5185\u7684\u5b89\u5168\u529f\u80fd\u73b0\u5728\u51e0\u4e4e<strong>\u5f00\u7bb1\u5373\u7528<\/strong>\uff0c\u964d\u4f4e\u4e86\u5f00\u53d1\u95e8\u69db\u3002\u5f00\u53d1\u8005\u5e94\u5145\u5206\u5229\u7528\u8fd9\u4e9b\u5de5\u5177\uff0c\u4e3a NodeMCU \u9879\u76ee\u6784\u7b51\u575a\u5b9e\u7684\u5b89\u5168\u5821\u5792\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e0e\u5176\u4ed6\u5f00\u53d1\u677f\u7684\u5bf9\u6bd4<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u7269\u8054\u7f51\u548c\u5d4c\u5165\u5f0f\u9886\u57df\u5f00\u53d1\u677f\u4f17\u591a\uff0cNodeMCU \u5e38\u88ab\u62ff\u6765\u4e0e\u4e00\u4e9b\u4e3b\u6d41\u5f00\u53d1\u677f\u8fdb\u884c\u6bd4\u8f83\u3002\u5176\u4e2d\u5177\u6709\u4ee3\u8868\u6027\u7684\u662f Raspberry Pi Pico \u548c Arduino Uno\uff0c\u5b83\u4eec\u5728\u5b9a\u4f4d\u548c\u529f\u80fd\u4e0a\u5404\u6709\u7279\u70b9\u3002\u4e0b\u9762\u4ece\u786c\u4ef6\u6027\u80fd\u3001\u7f51\u7edc\u80fd\u529b\u3001\u6613\u7528\u6027\u7b49\u65b9\u9762\u5c06 NodeMCU \u4e0e\u8fd9\u4e24\u8005\u8fdb\u884c\u5bf9\u6bd4\u3002&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>1. NodeMCU vs Arduino Uno\uff1aArduino Uno \u662f\u7ecf\u5178\u76848\u4f4d\u5fae\u63a7\u5236\u5668\u5f00\u53d1\u677f\uff0c\u800c NodeMCU \u5219\u662f\u73b0\u4ee332\u4f4d\u8054\u7f51\u5f00\u53d1\u677f\uff0c\u4e24\u8005\u5dee\u5f02\u663e\u8457\u3002Arduino Uno\u57fa\u4e8e ATmega328P MCU\uff0c\u4e3b\u9891\u4ec5 16 MHz\uff0cCPU\u6027\u80fd\u8fdc\u4e0d\u53ca NodeMCU \u7684 80+ MHz\u3002Uno \u5185\u5b58\u4e5f\u975e\u5e38\u6709\u9650\uff082KB SRAM\uff0c32KB Flash\uff09\uff0c\u65e0\u6cd5\u8fd0\u884c\u590d\u6742\u7a0b\u5e8f\u6216\u5b58\u50a8\u5927\u91cf\u6570\u636e\uff0c\u800c NodeMCU \u62e5\u6709\u6570\u5341\u5230\u6570\u767eKB\u7684 SRAM \u548c4MB Flash\uff0c\u80fd\u591f\u5904\u7406\u66f4\u590d\u6742\u7684\u903b\u8f91\u548c\u7f13\u5b58\u66f4\u591a\u6570\u636e\u3002\u540c\u65f6\u6700\u660e\u663e\u7684\u533a\u522b<\/strong>\u5728\u4e8e\u7f51\u7edc\u529f\u80fd\uff1aArduino Uno\u00a0<strong>\u4e0d\u5177\u5907\u4efb\u4f55\u7f51\u7edc\u63a5\u53e3<\/strong>\uff0c\u82e5\u9700\u8054\u7f51\u9700\u501f\u52a9\u4ee5\u592a\u7f51Shield\u6216ESP8266\u6a21\u5757\uff1bNodeMCU \u5219\u5185\u7f6e Wi-Fi\uff08ESP32 \u66f4\u6709\u84dd\u7259\uff09\uff0c\u53ef\u4ee5\u76f4\u63a5\u8fde\u63a5\u65e0\u7ebf\u7f51\u7edc\uff0c\u5b9e\u73b0\u4e92\u8054\u7f51\u901a\u4fe1\u3002\u5728\u5f15\u811a\u8d44\u6e90\u4e0a\uff0cUno\u670914\u4e2a\u6570\u5b57IO\u548c6\u4e2a\u6a21\u62df\u8f93\u5165\uff0c\u5927\u90e8\u52065V\u7535\u5e73\u517c\u5bb9\uff0c\u8fd9\u5bf9\u4f20\u7edf\u4f20\u611f\u5668\uff08\u5f88\u591a\u662f5V\uff09\u8f83\u53cb\u597d\uff1bNodeMCU \u5f15\u811a\u867d\u591a\u8fbe17\u4e2a\u6570\u5b57\u4f46\u53ea\u67091\u4e2a\u6a21\u62df\uff08ESP8266\u7248\uff09\uff0c\u7535\u5e73\u4e3a3.3V\uff0c\u9700\u8981\u6ce8\u610f\u4e0e5V\u5668\u4ef6\u7684\u517c\u5bb9\u6027\u3002\u4e0d\u8fc7 NodeMCU \u53ef\u901a\u8fc7\u6269\u5c55ADC\u3001IO\u6269\u5c55\u82af\u7247\u5f25\u8865\uff0c\u5f15\u811a\u5c40\u9650\u901a\u5e38\u4e0d\u662f\u5927\u95ee\u9898\u3002Arduino Uno \u7684\u4f18\u52bf\u5728\u4e8e<strong>\u7b80\u5355\u7a33\u5b9a<\/strong>\uff0c\u9002\u5408\u521d\u5b66\u8005\u5165\u95e8\u548c\u5bf9\u5b9e\u65f6\u6027\u8981\u6c42\u9ad8\u7684\u5c0f\u578b\u9879\u76ee\uff088\u4f4d\u5355\u7247\u673a\u7684\u4e2d\u65ad\u54cd\u5e94\u5feb\u4e8eWiFi\u82af\u7247\u5904\u7406\u7f51\u7edc\u6808\uff09\u3002\u800c NodeMCU \u66f4\u9002\u5408\u7269\u8054\u7f51\u548c\u9700\u8981\u8054\u7f51\u7684\u5e94\u7528\u3002\u53ef\u4ee5\u8fd9\u6837\u7406\u89e3\uff1a\u5982\u679c\u9879\u76ee\u9700\u8981\u4e0e\u7f51\u7edc\u4ea4\u4e92\uff0cNodeMCU\u80fd\u5728\u4e00\u4e2a\u677f\u4e0a\u5b8c\u6210\u6240\u6709\u4efb\u52a1\uff1b\u800c Arduino Uno \u5219\u53ef\u80fd\u9700\u8981\u989d\u5916\u6a21\u5757\u914d\u5408\uff0c\u5f00\u53d1\u590d\u6742\u5ea6\u548c\u6210\u672c\u90fd\u4f1a\u4e0a\u5347\u3002\u56e0\u6b64\u5bf9\u4e8e\u5927\u591a\u6570IoT\u521b\u610f\u9879\u76ee\uff0cNodeMCU \u4ee5<strong>\u66f4\u9ad8\u6027\u80fd<\/strong>\u548c<strong>\u5f00\u7bb1\u5373\u8fde\u7f51<\/strong>\u7684\u4f18\u52bf\uff0c\u6b63\u9010\u6e10\u53d6\u4ee3 Uno \u6210\u4e3a\u66f4\u53d7\u6b22\u8fce\u7684\u9009\u62e9\u3002\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>2. NodeMCU vs Raspberry Pi Pico\uff1aRaspberry Pi Pico \u662f\u6811\u8393\u6d3e\u57fa\u91d1\u4f1a\u63a8\u51fa\u7684\u4f4e\u6210\u672c\u3001\u9ad8\u6027\u80fd\u5fae\u63a7\u5236\u5668\u677f\uff0c\u642d\u8f7d\u81ea\u7814\u7684 RP2040 \u82af\u7247\uff08\u53cc\u6838 ARM Cortex-M0+ @ 133MHz\uff09\u3002\u4e0e NodeMCU \u76f8\u6bd4\uff0cPico \u6709\u4e00\u4e9b\u9c9c\u660e\u7684\u4e0d\u540c\u3002\u9996\u5148\uff0c\u5904\u7406\u6027\u80fd\u65b9\u9762\uff1aRP2040 \u53cc\u6838\u67b6\u6784\u5728\u591a\u4efb\u52a1\u8ba1\u7b97\u4e0a\u5360\u4f18\uff0c\u8fd0\u884c\u901f\u5ea6\u4e5f\u5f88\u5feb\uff0c\u67d0\u4e9b\u8fd0\u7b97\u5bc6\u96c6\u578b\u4efb\u52a1\u4e0b Pico \u53ef\u80fd\u66f4\u80dc\u4e00\u7b79\u3002\u4e0d\u8fc7 NodeMCU ESP32 \u4e5f\u662f\u53cc\u6838\uff0c\u4e3b\u9891\u66f4\u9ad8\uff08240MHz\uff09\uff0c\u56e0\u6b64\u5728CPU\u6027\u80fd\u4e0a ESP32 NodeMCU \u4f9d\u7136\u9886\u5148 Pico\uff0c\u4e00\u822c\u903b\u8f91\u63a7\u5236\u4e8c\u8005\u90fd\u7ef0\u7ef0\u6709\u4f59\u3002\u5185\u5b58\u65b9\u9762\uff0cPico \u5e26\u6709 264KB SRAM \u548c 2MB Flash\uff1bNodeMCU ESP8266\u7565\u5c11\uff08~50KB+4MB\uff09\uff0cESP32\u5219\u5927\u4e8e Pico\uff08520KB+4MB\uff09\u3002Pico \u7684\u7a81\u51fa\u7279\u70b9\u5728\u4e8e\u4e30\u5bcc\u7684\u6a21\u62df\u548c\u6570\u5b57\u5916\u8bbe<\/strong>\uff1a\u5b83\u6709<strong>3\u8def12\u4f4d ADC<\/strong>\uff08\u8fd8\u6709\u5185\u90e8\u6e29\u5ea6\u4f20\u611f\u5668\uff09\u548c 26 \u4e2a\u53ef\u7528GPIO\uff0c\u5e76\u5305\u542b\u72ec\u7279\u7684 PIO\uff08\u53ef\u7f16\u7a0bIO\u6a21\u5757\uff09\u7528\u4e8e\u5b9e\u73b0\u81ea\u5b9a\u4e49\u901a\u4fe1\u534f\u8bae\u3002NodeMCU(ESP8266)\u6a21\u62df\u80fd\u529b\u5f31\uff0c\u4ec51\u8defADC\u4e14\u65e0\u5185\u90e8\u6e29\u5ea6\u4f20\u611f\u5668\u3002\u56e0\u6b64\u5728\u9700\u591a\u4e2a\u6a21\u62df\u91cf\u91c7\u96c6\u6216\u81ea\u5b9a\u4e49\u65f6\u5e8f\u4fe1\u53f7\u573a\u666f\uff0cPico \u66f4\u6709\u4f18\u52bf\u3002<strong>\u7f51\u7edc\u901a\u4fe1<\/strong>\u5219\u662f Pico \u7684\u77ed\u677f\uff1a\u539f\u7248 Pico \u65e0\u65e0\u7ebf\u529f\u80fd\uff0c\u8fd9\u610f\u5473\u7740<strong>\u4e0d\u80fd\u76f4\u63a5\u8054\u7f51<\/strong>\u3002\u867d\u7136\u6709 Pico W \u578b\u53f7\u589e\u52a0\u4e86Wi-Fi\uff08\u901a\u8fc7\u72ec\u7acb\u7684ESP\u6a21\u5757\uff09\uff0c\u4f46 NodeMCU \u672c\u8eab\u5373\u96c6\u6210\u4e86\u7f51\u7edc\uff0c\u5e76\u6709\u6210\u719f\u7684\u534f\u8bae\u6808\u652f\u6301\uff0c\u8fd9\u662f Pico \u7cfb\u5217\u65e0\u6cd5\u5b8c\u5168\u5ab2\u7f8e\u7684\u3002\u5f00\u53d1\u751f\u6001\u4e0a\uff0cNodeMCU \u652f\u6301 Arduino\u3001MicroPython\u3001Lua \u7b49\uff0cPico \u4e3b\u63a8 C\/C++ SDK \u548c MicroPython\u3002\u4e24\u8005 MicroPython \u90fd\u5f88\u597d\u7528\uff0c\u4f46 Arduino\u751f\u6001 NodeMCU \u66f4\u6210\u719f\uff1b\u800c Pico \u7684C\/C++ SDK \u5bf9\u4e13\u4e1a\u5f00\u53d1\u8005\u6709\u5438\u5f15\u529b\u3002Pico \u8fd8\u5177\u5907<strong>USB\u8bbe\u5907<\/strong>\u529f\u80fd\uff0c\u53ef\u6a21\u62df\u952e\u76d8\u3001U\u76d8\u7b49\uff0c\u800c NodeMCU \u7684 USB \u4ec5\u7528\u4e8e\u4e32\u53e3\uff0c\u4e0d\u5177\u5907\u539f\u751fUSB\u63a7\u5236\u5668\u3002\u603b\u4f53\u6765\u8bf4\uff0cRaspberry Pi Pico \u9002\u5408\u9700\u8981<strong>\u9ad8IO\u3001\u591a\u4f20\u611f\u3001\u65e0\u8054\u7f51<\/strong>\u7684\u573a\u666f\uff0c\u529f\u8017\u4e5f\u53ef\u4ee5\u505a\u5230\u8f83\u4f4e\uff1bNodeMCU \u5219\u5728<strong>IoT\u8054\u7f51<\/strong>\u3001<strong>\u6613\u7528\u5e93<\/strong>\u65b9\u9762\u66f4\u7a81\u51fa\u3002\u4e3e\u4f8b\uff1a\u505a\u4e00\u4e2a\u672c\u5730\u6570\u636e\u8bb0\u5f55\u4eea\uff08\u65e0\u8054\u7f51\uff09\uff0c\u7528 Pico \u5229\u7528\u5176ADC\u8bfb\u53d6\u591a\u4e2a\u4f20\u611f\u5668\u6548\u679c\u66f4\u597d\uff1b\u4f46\u5982\u679c\u8981\u5c06\u6570\u636e\u53d1\u9001\u5230\u4e91\u7aef\uff0cNodeMCU \u53ef\u76f4\u63a5\u8fdeWiFi\u7701\u5374\u4e86\u5916\u63a5\u6a21\u5757\uff0c\u8fd8\u80fd\u7528\u73b0\u6210\u7684 MQTT\/HTTP \u5e93\u5feb\u901f\u5b9e\u73b0\u3002\u4e24\u8005\u4ef7\u683c\u90fd\u5341\u5206\u4f4e\u5ec9\uff0cPico ($4) \u548c NodeMCU ($3-5) \u5728\u6210\u672c\u4e0a\u76f8\u5f53\uff0c\u5f00\u53d1\u8005\u53ef\u6839\u636e\u9879\u76ee\u9700\u6c42\u7075\u6d3b\u9009\u62e9\u3002\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>3. NodeMCU vs \u5176\u4ed6\uff1a\u9664\u4e86\u4e0a\u8ff0\uff0cNodeMCU \u4e5f\u5e38\u4e0e\u5176\u4ed6\u5f00\u53d1\u677f\u6bd4\u8f83\uff0c\u5982 ESP32\u7684\u5176\u5b83\u5f00\u53d1\u677f\uff08ESP32 DevKitC \u7b49\uff09\u3001ESP8266\u7684\u4e0d\u540c\u6b3e\u5f0f\uff08\u5982\u66f4\u5c0f\u7684 