{"id":5420,"date":"2026-02-21T14:29:46","date_gmt":"2026-02-21T05:29:46","guid":{"rendered":"https:\/\/eternalsphere.net\/echoes\/?p=5420"},"modified":"2026-06-06T08:27:34","modified_gmt":"2026-06-05T23:27:34","slug":"fqio5skeshbv95t","status":"publish","type":"post","link":"https:\/\/eternalsphere.net\/echoes\/index.php\/2026\/02\/21\/fqio5skeshbv95t\/","title":{"rendered":"\u81ea\u52a8\u592a\u9633\u80fd\u8ffd\u8e2a\u5668\u539f\u7406\u8be6\u89e3\uff08\u57fa\u4e8e LDR + TDA2822 \u7684\u6a21\u62df\u65b9\u6848\uff09"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u4e00\u3001\u6982\u8ff0<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u81ea\u52a8\u592a\u9633\u80fd\u8ffd\u8e2a\u5668\u7684\u76ee\u6807\u5f88\u7b80\u5355\uff1a<br><strong>\u8ba9\u592a\u9633\u80fd\u677f\u59cb\u7ec8\u671d\u5411\u5149\u6e90\u65b9\u5411\uff0c\u4ee5\u83b7\u5f97\u66f4\u9ad8\u7684\u5149\u7167\u6548\u7387\u3002<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6587\u5206\u6790\u7684\u662f\u4e00\u79cd\u5178\u578b\u7684 DIY \u6a21\u62df\u7535\u8def\u65b9\u6848\uff0c\u6838\u5fc3\u7ec4\u6210\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>2 \u00d7 \u5149\u654f\u7535\u963b\uff08LDR\uff09<\/li>\n\n\n\n<li>2 \u00d7 10k\u03a9 \u7535\u963b<\/li>\n\n\n\n<li>1 \u00d7 TDA2822 \u53cc\u901a\u9053\u529f\u7387\u653e\u5927\u82af\u7247<\/li>\n\n\n\n<li>1 \u00d7 \u76f4\u6d41\u51cf\u901f\u7535\u673a<\/li>\n\n\n\n<li>\u7535\u6e90\u4e0e\u5f00\u5173<\/li>\n\n\n\n<li>\u5c0f\u578b\u592a\u9633\u80fd\u677f\uff08\u4f5c\u4e3a\u88ab\u8ffd\u8e2a\u5bf9\u8c61\uff09<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u65b9\u6848\u4e0d\u4f7f\u7528\u5355\u7247\u673a\uff0c\u4e0d\u6d89\u53ca\u7a0b\u5e8f\u63a7\u5236\uff0c\u800c\u662f\u7eaf\u6a21\u62df\u95ed\u73af\u63a7\u5236\u7cfb\u7edf\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e8c\u3001\u7cfb\u7edf\u7ed3\u6784\u6846\u56fe<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u7cfb\u7edf\u53ef\u4ee5\u62c6\u89e3\u4e3a\u4e09\u4e2a\u529f\u80fd\u6a21\u5757\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">\u5149\u4f20\u611f\u5668 \u2192 \u5dee\u5206\u4fe1\u53f7\u5f62\u6210 \u2192 \u653e\u5927\/\u6bd4\u8f83 \u2192 \u7535\u673a\u9a71\u52a8 \u2192 \u673a\u68b0\u65cb\u8f6c<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u6838\u5fc3\u903b\u8f91\u662f\uff1a<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u5de6\u53f3\u5149\u5f3a\u4e0d\u540c \u2192 \u5f62\u6210\u7535\u538b\u5dee \u2192 \u653e\u5927 \u2192 \u7535\u673a\u5411\u4eae\u7684\u4e00\u4fa7\u8f6c\u52a8 \u2192 \u5149\u5f3a\u8d8b\u4e8e\u76f8\u7b49 \u2192 \u505c\u6b62\u3002<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e09\u3001\u4f20\u611f\u5668\u539f\u7406\uff1a\u5149\u654f\u7535\u963b\u5982\u4f55\u4ea7\u751f\u201c\u65b9\u5411\u4fe1\u53f7\u201d<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. LDR \u7684\u7269\u7406\u7279\u6027<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5149\u654f\u7535\u963b\uff08LDR\uff09\u7684\u7279\u6027\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5149\u5f3a\u589e\u52a0 \u2192 \u7535\u963b\u51cf\u5c0f<\/li>\n\n\n\n<li>\u5149\u5f3a\u964d\u4f4e \u2192 \u7535\u963b\u589e\u5927<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5178\u578b\u8303\u56f4\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5f3a\u5149\uff1a\u51e0\u767e\u6b27\u5230\u51e0\u5343\u6b27<\/li>\n\n\n\n<li>\u5f31\u5149\uff1a\u51e0\u5341\u5343\u6b27\u751a\u81f3\u66f4\u9ad8<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u5206\u538b\u7535\u8def\u539f\u7406<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6bcf\u4e00\u4fa7 LDR \u4e0e\u4e00\u4e2a 10k\u03a9 \u7535\u963b\u7ec4\u6210\u5206\u538b\u5668\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5206\u538b\u8f93\u51fa\u516c\u5f0f\uff1a<math display=\"block\"><semantics><mrow><msub><mi>V<\/mi><mrow><mi>o<\/mi><mi>u<\/mi><mi>t<\/mi><\/mrow><\/msub><mo>=<\/mo><msub><mi>V<\/mi><mrow><mi>c<\/mi><mi>c<\/mi><\/mrow><\/msub><mo>\u22c5<\/mo><mfrac><msub><mi>R<\/mi><mn>2<\/mn><\/msub><mrow><msub><mi>R<\/mi><mn>1<\/mn><\/msub><mo>+<\/mo><msub><mi>R<\/mi><mn>2<\/mn><\/msub><\/mrow><\/mfrac><\/mrow><annotation encoding=\"application\/x-tex\">V_{out} = V_{cc} \\cdot \\frac{R_2}{R_1 + R_2}<\/annotation><\/semantics><\/math>Vout\u200b=Vcc\u200b\u22c5R1\u200b+R2\u200bR2\u200b\u200b<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u4e2d\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><math><semantics><mrow><msub><mi>V<\/mi><mrow><mi>c<\/mi><mi>c<\/mi><\/mrow><\/msub><\/mrow><annotation encoding=\"application\/x-tex\">V_{cc}<\/annotation><\/semantics><\/math>Vcc\u200b\uff1a\u7535\u6e90\u7535\u538b<\/li>\n\n\n\n<li><math><semantics><mrow><msub><mi>R<\/mi><mn>1<\/mn><\/msub><\/mrow><annotation encoding=\"application\/x-tex\">R_1<\/annotation><\/semantics><\/math>R1\u200b\uff1a\u4e0a\u65b9\u7535\u963b<\/li>\n\n\n\n<li><math><semantics><mrow><msub><mi>R<\/mi><mn>2<\/mn><\/msub><\/mrow><annotation encoding=\"application\/x-tex\">R_2<\/annotation><\/semantics><\/math>R2\u200b\uff1a\u4e0b\u65b9\u7535\u963b<\/li>\n\n\n\n<li><math><semantics><mrow><msub><mi>V<\/mi><mrow><mi>o<\/mi><mi>u<\/mi><mi>t<\/mi><\/mrow><\/msub><\/mrow><annotation encoding=\"application\/x-tex\">V_{out}<\/annotation><\/semantics><\/math>Vout\u200b\uff1a\u5206\u538b\u8282\u70b9\u7535\u538b<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u5149\u5f3a\u53d8\u5316\u65f6\uff0cLDR \u7535\u963b\u53d8\u5316\uff0c\u8f93\u51fa\u7535\u538b\u968f\u4e4b\u53d8\u5316\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e8e\u662f\u5f62\u6210\u4e24\u4e2a\u7535\u538b\uff1a<math display=\"block\"><semantics><mrow><msub><mi>V<\/mi><mi>L<\/mi><\/msub><mspace width=\"1em\"><\/mspace><mo stretchy=\"false\">(<\/mo><mtext>\u5de6\u4fa7<\/mtext><mo stretchy=\"false\">)<\/mo><\/mrow><annotation encoding=\"application\/x-tex\">V_L \\quad (\u5de6\u4fa7)<\/annotation><\/semantics><\/math>VL\u200b(\u5de6\u4fa7) <math display=\"block\"><semantics><mrow><msub><mi>V<\/mi><mi>R<\/mi><\/msub><mspace width=\"1em\"><\/mspace><mo stretchy=\"false\">(<\/mo><mtext>\u53f3\u4fa7<\/mtext><mo stretchy=\"false\">)<\/mo><\/mrow><annotation encoding=\"application\/x-tex\">V_R \\quad (\u53f3\u4fa7)<\/annotation><\/semantics><\/math>VR\u200b(\u53f3\u4fa7)<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u65b9\u5411\u8bef\u5dee\u7535\u538b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7cfb\u7edf\u7684\u5173\u952e\u53d8\u91cf\u662f\uff1a<math display=\"block\"><semantics><mrow><mi mathvariant=\"normal\">\u0394<\/mi><mi>V<\/mi><mo>=<\/mo><msub><mi>V<\/mi><mi>L<\/mi><\/msub><mo>\u2212<\/mo><msub><mi>V<\/mi><mi>R<\/mi><\/msub><\/mrow><annotation encoding=\"application\/x-tex\">\\Delta V = V_L &#8211; V_R<\/annotation><\/semantics><\/math>\u0394V=VL\u200b\u2212VR\u200b<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5982\u679c\u5de6\u8fb9\u66f4\u4eae \u2192 <math><semantics><mrow><msub><mi>V<\/mi><mi>L<\/mi><\/msub><\/mrow><annotation encoding=\"application\/x-tex\">V_L<\/annotation><\/semantics><\/math>VL\u200b \u53d8\u5316 \u2192 <math><semantics><mrow><mi mathvariant=\"normal\">\u0394<\/mi><mi>V<\/mi><mo>&gt;<\/mo><mn>0<\/mn><\/mrow><annotation encoding=\"application\/x-tex\">\\Delta V &gt; 0<\/annotation><\/semantics><\/math>\u0394V&gt;0<\/li>\n\n\n\n<li>\u5982\u679c\u53f3\u8fb9\u66f4\u4eae \u2192 <math><semantics><mrow><mi mathvariant=\"normal\">\u0394<\/mi><mi>V<\/mi><mo>&lt;<\/mo><mn>0<\/mn><\/mrow><annotation encoding=\"application\/x-tex\">\\Delta V &lt; 0<\/annotation><\/semantics><\/math>\u0394V&lt;0<\/li>\n\n\n\n<li>\u5982\u679c\u5bf9\u51c6\u5149\u6e90 \u2192 <math><semantics><mrow><mi mathvariant=\"normal\">\u0394<\/mi><mi>V<\/mi><mo>\u2248<\/mo><mn>0<\/mn><\/mrow><annotation encoding=\"application\/x-tex\">\\Delta V \\approx 0<\/annotation><\/semantics><\/math>\u0394V\u22480<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e2a\u7535\u538b\u5dee\u5c31\u662f\u7cfb\u7edf\u7684\u201c\u65b9\u5411\u8bef\u5dee\u4fe1\u53f7\u201d\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\u56db\u3001TDA2822 \u5728\u7535\u8def\u4e2d\u7684\u4f5c\u7528<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u5b83\u672c\u6765\u662f\u4ec0\u4e48\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">TDA2822 \u662f\u4e00\u4e2a\u53cc\u901a\u9053\u97f3\u9891\u529f\u7387\u653e\u5927\u5668\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u539f\u672c\u7528\u9014\uff1a\u5c0f\u97f3\u7bb1\u529f\u653e\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u4e3a\u4ec0\u4e48\u80fd\u7528\u4e8e\u8ffd\u8e2a\u7535\u8def\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u867d\u7136\u5b83\u4e0d\u662f\u4e13\u7528\u6bd4\u8f83\u5668\uff0c\u4f46\u5b83\u5177\u5907\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5dee\u5206\u8f93\u5165\u80fd\u529b<\/li>\n\n\n\n<li>\u8f83\u9ad8\u589e\u76ca<\/li>\n\n\n\n<li>\u8db3\u591f\u7684\u8f93\u51fa\u7535\u6d41<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u8fd9\u79cd\u7b80\u5316\u65b9\u6848\u4e2d\uff0c\u5b83\u88ab\u5f53\u4f5c\uff1a<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u4e00\u4e2a\u201c\u9ad8\u589e\u76ca\u5dee\u5206\u653e\u5927\u5668\u201d<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f5c\u7528\u662f\uff1a<math display=\"block\"><semantics><mrow><mtext>\u8f93\u51fa<\/mtext><mo>\u2248<\/mo><mi>A<\/mi><mo>\u22c5<\/mo><mo