WeMos D1 mini\uff09\u3001Micro:bit\u3001STM32 \u5f00\u53d1\u677f\u751a\u81f3\u6811\u8393\u6d3e\u8ba1\u7b97\u673a\u7b49\u3002\u7b80\u800c\u8a00\u4e4b\uff0cNodeMCU \u6700\u5927\u7684\u5356\u70b9\u662f\u5185\u7f6eWi-Fi<\/strong>\u548c<strong>\u6613\u7528\u56fa\u4ef6<\/strong>\u3002\u4e0eSTM32\u7b49\u4f20\u7edfMCU\u6bd4\uff0c\u5b83\u7701\u53bb\u4e86\u5916\u63a5\u901a\u4fe1\u6a21\u5757\u7684\u9ebb\u70e6\uff1b\u4e0e\u529f\u80fd\u66f4\u5f3a\u7684Linux\u677f\uff08\u6811\u8393\u6d3e\uff09\u6bd4\uff0c\u5b83\u80dc\u5728\u4f4e\u529f\u8017\u548c\u5b9e\u65f6\u6027\uff0c\u4ee5\u53ca\u66f4\u7b80\u5355\u7684\u7f16\u7a0b\u6a21\u578b\uff08\u65e0\u9700\u64cd\u4f5c\u7cfb\u7edf\u7ef4\u62a4\uff09\u3002\u5f53\u7136\uff0c\u6bcf\u79cd\u677f\u5b50\u90fd\u6709\u5408\u9002\u7684\u5e94\u7528\u9886\u57df\uff0cNodeMCU \u7684\u5b9a\u4f4d\u6b63\u662f\u586b\u8865\u4e86\u201c\u7b80\u5355\u5fae\u63a7\u5236+\u7f51\u7edc\u901a\u4fe1\u201d\u8fd9\u4e00\u7269\u8054\u7f51\u65f6\u4ee3\u7684\u5e7f\u5927\u9700\u6c42\u3002\u56e0\u6b64\u6211\u4eec\u770b\u5230\uff0c\u5728\u521b\u5ba2\u548cIoT\u4ea7\u54c1\u4e2d\uff0cNodeMCU \u53ca\u5176\u82af\u7247\uff08ESP8266\/ESP32\uff09\u51fa\u73b0\u7684\u9891\u7387\u6781\u9ad8\u3002\u8fd9\u5e76\u4e0d\u610f\u5473\u7740\u5176\u4ed6\u677f\u5b50\u4e0d\u91cd\u8981\uff0c\u800c\u662f\u8bf4\u660e\u9009\u578b\u65f6\u5e94\u6839\u636e\u9879\u76ee<strong>\u5177\u4f53\u8981\u6c42<\/strong>\u6765\u5b9a\uff1a\u82e5\u9879\u76ee\u91cd\u7f51\u7edc\u8f7b\u8ba1\u7b97\uff0c\u7528NodeMCU\uff1b\u91cd\u8ba1\u7b97\u8f7b\u7f51\u7edc\uff0c\u7528Pico\/STM32\uff1b\u9700\u8981\u64cd\u4f5c\u7cfb\u7edf\u548c\u591a\u4efb\u52a1\uff0c\u7528\u6811\u8393\u6d3e\u7b49\u3002\u9002\u5f53\u7684\u677f\u5b50\u624d\u80fd\u4e8b\u534a\u529f\u500d\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5168\u7403\u793e\u533a\u8d44\u6e90\u4e0e\u5f00\u6e90\u9879\u76ee\u652f\u6301<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">NodeMCU \u7684\u6210\u529f\u79bb\u4e0d\u5f00\u5e9e\u5927\u7684\u5f00\u6e90\u793e\u533a\u652f\u6301\u3002\u4f5c\u4e3a\u4e00\u6b3e\u5f00\u6e90\u7684\u786c\u4ef6\u4e0e\u56fa\u4ef6\u5e73\u53f0\uff0c\u5168\u7403\u5f00\u53d1\u8005\u56f4\u7ed5 NodeMCU \u5171\u4eab\u4e86\u6d77\u91cf\u7684\u8d44\u6e90\u3001\u4ee3\u7801\u548c\u7ecf\u9a8c\uff0c\u5f62\u6210\u4e86\u4e00\u4e2a\u6d3b\u8dc3\u7684\u751f\u6001\u7cfb\u7edf\uff0c\u8fd9\u5bf9\u5f00\u53d1\u8005\u800c\u8a00\u662f\u6781\u5927\u7684\u8d22\u5bcc\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5b98\u65b9\u8d44\u6e90\uff1aNodeMCU \u9879\u76ee\u6709\u5b98\u65b9\u7f51\u7ad9\u548c GitHub \u4ee3\u7801\u4ed3\u5e93\uff08firmware\u6e90\u7801\u3001\u786c\u4ef6\u8bbe\u8ba1\u5747\u5f00\u6e90\uff09\u3002\u5b98\u65b9\u6587\u6863\u8be6\u7ec6\u5217\u51fa\u4e86 Lua API\u3001\u4f7f\u7528\u6559\u7a0b\uff0c\u8fd8\u7ed9\u51fa\u4e86\u53c2\u8003\u7684\u539f\u7406\u56fe\u548c\u5f00\u53d1\u677fPCB\u8bbe\u8ba1\u3002Espressif \u5b98\u65b9\u4e5f\u63d0\u4f9b\u4e86 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\u53ca\u5176\u5e95\u5c42\u82af\u7247\u8fd8\u63d0\u4f9b\u4e86\u4e00\u4e9b\u5f3a\u5927\u7684\u529f\u80fd\u7279\u6027\uff0c\u53ef\u4ee5\u8fdb\u4e00\u6b65\u62d3\u5c55\u9879\u76ee\u7684\u80fd\u529b\u3002\u5728\u7ecf\u9a8c\u4e30\u5bcc\u7684\u5f00\u53d1\u8005\u624b\u4e2d\uff0c\u8fd9\u4e9b\u9ad8\u7ea7\u529f\u80fd\u5c06\u4f7f NodeMCU \u9879\u76ee\u5982\u864e\u6dfb\u7ffc\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">OTA \u65e0\u7ebf\u66f4\u65b0<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u524d\u6587\u5b89\u5168\u673a\u5236\u90e8\u5206\u63d0\u53ca\u7684 OTA \u529f\u80fd\uff0c\u8fd9\u91cc\u4ece\u5b9e\u7528\u89d2\u5ea6\u518d\u505a\u8865\u5145\u8bf4\u660e\u3002NodeMCU \u5b9e\u73b0 OTA \u5347\u7ea7\u6709\u591a\u79cd\u9014\u5f84\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Arduino OTA \u5e93\uff1a\u5728 Arduino \u73af\u5883\u4e0b\uff0c\u53ea\u9700\u5f15\u5165\u00a0<code>&lt;ArduinoOTA.h&gt;<\/code>\uff0c\u7136\u540e\u5728\u4ee3\u7801\u4e2d\u8c03\u7528\u00a0<code>ArduinoOTA.begin()<\/code>\u00a0\u521d\u59cb\u5316 OTA \u670d\u52a1\u3002\u8fd9\u6837 NodeMCU \u5c31\u4f1a\u5728\u672c\u5730\u7f51\u7edc\u76d1\u542c\u4e00\u4e2a UDP\u7aef\u53e3\uff0c\u7b49\u5f85OTA\u6307\u4ee4\u3002\u5f00\u53d1\u8005\u5728 Arduino IDE \u4e2d\u9009\u62e9\u7f51\u7edc\u7aef\u53e3\u8fdb\u884c\u4e0a\u4f20\uff0c\u7f16\u8bd1\u540e\u7684\u4e8c\u8fdb\u5236\u5c06\u901a\u8fc7 Wi-Fi \u53d1\u9001\u5230 NodeMCU \u5199\u5165 Flash\u3002\u8fd9\u79cd\u65b9\u6cd5\u9002\u5408\u5f00\u53d1\u8c03\u8bd5\u9636\u6bb5\u9891\u7e41\u66f4\u65b0\u7a0b\u5e8f\uff0c\u7701\u53bb\u4e86\u53cd\u590d\u63d2\u62d4USB\u7684\u9ebb\u70e6\u3002\u4f46\u9700\u786e\u4fddPC\u548cNodeMCU\u5728\u540c\u4e00\u5c40\u57df\u7f51\u5185\uff0c\u4e14OTA\u8fc7\u7a0b\u7535\u6e90\u7a33\u5b9a\u3002<\/li>\n\n\n\n<li>HTTP OTA (\u81ea\u6258\u7ba1\u670d\u52a1\u5668)\uff1aNodeMCU \u4e0a\u7684\u7a0b\u5e8f\u4e5f\u53ef\u4ee5\u4e3b\u52a8\u4ece\u6307\u5b9a\u670d\u52a1\u5668\u4e0b\u8f7d\u65b0\u56fa\u4ef6\u3002\u4f8b\u5982 Espressif \u63d0\u4f9b\u4e86\u00a0<code>ESPhttpUpdate<\/code>\u00a0\u5e93\uff08ESP8266HTTPUpdate\uff09\uff0c\u53ef\u8ba9 NodeMCU \u5411\u670d\u52a1\u5668\u67e5\u8be2\u65b0\u7248\u672c\u5e76\u4e0b\u8f7d\u955c\u50cf\uff0c\u7136\u540e\u81ea\u52a8\u5237\u65b0\u3002Lua \u56fa\u4ef6\u4e5f\u6709\u7c7b\u4f3c\u00a0<code>node.task.post(function()<\/code>\u00a0\u89e6\u53d1 OTA \u7684\u6a21\u5757\u3002\u5f00\u53d1\u8005\u53ef\u4ee5\u5728\u81ea\u5df1\u7684\u670d\u52a1\u5668\u4e0a\u6258\u7ba1\u56fa\u4ef6\u6587\u4ef6\uff0c\u6bcf\u6b21 NodeMCU \u5f00\u673a\u6216\u5b9a\u671f\u68c0\u67e5\u662f\u5426\u6709\u66f4\u65b0\uff0c\u6709\u5219\u4e0b\u8f7d\u3002\u4e3a\u4e86\u5b89\u5168\uff0c\u901a\u5e38\u5728HTTP OTA\u65f6\u914d\u5408MD5\u6821\u9a8c\u6216\u7b7e\u540d\u9a8c\u8bc1\u3002HTTP OTA \u7684\u4f18\u70b9\u662f\u6279\u91cf\u8bbe\u5907\u53ef\u81ea\u52a8\u66f4\u65b0\uff08FOTA\uff09\uff0c\u5e38\u7528\u4e8e\u4ea7\u54c1\u90e8\u7f72\u9636\u6bb5\uff0c\u8ba9\u7528\u6237\u65e0\u9700\u62c6\u673a\u5373\u53ef\u83b7\u5f97\u65b0\u7248\u529f\u80fd\u6216\u6f0f\u6d1e\u4fee\u590d\u3002<\/li>\n\n\n\n<li><strong>\u5206\u533a\u5207\u6362\u548c\u56de\u6eda\uff1aESP8266 \u9ed8\u8ba4\u56fa\u4ef6\u5e03\u5c40\u4e2d\uff0cOTA \u4f1a\u4f7f\u7528\u4e24\u4e2a flash \u5206\u533a\u4ea4\u66ff\u5b58\u653e\u56fa\u4ef6\uff08user1.bin \u548c user2.bin\uff09\u3002\u6bcf\u6b21\u5347\u7ea7\u5199\u5165\u672a\u4f7f\u7528\u7684\u90a3\u4e2a\u5206\u533a\uff0c\u7136\u540e\u4fee\u6539\u542f\u52a8\u914d\u7f6e\u3002ESP32 \u5219\u6709\u66f4\u7075\u6d3b\u7684 Partition Table\uff0c\u53ef\u8bbe\u7f6eOTA0, OTA1\u2026\u591a\u4e2a\u69fd\u4f4d\u3002\u9ad8\u7ea7\u7528\u6cd5\u662f\u5b9e\u73b0\u5b89\u5168\u56de\u6eda<\/strong>\uff1a\u5982\u679c\u65b0\u56fa\u4ef6\u8fd0\u884c\u5f02\u5e38\uff0c\u53ef\u4ee5\u81ea\u52a8\u6062\u590d\u5230\u4e0a\u4e00\u4e2a\u7a33\u5b9a\u7248\u672c\u3002\u8fd9\u5bf9\u907f\u514d\u5347\u7ea7\u201c\u5237\u6b7b\u201d\u8bbe\u5907\u5f88\u6709\u7528\u3002\u5b9e\u73b0\u4e0a\uff0c\u53ef\u4ee5\u5728\u56fa\u4ef6\u542f\u52a8\u65f6\u505a\u81ea\u68c0\uff0c\u82e5\u8fde\u7eed\u5d29\u6e83\u5219\u89e6\u53d1\u56de\u6eda\u6807\u5fd7\uff0cbootloader \u68c0\u6d4b\u5230\u6807\u5fd7\u5c31\u52a0\u8f7d\u65e7\u7248\u672c\u3002NodeMCU \u5f00\u6e90\u793e\u533a\u5bf9\u8fd9\u4e9b\u673a\u5236\u4e5f\u6709\u652f\u6301\uff0c\u4f7f\u7528\u5f97\u5f53\u53ef\u4ee5\u6781\u5927\u63d0\u5347\u8bbe\u5907\u8fdc\u7a0b\u7ef4\u62a4\u7684\u53ef\u9760\u6027\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u8fc7 OTA \u529f\u80fd\uff0cNodeMCU \u8bbe\u5907\u83b7\u5f97\u4e86<strong>\u6301\u7eed\u8fed\u4ee3<\/strong>\u7684\u751f\u547d\u529b\u3002\u8fd9\u5bf9\u4e8eIoT\u4ea7\u54c1\u6765\u8bf4\u51e0\u4e4e\u662f\u5fc5\u5907\u7684\u9ad8\u7ea7\u80fd\u529b\u2014\u2014\u8ba9\u5f00\u53d1\u8005\u53ef\u4ee5\u5728\u8bbe\u5907\u51fa\u5382\u540e\uff0c\u4ecd\u80fd\u591f\u6539\u8fdb\u4f18\u5316\uff0c\u54cd\u5e94\u65b0\u7684\u9700\u6c42\u3002\u9700\u8981\u6ce8\u610fOTA\u56fa\u4ef6\u5927\u5c0f\u522b\u8d85\u8fc7flash\u5bb9\u91cf\u7684\u4e00\u534a\uff0c\u4ee5\u53ca\u4fdd\u6301\u5347\u7ea7\u8fc7\u7a0b\u7535\u6e90\u7a33\u5b9a\uff0c\u9632\u6b62\u534a\u9014\u6389\u7535\u5bfc\u81f4\u56fa\u4ef6\u635f\u574f\u3002\u5f53\u7136\uff0c\u4e5f\u5e94\u786e\u4fdd OTA \u901a\u9053\u5b89\u5168\uff0c\u5982\u91c7\u7528 TLS \u6216\u52a0\u5bc6\u7b7e\u540d\u7684\u56fa\u4ef6\uff0c\u9632\u6b62\u88ab\u52ab\u6301\u5237\u5165\u6076\u610f\u4ee3\u7801\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">RTOS \u4e0e\u591a\u4efb\u52a1\u652f\u6301<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">ESP32 \u82af\u7247\u4e0a\u9ed8\u8ba4\u8fd0\u884c\u7740&nbsp;<strong>FreeRTOS<\/strong>&nbsp;\u5b9e\u65f6\u64cd\u4f5c\u7cfb\u7edf\uff0cESP8266 \u4e5f\u6709\u57fa\u4e8e FreeRTOS \u7684\u5b98\u65b9SDK\u3002\u5584\u7528 