stretchy=\"false\">(<\/mo><msub><mi>V<\/mi><mi>L<\/mi><\/msub><mo>\u2212<\/mo><msub><mi>V<\/mi><mi>R<\/mi><\/msub><mo stretchy=\"false\">)<\/mo><\/mrow><annotation encoding=\"application\/x-tex\">\u8f93\u51fa \u2248 A \\cdot (V_L &#8211; V_R)<\/annotation><\/semantics><\/math>\u8f93\u51fa\u2248A\u22c5(VL\u200b\u2212VR\u200b)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u4e2d\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><math><semantics><mrow><mi>A<\/mi><\/mrow><annotation encoding=\"application\/x-tex\">A<\/annotation><\/semantics><\/math>A\uff1a\u589e\u76ca\uff08\u5f88\u5927\uff09<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53 <math><semantics><mrow><mi mathvariant=\"normal\">\u0394<\/mi><mi>V<\/mi><\/mrow><annotation encoding=\"application\/x-tex\">\\Delta V<\/annotation><\/semantics><\/math>\u0394V \u7a0d\u5fae\u504f\u79bb 0 \u65f6\uff0c\u8f93\u51fa\u4f1a\u8fc5\u901f\u8d8b\u5411\u9ad8\u6216\u4f4e\u7535\u5e73\uff0c\u8868\u73b0\u51fa\u201c\u6bd4\u8f83\u5668\u201d\u7684\u6548\u679c\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e94\u3001\u7535\u673a\u9a71\u52a8\u673a\u5236<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u7535\u673a\u901a\u5e38\u8fde\u63a5\u5728\u4e24\u4e2a\u8f93\u51fa\u4e4b\u95f4\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7535\u673a\u4e24\u7aef\u7535\u538b\uff1a<math display=\"block\"><semantics><mrow><msub><mi>V<\/mi><mrow><mi>m<\/mi><mi>o<\/mi><mi>t<\/mi><mi>o<\/mi><mi>r<\/mi><\/mrow><\/msub><mo>=<\/mo><msub><mi>V<\/mi><mrow><mi>o<\/mi><mi>u<\/mi><mi>t<\/mi><mn>1<\/mn><\/mrow><\/msub><mo>\u2212<\/mo><msub><mi>V<\/mi><mrow><mi>o<\/mi><mi>u<\/mi><mi>t<\/mi><mn>2<\/mn><\/mrow><\/msub><\/mrow><annotation encoding=\"application\/x-tex\">V_{motor} = V_{out1} &#8211; V_{out2}<\/annotation><\/semantics><\/math>Vmotor\u200b=Vout1\u200b\u2212Vout2\u200b<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5de6\u4fa7\u7535\u538b\u9ad8\u4e8e\u53f3\u4fa7 \u2192 \u7535\u673a\u5411\u67d0\u65b9\u5411\u65cb\u8f6c<\/li>\n\n\n\n<li>\u53f3\u4fa7\u7535\u538b\u9ad8\u4e8e\u5de6\u4fa7 \u2192 \u53cd\u65b9\u5411\u65cb\u8f6c<\/li>\n\n\n\n<li>\u4e24\u4fa7\u63a5\u8fd1\u76f8\u7b49 \u2192 \u7535\u673a\u505c\u6b62<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u7535\u673a\u65b9\u5411\u5b8c\u5168\u53d6\u51b3\u4e8e\u8f93\u51fa\u7535\u538b\u5dee\u7684\u7b26\u53f7\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\u516d\u3001\u8d1f\u53cd\u9988\u673a\u5236\uff08\u7cfb\u7edf\u4e3a\u4f55\u4f1a\u7a33\u5b9a\uff09<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u662f\u4e00\u4e2a\u5178\u578b\u95ed\u73af\u63a7\u5236\u7cfb\u7edf\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u521d\u59cb\u72b6\u6001\uff1a<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u592a\u9633\u504f\u5de6 \u2192 \u5de6\u4fa7\u66f4\u4eae \u2192 \u7535\u673a\u5411\u5de6\u8f6c\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u65cb\u8f6c\u8fc7\u7a0b\uff1a<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u968f\u7740\u65cb\u8f6c\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5de6\u53f3\u53d7\u5149\u5dee\u51cf\u5c0f<\/li>\n\n\n\n<li><math><semantics><mrow><mi