RTOS \u7279\u6027\uff0c\u53ef\u4ee5\u8ba9 NodeMCU \u9879\u76ee\u5b9e\u73b0<strong>\u771f\u6b63\u7684\u591a\u4efb\u52a1\u5e76\u53d1<\/strong>\u548c\u66f4\u7cbe\u7ec6\u7684\u4efb\u52a1\u8c03\u5ea6\u7ba1\u7406\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>**\u591a\u7ebf\u7a0b\u4efb\u52a1\uff1a**\u5728 Arduino \u6846\u67b6\u4e0b\uff0c\u5176\u5b9eESP32\u5df2\u7ecf\u5728 FreeRTOS \u4e0b\u8dd1\uff0c\u53ea\u662f\u5bf9\u7528\u6237\u5c4f\u853d\u4e86\u7ec6\u8282\u3002\u4e0d\u8fc7\u9ad8\u7ea7\u7528\u6237\u53ef\u4ee5\u8c03\u7528 FreeRTOS API\uff0c\u4f8b\u5982&nbsp;<code>xTaskCreatePinnedToCore()<\/code>&nbsp;\u5728ESP32\u4e0a\u521b\u5efa\u65b0\u4efb\u52a1\u3001\u6307\u5b9a\u8fd0\u884c\u5728\u67d0\u4e2a\u6838\u5fc3\u3002\u8fd9\u6837\u53ef\u4ee5\u628a\u4f20\u611f\u91c7\u96c6\u3001\u901a\u8baf\u5904\u7406\u7b49\u653e\u5728\u4e0d\u540c\u4efb\u52a1\u4e2d\u6267\u884c\uff0c\u63d0\u9ad8\u6548\u7387\u3002\u4f8b\u5982ESP32 NodeMCU\u4e00\u8fb9\u901a\u8fc7\u4e00\u4e2a\u4efb\u52a1\u91c7\u96c6\u9ea6\u514b\u98ce\u97f3\u9891\u5e76\u7f16\u7801\uff0c\u53e6\u4e00\u4efb\u52a1\u540c\u65f6\u8d1f\u8d23\u7f51\u7edc\u4f20\u8f93\uff0c\u5c06\u97f3\u9891\u63a8\u9001\u5230\u670d\u52a1\u5668\u2014\u2014\u53cc\u6838\u5e76\u884c\u4f7f\u5f97\u5ef6\u8fdf\u964d\u4f4e\u3002Lua \u548c MicroPython \u7406\u8bba\u4e0a\u4e5f\u80fd\u5229\u7528 FreeRTOS\uff0c\u4f46\u76ee\u524d\u5b83\u4eec\u591a\u662f\u7528\u5355\u4efb\u52a1\u4e8b\u4ef6\u9a71\u52a8\u6765\u7b80\u5316\u6a21\u578b\u3002\u4e0d\u8fc7 MicroPython \u5728ESP32\u4e0a\u63d0\u4f9b\u4e86&nbsp;<code>_thread<\/code>&nbsp;\u6a21\u5757\uff0c\u53ef\u4ee5\u521b\u5efa\u5e76\u53d1\u7ebf\u7a0b\u8fd0\u884c\u7b80\u5355\u7684Python\u51fd\u6570\uff0c\u5e95\u5c42\u4e5f\u662fRTOS\u4efb\u52a1\u3002<\/li>\n\n\n\n<li><strong>\u5b9e\u65f6\u6027\u548c\u4e2d\u65ad\uff1aFreeRTOS \u8ba9 NodeMCU \u53ef\u4ee5\u8bbe\u5b9a\u4e0d\u540c\u4efb\u52a1\u7684\u4f18\u5148\u7ea7\uff0c\u5173\u952e\u4efb\u52a1\u53ef\u8bbe\u9ad8\u4f18\u5148\u7ea7\u4ee5\u786e\u4fdd\u53ca\u65f6\u6267\u884c\u3002\u800c\u5bf9\u4e8e\u6781\u9ad8\u5b9e\u65f6\u6027\u8981\u6c42\u7684\u90e8\u5206\uff08\u5982\u6b21\u5fae\u79d2\u7ea7\u6ce2\u5f62\u4ea7\u751f\uff09\uff0cESP32 \u63d0\u4f9b\u4e86\u786c\u4ef6\u4e2d\u65ad<\/strong>\u548c<strong>\u9ad8\u7cbe\u5ea6\u5b9a\u65f6\u5668<\/strong>\uff1bESP8266 \u5219\u56e0\u4e3a\u662f\u5355\u6838+WiFi\u4e2d\u65ad\u5360\u7528\uff0c\u5b9e\u65f6\u6027\u4e00\u822c\u4e0d\u5982ESP32\u3002\u5728 NodeMCU Arduino\u5f00\u53d1\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528&nbsp;<code>attachInterrupt()<\/code>&nbsp;\u6765\u6ce8\u518c\u4e2d\u65ad\u670d\u52a1\u7a0b\u5e8f\uff0c\u5728GPIO\u53d8\u5316\u65f6\u7acb\u5373\u54cd\u5e94\u3002\u4f46\u9700\u8981\u6ce8\u610fLua\/MicroPython\u4e0d\u652f\u6301\u81ea\u884c\u5b9a\u4e49\u786c\u4e2d\u65ad\u5904\u7406\uff08\u5b83\u4eec\u5728\u5e95\u5c42\u505a\u4e86\u5c01\u88c5\uff09\uff0c\u6b64\u65f6\u5982\u679c\u9700\u8981\u590d\u6742\u5b9e\u65f6\u903b\u8f91\uff0c\u53ef\u80fd\u9700\u8981\u8f6c\u7528C\u6a21\u5757\u6216\u76f4\u63a5\u4f7f\u7528 FreeRTOS Timer\/Task \u6765\u5b9e\u73b0\u3002<\/li>\n\n\n\n<li><strong>\u53cc\u6838\u5fc3\u5229\u7528\uff1aESP32 NodeMCU \u7684\u4e24\u4e2a\u6838\u5fc3\u901a\u5e38\u5206\u522b\u7528\u4e8e\uff1aCore 0 \u8fd0\u884c Wi-Fi\/BT \u534f\u8bae\u6808\uff08\u201cPRO CPU\u201d\uff09\uff0cCore 1 \u8dd1\u7528\u6237\u5e94\u7528\uff08\u201cAPP CPU\u201d\uff09\u3002\u4e0d\u8fc7\u5f00\u53d1\u8005\u4e5f\u53ef\u4ee5\u5c06\u67d0\u4e9b\u4efb\u52a1Pin\u5230 Core 0 \u4e0a\u8fd0\u884c\uff0c\u6216\u8005\u7981\u7528\u534f\u8bae\u6808\u65f6\u628a\u4e24\u4e2a\u6838\u5fc3\u90fd\u7528\u4e8e\u8ba1\u7b97\u3002\u8fd9\u4e2a\u7075\u6d3b\u6027\u610f\u5473\u7740\u5bf9\u4e8e\u8ba1\u7b97\u5bc6\u96c6\u578b<\/strong>\u4efb\u52a1\uff08\u6bd4\u5982FFT\u3001\u56fe\u50cf\u5904\u7406\uff09\uff0c\u53ef\u4ee5\u5145\u5206\u5360\u7528CPU\u800c\u4e0d\u5f71\u54cd\u53e6\u4e00\u6838\u5fc3\u4e0a\u7684\u8054\u7f51\u529f\u80fd\u3002\u5b9e\u9645\u4e0a Espressif \u63d0\u4f9b\u7684 FreeRTOS\u8fd8\u652f\u6301<strong>\u5bf9\u79f0\u591a\u5904\u7406 SMP<\/strong>\u6a21\u5f0f\uff0c\u4f46 NodeMCU Arduino\u6846\u67b6\u9ed8\u8ba4\u7528\u7684\u662f\u975e\u5bf9\u79f0\u6a21\u5f0f\u3002\u8fd9\u70b9\u9ad8\u7ea7\u7528\u6237\u53ef\u901a\u8fc7\u4fee\u6539 FreeRTOS \u914d\u7f6e\u5b9e\u73b0\u3002<\/li>\n\n\n\n<li><strong>\u5185\u5b58\u7ba1\u7406\u4e0e\u8d44\u6e90\u76d1\u6d4b\uff1aRTOS\u5e26\u6765\u7684\u597d\u5904\u8fd8\u6709\u6bd4\u5982\u8f6f\u4ef6\u5b9a\u65f6\u5668<\/strong>\u3001<strong>\u7ebf\u7a0b\u95f4\u901a\u4fe1 (Queue\/Semaphore)<\/strong>&nbsp;\u7b49\u7b49\u3002\u8fd9\u53ef\u4ee5\u7528\u6765\u4f18\u5316 NodeMCU \u7a0b\u5e8f\u7ed3\u6784\uff0c\u907f\u514d\u4f7f\u7528\u5927\u91cf\u5ef6\u65f6\u7b49\u5f85\u800c\u9009\u62e9\u5f02\u6b65\u901a\u77e5\uff0c\u63d0\u5347\u6548\u7387\u3002\u53e6\u5916\uff0cFreeRTOS \u63d0\u4f9b&nbsp;<code>uxTaskGetStackHighWaterMark()<\/code>&nbsp;\u7b49\u51fd\u6570\u76d1\u6d4b\u4efb\u52a1\u6808\u4f7f\u7528\uff0c<code>heap_caps_print_info()<\/code>&nbsp;\u67e5\u770b\u5806\u5185\u5b58\u5360\u7528\u7b49\uff0c\u8fd9\u4e9b\u5bf9\u8c03\u4f18\u975e\u5e38\u6709\u5e2e\u52a9\u3002\u5f00\u53d1\u8005\u53ef\u4ee5\u636e\u6b64\u53d1\u73b0\u5185\u5b58\u6cc4\u6f0f\u6216\u4efb\u52a1\u6808\u4e0d\u8db3\u7b49\u9690\u60a3\u5e76\u6539\u5584\u7a33\u5b9a\u6027\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u9700\u8981\u6307\u51fa\u7684\u662f\uff0c\u5145\u5206\u4f7f\u7528RTOS\u7279\u6027\u5f80\u5f80\u9700\u8981C\/C++\u5c42\u9762\u7684\u5f00\u53d1\u80fd\u529b\uff0c\u5e76\u8131\u79bb\u4e86\u7b80\u5355\u7684\u811a\u672c\u6216Arduino\u5c01\u88c5\u3002\u4e0d\u8fc7\uff0c\u5bf9\u4e8e\u67d0\u4e9b\u9ad8\u7ea7\u5e94\u7528\uff0c\u8fd9\u662f\u5fc5\u8981\u7684\u3002\u4f8b\u5982\u6709\u4eba\u5728 NodeMCU \u4e0a\u5b9e\u73b0\u4e86\u4e00\u4e2a\u7b80\u6613<strong>\u591a\u7ebf\u7a0b\u6587\u4ef6\u670d\u52a1\u5668<\/strong>\uff0c\u540c\u65f6\u5904\u7406\u591a\u4e2asocket\u8fde\u63a5\u4f20\u8f93\u6587\u4ef6\uff0c\u5982\u679c\u6ca1\u6709RTOS\u7684\u8c03\u5ea6\u51e0\u4e4e\u65e0\u6cd5\u5b8c\u6210\u3002\u53c8\u6bd4\u5982\u65e0\u4eba\u673a\u98de\u63a7\uff0c\u9700\u8981\u51e0\u8def\u4f20\u611f\u878d\u5408\u548c\u63a7\u5236\u7b97\u6cd5\u5e76\u884c\u6267\u884c\uff0c\u4f7f\u7528 FreeRTOS \u4efb\u52a1\u53ef\u4ee5\u5927\u5927\u7b80\u5316\u903b\u8f91\u8bbe\u8ba1\u3002NodeMCU \u63d0\u4f9b\u4e86\u786c\u4ef6\u57fa\u7840\uff0cRTOS \u5219\u63d0\u4f9b\u8f6f\u4ef6\u57fa\u7840\uff0c\u8ba9\u7ecf\u9a8c\u4e30\u5bcc\u7684\u5f00\u53d1\u8005\u80fd\u591f<strong>\u6700\u5927\u5316\u53d1\u6325\u786c\u4ef6\u6f5c\u80fd<\/strong>\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5176\u4ed6\u9ad8\u7ea7\u7279\u6027<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>**Bluetooth\uff1a**\u9488\u5bf9 ESP32 NodeMCU\uff0c\u53ef\u4ee5\u5229\u7528\u5176\u53cc\u6a21\u84dd\u7259\u529f\u80fd\u3002\u4f8b\u5982\u4f7f\u7528 BLE\uff08Bluetooth Low Energy\uff09\u5e7f\u64ad iBeacon \u4fe1\u53f7\uff0c\u6216\u8005\u4e0e\u624b\u673a\u5efa\u7acb GATT \u8fde\u63a5\u4ea4\u6362\u6570\u636e\u3002\u8fd9\u53ef\u4ee5\u62d3\u5c55 NodeMCU \u7684\u4f7f\u7528\u573a\u666f\uff0c\u4f8b\u5982\u624b\u673a\u901a\u8fc7 BLE \u5feb\u901f\u914d\u7f51 NodeMCU\uff08\u4e0d\u7528\u5148\u8fdeWiFi\u70ed\u70b9\uff09\uff0c\u6216\u8005 NodeMCU \u8fde\u63a5\u84dd\u7259\u4f20\u611f\u5668\uff08\u5982\u5fc3\u7387\u5e26\uff09\u83b7\u53d6\u6570\u636e\u540e\u518d\u7ecf WiFi \u4e0a\u4f20\u4e91\u7aef\u3002ESP32 Arduino\u6846\u67b6\u5185\u7f6e\u4e86 BLE\u5e93\uff0c\u53ef\u4ee5\u521b\u5efa BLE \u670d\u52a1\u548c\u7279\u5f81\u3002\u7ecf\u5178\u84dd\u7259\u4e5f\u53ef\u7528\u4e8e\u4e32\u53e3\u900f\u4f20\uff08SPP\uff09\uff0c\u8ddf\u4f20\u7edfHC-05\u6a21\u5757\u7c7b\u4f3c\u3002\u4e0d\u8fc7\u8981\u6ce8\u610f\u84dd\u7259\u548cWiFi\u5171\u5b58\u4f1a\u5171\u7528\u5929\u7ebf\u65f6\u5206\uff0c\u541e\u5410\u548c\u53ef\u9760\u6027\u7565\u53d7\u5f71\u54cd\u3002<\/li>\n\n\n\n<li><strong>ESP-NOW\uff1a\u8fd9\u662f Espressif \u63d0\u4f9b\u7684\u4e00\u79cd\u57fa\u4e8e WiFi\u534f\u8bae\u6808\u4f46\u4e0d\u7ecf\u8fc7\u8def\u7531\u5668\u7684\u5feb\u901f\u65e0\u7ebf\u901a\u4fe1\u534f\u8bae\u3002ESP-NOW \u652f\u6301\u591a\u4e2a ESP8266\/ESP32 \u8bbe\u5907\u70b9\u5bf9\u70b9\u76f4\u63a5\u901a\u8baf\uff0c\u5ef6\u8fdf\u4f4e\u4e14\u529f\u8017\u5c0f\uff0c\u9002\u5408\u6784\u5efa\u5c40\u57df\u4f4e\u529f\u8017\u65e0\u7ebf\u4f20\u611f\u7f51\u7edc<\/strong>\u3002\u4f7f\u7528 ESP-NOW\uff0cNodeMCU \u53ef\u4e0e\u53e6\u4e00\u5757 NodeMCU \u6216 ESP32\u6a21\u5757\u76f4\u63a5\u4ea4\u6362\u6570\u636e\u800c\u65e0\u9700AP\uff0c\u4e2d\u95f4\u8fc7\u7a0b\u52a0\u5bc6\u4e14\u5efa\u7acb\u8fde\u63a5\u5f00\u9500\u5c0f\u3002Arduino \u6709\u76f8\u5173\u7684 ESP-NOW \u5e93\u53ef\u7528\u3002<\/li>\n\n\n\n<li><strong>\u6587\u4ef6\u7cfb\u7edf\u548c\u6570\u636e\u5b58\u50a8\uff1aNodeMCU