mathvariant=\"normal\">\u0394<\/mi><mi>V<\/mi><\/mrow><annotation encoding=\"application\/x-tex\">\\Delta V<\/annotation><\/semantics><\/math>\u0394V \u51cf\u5c0f<\/li>\n\n\n\n<li>\u8f93\u51fa\u7535\u538b\u5dee\u51cf\u5c0f<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u7a33\u6001\uff1a<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u5de6\u53f3\u5149\u5f3a\u63a5\u8fd1\u76f8\u7b49\uff1a<math display=\"block\"><semantics><mrow><mi mathvariant=\"normal\">\u0394<\/mi><mi>V<\/mi><mo>\u2248<\/mo><mn>0<\/mn><\/mrow><annotation encoding=\"application\/x-tex\">\\Delta V \\approx 0<\/annotation><\/semantics><\/math>\u0394V\u22480<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8f93\u51fa\u8d8b\u4e8e\u5e73\u8861\uff0c\u7535\u673a\u505c\u6b62\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7cfb\u7edf\u81ea\u52a8\u7a33\u5b9a\u5728\uff1a<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u5149\u5f3a\u5dee\u6700\u5c0f\u7684\u4f4d\u7f6e<br>\u4e5f\u5c31\u662f\u592a\u9633\u80fd\u677f\u6b63\u5bf9\u5149\u6e90\u7684\u4f4d\u7f6e\u3002<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e03\u3001\u4e3a\u4ec0\u4e48\u4e2d\u95f4\u901a\u5e38\u8981\u52a0\u6321\u5149\u677f\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u4e24\u4e2a LDR \u5b8c\u5168\u66b4\u9732\u5728\u5149\u4e0b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5149\u5f3a\u53d8\u5316\u5f88\u5e73\u6ed1<\/li>\n\n\n\n<li>\u7075\u654f\u5ea6\u4e0d\u9ad8<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u4e24\u8005\u4e4b\u95f4\u52a0\u5165\u4e00\u5757\u906e\u5149\u677f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5f53\u504f\u79bb\u4e2d\u5fc3\u65f6\uff0c\u4e00\u4fa7\u4f1a\u660e\u663e\u88ab\u906e\u6321<\/li>\n\n\n\n<li>\u5149\u5dee\u88ab\u653e\u5927<\/li>\n\n\n\n<li>\u63a7\u5236\u66f4\u52a0\u7a33\u5b9a<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u5c5e\u4e8e\u201c\u673a\u68b0\u653e\u5927\u8bef\u5dee\u201d\u7684\u8bbe\u8ba1\u65b9\u6cd5\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\u516b\u3001\u7cfb\u7edf\u5e38\u89c1\u95ee\u9898<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u6296\u52a8<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53 <math><semantics><mrow><mi mathvariant=\"normal\">\u0394<\/mi><mi>V<\/mi><\/mrow><annotation encoding=\"application\/x-tex\">\\Delta V<\/annotation><\/semantics><\/math>\u0394V \u63a5\u8fd1 0 \u65f6\uff0c\u5fae\u5c0f\u566a\u58f0\u4f1a\u5f15\u8d77\u7535\u673a\u6765\u56de\u6446\u52a8\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u539f\u56e0\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6ca1\u6709\u8fdf\u6ede<\/li>\n\n\n\n<li>\u589e\u76ca\u8fc7\u9ad8<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6539\u8fdb\u65b9\u5f0f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u52a0\u65bd\u5bc6\u7279\u89e6\u53d1<\/li>\n\n\n\n<li>\u52a0 RC \u6ee4\u6ce2<\/li>\n\n\n\n<li>\u589e\u52a0\u51cf\u901f\u6bd4<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u9a71\u52a8\u80fd\u529b\u4e0d\u8db3<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7535\u673a\u542f\u52a8\u7535\u6d41\u8f83\u5927\uff0c\u800c TDA2822 \u9a71\u52a8\u80fd\u529b\u6709\u9650\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6539\u8fdb\u65b9\u5f0f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u52a0\u4e09\u6781\u7ba1<\/li>\n\n\n\n<li>\u52a0 MOSFET<\/li>\n\n\n\n<li>\u4f7f\u7528\u4e13\u7528 H \u6865\u82af\u7247<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u9634\u5929\u5931\u6548<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5149\u5f3a\u5dee\u8fc7\u5c0f \u2192 \u7535\u538b\u5dee\u4e0d\u8db3 \u2192 \u4e0d\u52a8\u4f5c\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e5d\u3001\u672c\u8d28\u603b\u7ed3<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u7cfb\u7edf\u7684\u6570\u5b66\u672c\u8d28\u53ef\u4ee5\u6982\u62ec\u4e3a\uff1a<math display=\"block\"><semantics><mrow><msub><mi>V<\/mi><mrow><mi>m<\/mi><mi>o<\/mi><mi>t<\/mi><mi>o<\/mi><mi>r<\/mi><\/mrow><\/msub><mo>=<\/mo><mi>A<\/mi><mo>\u22c5<\/mo><mo stretchy=\"false\">(<\/mo><msub><mi>V<\/mi><mi>L<\/mi><\/msub><mo>\u2212<\/mo><msub><mi>V<\/mi><mi>R<\/mi><\/msub><mo stretchy=\"false\">)<\/mo><\/mrow><annotation encoding=\"application\/x-tex\">V_{motor} = A \\cdot (V_L &#8211; V_R)<\/annotation><\/semantics><\/math>Vmotor\u200b=A\u22c5(VL\u200b\u2212VR\u200b)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\uff1a<math display=\"block\"><semantics><mrow><msub><mi>V<\/mi><mi>L<\/mi><\/msub><mo>=<\/mo><msub><mi>V<\/mi><mi>R<\/mi><\/msub><\/mrow><annotation encoding=\"application\/x-tex\">V_L = V_R<\/annotation><\/semantics><\/math>VL\u200b=VR\u200b<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7cfb\u7edf\u8fbe\u5230\u5e73\u8861\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b83\u662f\u4e00\u4e2a\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6a21\u62df\u63a7\u5236\u7cfb\u7edf<\/li>\n\n\n\n<li>\u5355\u8f74\u8ffd\u8e2a\u7ed3\u6784<\/li>\n\n\n\n<li>\u65e0 MCU \u7684\u95ed\u73af\u8d1f\u53cd\u9988\u88c5\u7f6e<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5341\u3001\u5de5\u7a0b\u8bc4\u4ef7<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f18\u70b9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6210\u672c\u4f4e<\/li>\n\n\n\n<li>\u7ed3\u6784\u7b80\u5355<\/li>\n\n\n\n<li>\u6613\u4e8e\u7406\u89e3<\/li>\n\n\n\n<li>\u4e0d\u9700\u8981\u7f16\u7a0b<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u7f3a\u70b9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7cbe\u5ea6\u4f4e<\/li>\n\n\n\n<li>\u6613\u6296\u52a8<\/li>\n\n\n\n<li>\u7a33\u5b9a\u6027\u6709\u9650<\/li>\n\n\n\n<li>\u4e0d\u9002\u5408\u5927\u578b\u592a\u9633\u80fd\u7cfb\u7edf<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5de5\u4e1a\u7ea7\u592a\u9633\u80fd\u8ffd\u8e2a\u7cfb\u7edf\u901a\u5e38\u91c7\u7528\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5149\u7535\u4e8c\u6781\u7ba1\u9635\u5217<\/li>\n\n\n\n<li>\u8fd0\u7b97\u653e\u5927\u5668\u6bd4\u8f83\u5668<\/li>\n\n\n\n<li>MCU \u63a7\u5236<\/li>\n\n\n\n<li>\u6b65\u8fdb\u7535\u673a\u6216\u4f3a\u670d\u7cfb\u7edf<\/li>\n\n\n\n<li>PID \u63a7\u5236\u7b97\u6cd5<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\u7ed3\u8bed<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e2a DIY \u65b9\u6848\u7684\u610f\u4e49\u4e0d\u5728\u4e8e\u6548\u7387\uff0c\u800c\u5728\u4e8e\uff1a<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u7528\u6700\u7b80\u5355\u7684\u6a21\u62df\u7535\u8def\uff0c\u5b9e\u73b0\u4e00\u4e2a\u5b8c\u6574\u7684\u81ea\u52a8\u63a7\u5236\u7cfb\u7edf\u3002<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b83\u672c\u8d28\u4e0a\u662f\u4e00\u4e2a\u201c\u7269\u7406\u4e16\u754c\u4e2d\u7684\u5dee\u5206\u653e\u5927 + \u8d1f\u53cd\u9988\u63a7\u5236\u201d\u5b9e\u4f8b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u3001\u6982\u8ff0 \u81ea\u52a8\u592a\u9633\u80fd\u8ffd\u8e2a\u5668\u7684\u76ee\u6807\u5f88\u7b80\u5355\uff1a\u8ba9\u592a\u9633\u80fd\u677f\u59cb\u7ec8\u671d\u5411\u5149\u6e90\u65b9\u5411\uff0c\u4ee5\u83b7\u5f97\u66f4\u9ad8\u7684\u5149\u7167\u6548\u7387\u3002 \u672c\u6587\u5206\u6790\u7684\u662f\u4e00\u79cd\u5178\u578b\u7684 DIY \u6a21\u62df\u7535\u8def\u65b9\u6848\uff0c\u6838\u5fc3\u7ec4\u6210\u5305\u62ec\uff1a \u8be5\u65b9\u6848\u4e0d\u4f7f\u7528\u5355\u7247\u673a\uff0c\u4e0d\u6d89\u53ca\u7a0b\u5e8f\u63a7\u5236\uff0c\u800c\u662f\u7eaf\u6a21\u62df\u95ed\u73af\u63a7\u5236\u7cfb\u7edf\u3002 \u4e8c\u3001\u7cfb\u7edf\u7ed3\u6784\u6846\u56fe \u7cfb\u7edf\u53ef\u4ee5\u62c6\u89e3\u4e3a\u4e09\u4e2a\u529f\u80fd\u6a21\u5757\uff1a \u5149\u4f20\u611f\u5668 \u2192 \u5dee\u5206\u4fe1\u53f7\u5f62\u6210 \u2192 \u653e\u5927\/\u6bd4\u8f83 \u2192 \u7535\u673a\u9a71\u52a8 \u2192 \u673a\u68b0\u65cb\u8f6c \u5176\u6838\u5fc3\u903b\u8f91\u662f\uff1a \u5de6\u53f3\u5149\u5f3a\u4e0d\u540c \u2192 \u5f62\u6210\u7535\u538b\u5dee \u2192 \u653e\u5927 \u2192 \u7535\u673a\u5411\u4eae\u7684\u4e00\u4fa7\u8f6c\u52a8 \u2192 \u5149\u5f3a\u8d8b\u4e8e\u76f8\u7b49 \u2192 \u505c\u6b62\u3002 \u4e09\u3001\u4f20\u611f\u5668\u539f\u7406\uff1a\u5149\u654f\u7535\u963b\u5982\u4f55\u4ea7\u751f\u201c\u65b9\u5411\u4fe1\u53f7\u201d 1. LDR \u7684\u7269\u7406\u7279\u6027 \u5149\u654f\u7535\u963b\uff08LDR\uff09\u7684\u7279\u6027\uff1a \u5178\u578b\u8303\u56f4\uff1a 2. \u5206\u538b\u7535\u8def\u539f\u7406 \u6bcf\u4e00\u4fa7 LDR \u4e0e\u4e00\u4e2a 10k\u03a9 \u7535\u963b\u7ec4\u6210\u5206\u538b\u5668\u3002 \u5206\u538b\u8f93\u51fa\u516c\u5f0f\uff1aVout=Vcc\u22c5R2R1+R2V_{out} = V_{cc} \\cdot \\frac{R_2}{R_1 + R_2}Vout\u200b=Vcc\u200b\u22c5R1\u200b+R2\u200bR2\u200b\u200b \u5176\u4e2d\uff1a &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-5420","post","type-post","status-publish","format-standard","hentry","category-2fdcs0bzv59b81b"],"_links":{"self":[{"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/posts\/5420","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=5420"}],"version-history":[{"count":1,"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/posts\/5420\/revisions"}],"predecessor-version":[{"id":5421,"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/posts\/5420\/revisions\/5421"}],"wp:attachment":[{"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/media?parent=5420"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/categories?post=5420"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/tags?post=5420"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}