Lua \u56fa\u4ef6\u4f7f\u7528 SPIFFS\/LittleFS \u6587\u4ef6\u7cfb\u7edf\u628a Flash \u5212\u51fa\u4e00\u90e8\u5206\u5b58\u50a8\u6587\u4ef6\uff0c\u65b9\u4fbf\u4fdd\u5b58\u811a\u672c\u548c\u914d\u7f6e\u3002\u5728 Arduino \u73af\u5883\u4e5f\u53ef\u4f7f\u7528 SPIFFS\u6216FFat\u5e93\u8bfb\u53d6\/\u5199\u5165 Flash\u4e2d\u7684\u6587\u4ef6\u3002\u8fd9\u5bf9\u4e8e\u5b58\u50a8\u79bb\u7ebf\u6570\u636e\u3001\u65e5\u5fd7\u3001\u7f51\u9875\u6587\u4ef6\u7b49\u5f88\u6709\u7528\u3002\u6b64\u5916 ESP32 NodeMCU \u53ef\u4ee5\u5916\u6302 SPI SD\u5361\u6a21\u5757\u6269\u5c55\u5927\u5bb9\u91cf\u5b58\u50a8\u3002\u751a\u81f3 ESP32 \u652f\u6301PSRAM\u6269\u5c55\u5185\u5b58<\/strong>\uff08\u90e8\u5206\u6a21\u7ec4\u5e26\u6709 4MB PSRAM\uff09\uff0c\u53ef\u4ee5\u7528\u4e8e\u7f13\u5b58\u56fe\u50cf\u3001\u97f3\u9891\u7b49\u5927\u91cf\u6570\u636e\uff0c\u8ba9 NodeMCU \u505a\u4e00\u4e9b\u8f7b\u91cf\u591a\u5a92\u4f53\u5904\u7406\u6210\u4e3a\u53ef\u80fd\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u7efc\u5408\u6765\u770b\uff0cNodeMCU \u7684\u9ad8\u7ea7\u529f\u80fd\u8ba9\u5b83\u4e0d\u4ec5\u80fd\u505a\u201c\u5c0f\u73a9\u5177\u201d\uff0c\u4e5f\u80fd\u5728<strong>\u66f4\u590d\u6742\u4e25\u8083\u7684\u9879\u76ee<\/strong>\u4e2d\u4e00\u5c55\u8eab\u624b\u3002\u4ece\u8fdc\u7a0b\u5347\u7ea7\u3001\u5b9e\u65f6\u591a\u7ebf\u7a0b\uff0c\u5230\u84dd\u7259\u76f4\u8fde\u3001\u6587\u4ef6\u7cfb\u7edf\uff0c\u6bcf\u4e00\u9879\u90fd\u62d3\u5bbd\u4e86 NodeMCU \u7684\u5e94\u7528\u8fb9\u754c\u3002\u5f53\u7136\uff0c\u5f00\u53d1\u8005\u5728\u542f\u7528\u8fd9\u4e9b\u9ad8\u7ea7\u7279\u6027\u65f6\u4e5f\u8981\u5145\u5206\u6d4b\u8bd5\u548c\u4f18\u5316\uff0c\u56e0\u4e3a\u529f\u80fd\u8d8a\u591a\u610f\u5473\u7740\u53ef\u80fd\u7684\u51b2\u7a81\u548cbug\u4e5f\u589e\u52a0\u3002\u4f8b\u5982\u540c\u65f6\u4f7f\u7528 WiFi\u548cBLE\u3001\u8dd1\u591a\u4e2a\u9ad8\u4f18\u5148\u7ea7\u4efb\u52a1\uff0c\u53ef\u80fd\u9700\u8981\u6743\u8861\u7cfb\u7edf\u8d1f\u8f7d\u3002\u4f46\u53ea\u8981\u65b9\u6cd5\u5f97\u5f53\uff0cNodeMCU \u5b8c\u5168\u53ef\u4ee5\u80dc\u4efb\u4ece\u7b80\u5355\u5230\u590d\u6742\u7684\u5404\u5c42\u6b21\u7269\u8054\u7f51\u5f00\u53d1\u4efb\u52a1\u3002\u8fd9\u4e5f\u662f\u5b83\u7ecf\u4e45\u4e0d\u8870\u7684\u539f\u56e0\uff1a\u521d\u5b66\u8005\u7528\u5b83\u5165\u95e8\u7269\u8054\u7f51\uff0c\u9ad8\u624b\u7528\u5b83\u6253\u9020\u521b\u610f\u4ea7\u54c1\u2014\u2014\u4e0d\u540c\u6df1\u5ea6\u5404\u53d6\u6240\u9700\uff0cNodeMCU \u90fd\u80fd\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u603b\u7ed3\uff1a\u901a\u8fc7\u4ee5\u4e0a\u6df1\u5165\u89e3\u6790\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230 NodeMCU \u4f5c\u4e3a\u7269\u8054\u7f51\u5f00\u53d1\u677f\u7684\u5f3a\u5927\u4e0e\u7075\u6d3b\u3002\u4ece\u786c\u4ef6\u67b6\u6784\u5230\u8f6f\u4ef6\u751f\u6001\uff0c\u5b83\u96c6\u6210\u4e86 Wi-Fi \u7f51\u7edc\u3001\u5fae\u63a7\u5236\u5668\u548c\u5f00\u6e90\u56fa\u4ef6\uff0c\u4e3a\u5f00\u53d1\u8005\u63d0\u4f9b\u4e86\u4f4e\u95e8\u69db\u9ad8\u4e0a\u9650<\/strong>\u7684\u5e73\u53f0\u3002\u4e00\u5757\u5ec9\u4ef7\u7684 NodeMCU\uff0c\u65e2\u80fd\u7528\u51e0\u884c\u811a\u672c\u505a\u51fa\u539f\u578b\uff0c\u4e5f\u80fd\u7ecf\u4f18\u5316\u6269\u5c55\u6210\u4e3a\u529f\u80fd\u5b8c\u5584\u7684\u7ec8\u7aef\u8bbe\u5907\u3002\u5728\u5b9e\u9645\u9879\u76ee\u5e94\u7528\u4e2d\uff0c\u628a\u63e1 NodeMCU \u7684\u7279\u6027\u548c\u4f18\u52bf\uff0c\u907f\u5f00\u5176\u5c40\u9650\uff0c\u5e76\u501f\u52a9\u4e30\u5bcc\u7684\u793e\u533a\u8d44\u6e90\uff0c\u5f80\u5f80\u53ef\u4ee5\u8fbe\u5230\u4e8b\u534a\u529f\u500d\u7684\u6548\u679c\u3002\u7269\u8054\u7f51\u65f6\u4ee3\u77ac\u606f\u4e07\u53d8\uff0cNodeMCU \u7684\u51fa\u73b0\u6b63\u662f\u987a\u5e94\u4e86\u201c\u5c0f\u8bbe\u5907\u8054\u5927\u7f51\u7edc\u201d\u7684\u6f6e\u6d41\u3002\u65e0\u8bba\u60a8\u662f\u60f3DIY\u4e00\u4e2a\u667a\u80fd\u5c0f\u5de5\u5177\uff0c\u8fd8\u662f\u5f00\u53d1\u5927\u89c4\u6a21\u7684\u4f20\u611f\u7f51\u7edc\uff0cNodeMCU \u90fd\u503c\u5f97\u4f5c\u4e3a\u624b\u8fb9\u7684\u9996\u9009\u5de5\u5177\u4e4b\u4e00\u3002\u5e0c\u671b\u672c\u7bc7\u6574\u7406\u7684 NodeMCU \u5168\u9762\u8d44\u6599\u80fd\u4e3a\u60a8\u7684\u5f00\u53d1\u4e4b\u65c5\u63d0\u4f9b\u6709\u76ca\u7684\u53c2\u8003\u548c\u6307\u5f15\uff0c\u6fc0\u53d1\u51fa\u66f4\u591a\u521b\u65b0\u7684\u7269\u8054\u7f51\u5e94\u7528!&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u53c2\u8003\u6587\u732e\uff1a<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Tyrion.Mon, \u201cESP8266\u548cNode MCU\u626b\u76f2\u4e0e\u5f00\u53d1\u5165\u95e8,\u201d\u00a0<em>CSDN\u535a\u5ba2<\/em>, 2021.<\/li>\n\n\n\n<li>Phodal, \u201cESP8266 \u548c NodeMCU\uff1a\u9ad8\u6027\u4ef7\u6bd4\u7684\u7269\u8054\u7f51\u89e3\u51b3\u65b9\u6848,\u201d\u00a0<em>InfoQ \u4e2d\u6587<\/em>, 2015.<\/li>\n\n\n\n<li>NodeMCU \u5f00\u53d1\u677f\u4ea7\u54c1\u8bf4\u660e,\u00a0<em>\u4e22\u77f3\u5934\u767e\u79d1<\/em>, 2022.<\/li>\n\n\n\n<li>NodeMCU-32S \u5f00\u53d1\u677f\u89c4\u683c,\u00a0<em>\u4e22\u77f3\u5934\u767e\u79d1<\/em>, 2021.<\/li>\n\n\n\n<li>OPUT, \u201cESP8266\/ESP32\u6a21\u5757\u9769\u547d\u6027\u5f71\u54cd\u5206\u6790,\u201d\u00a0<em>CSDN\u535a\u5ba2<\/em>, 2025.<\/li>\n\n\n\n<li>\u5c0f\u660eIO, \u201cnodemcu\u642d\u5efaHTTP\u670d\u52a1\u548cWebSocket\u901a\u4fe1,\u201d\u00a0<em>CSDN\u535a\u5ba2<\/em>, 2024.<\/li>\n\n\n\n<li>JungleWangJ, \u201cNodeMCU\u5b9e\u73b0\u6e29\u6e7f\u5ea6\u6570\u636e\u91c7\u96c6\u5e76\u53d1\u9001\u81f3\u624b\u673aApp,\u201d\u00a0<em>CSDN\u535a\u5ba2<\/em>, 2024.<\/li>\n\n\n\n<li>\u201cArduino UNO R3 \u6280\u672f\u53c2\u6570,\u201d\u00a0<em>\u4e22\u77f3\u5934\u767e\u79d1<\/em>, 2022.<\/li>\n\n\n\n<li>SB-Components, \u201cNODEMCU Vs Raspberry Pi Pico &#8211; Detailed Comparison,\u201d\u00a0<em>sb-components \u535a\u5ba2<\/em>, 2021.<\/li>\n\n\n\n<li>CSDN\u95ee\u7b54, \u201cESP8266 \u4e0e ESP32 \u4f18\u52bf\u5bf9\u6bd4,\u201d 2023.<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>NodeMCU \u662f\u4e00\u79cd\u4f4e\u6210\u672c\u7684\u5f00\u6e90\u7269\u8054\u7f51\u5f00\u53d1\u5e73\u53f0\uff0c\u5305\u542b\u8fd0\u884c\u4e8e\u4e50\u946b ESP8266\/ESP32 Wi-Fi \u82af\u7247\u4e0a\u7684\u56fa\u4ef6\u4ee5\u53ca\u5bf9\u5e94\u7684\u5f00\u53d1\u677f\u786c\u4ef6\u3002\u6700\u521d NodeMCU \u4e13\u6307\u57fa\u4e8e ESP8266 \u7684 Lua \u811a\u672c\u56fa\u4ef6\u548c\u914d\u5957\u5f00\u53d1\u677f\uff0c\u540e\u6765\u4e5f\u589e\u52a0\u4e86\u5bf9 ESP32 \u82af\u7247\u7684\u652f\u6301\u3002NodeMCU \u5f00\u53d1\u677f\u5ef6\u7eed\u4e86\u7ecf\u5178\u8bbe\u8ba1\uff1a\u4ee5 ESP-12 \u6a21\u5757\u4e3a\u6838\u5fc3\uff0c\u677f\u8f7d USB \u8f6c\u4e32\u53e3\u63a5\u53e3\u3001\u7535\u6e90\u7ba1\u7406\u3001\u7535\u8def\u4fdd\u62a4\u7b49\uff0c\u4f7f\u5f00\u53d1\u8005\u80fd\u65b9\u4fbf\u5730\u901a\u8fc7 USB \u4f9b\u7535\u548c\u4e0b\u8f7d\u7a0b\u5e8f\uff0c\u5e76\u5c06\u5168\u90e8 I\/O \u5f15\u51fa\u5230\u4e24\u4fa7\u6392\u9488\u3002\u4e0b\u9762\u5c06\u4ece\u67b6\u6784\u3001\u7f16\u7a0b\u3001\u63a5\u53e3\u3001\u901a\u4fe1\u3001\u5e94\u7528\u3001\u529f\u8017\u3001\u5b89\u5168\u7b49\u65b9\u9762\u5bf9 NodeMCU \u8fdb\u884c\u5168\u9762\u89e3\u6790\uff0c\u5e2e\u52a9\u6709\u7ecf\u9a8c\u7684\u5f00\u53d1\u8005\u66f4\u9ad8\u6548\u5730\u4f7f\u7528\u8fd9\u4e00\u5e73\u53f0\u3002 NodeMCU \u786c\u4ef6\u67b6\u6784\u4e0e\u82af\u7247\u5206\u6790 ESP8266 vs ESP32 \u67b6\u6784\u5dee\u5f02\uff1aNodeMCU \u5f00\u53d1\u677f\u6838\u5fc3\u53ef\u9009\u62e9 ESP8266 \u6216 ESP32 \u82af\u7247\uff0c\u5b83\u4eec\u5728\u67b6\u6784\u4e0a\u6709\u660e\u663e\u533a\u522b\u3002ESP8266 \u5185\u90e8\u91c7\u7528 32 \u4f4d\u00a0Tensilica Xtensa\u00a0L106 \u5355\u6838\u5904\u7406\u5668\uff08\u6700\u9ad8\u4e3b\u9891 80\u2013160 MHz\uff09\uff0c\u96c6\u6210\u4e86 802.11 b\/g\/n Wi-Fi\u5c04\u9891\u6a21\u5757\u3002ESP32 \u5219\u5347\u7ea7\u4e3a 32 \u4f4d\u00a0Tensilica Xtensa\u00a0LX6 \u53cc\u6838\u5904\u7406\u5668\uff0c\u4e3b\u9891\u9ad8\u8fbe &hellip;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[166],"tags":[],"class_list":["post-4853","post","type-post","status-publish","format-standard","hentry","category-2fdcs0bzv59b81b"],"_links":{"self":[{"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/posts\/4853","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/comments?post=4853"}],"version-history":[{"count":5,"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/posts\/4853\/revisions"}],"predecessor-version":[{"id":4858,"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/posts\/4853\/revisions\/4858"}],"wp:attachment":[{"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/media?parent=4853"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/categories?post=4853"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/tags?post=4853"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}