{"id":1543,"date":"2026-04-10T10:11:24","date_gmt":"2026-04-10T02:11:24","guid":{"rendered":"https:\/\/mayaharper.showcasingme.net\/tw\/understanding-timing-diagrams-iot-protocols\/"},"modified":"2026-04-10T10:11:24","modified_gmt":"2026-04-10T02:11:24","slug":"understanding-timing-diagrams-iot-protocols","status":"publish","type":"post","link":"https:\/\/mayaharper.showcasingme.net\/tw\/understanding-timing-diagrams-iot-protocols\/","title":{"rendered":"\u7406\u89e3\u6642\u5e8f\u5716\uff1a\u7269\u806f\u7db2\u5354\u5b9a\u80cc\u5f8c\u7684\u96b1\u85cf\u908f\u8f2f"},"content":{"rendered":"<p>\u5d4c\u5165\u5f0f\u7cfb\u7d71\u8207\u7269\u806f\u7db2\uff08IoT\uff09\u88dd\u7f6e\u56b4\u91cd\u4f9d\u8cf4\u7cbe\u78ba\u7684\u901a\u8a0a\u3002\u82e5\u7121\u6cd5\u5171\u540c\u7406\u89e3\u8cc7\u6599\u4f55\u6642\u5230\u9054\u4ee5\u53ca\u4fe1\u865f\u4f55\u6642\u6539\u8b8a\u72c0\u614b\uff0c\u88dd\u7f6e\u4fbf\u7121\u6cd5\u6709\u6548\u6e9d\u901a\u3002\u9019\u6b63\u662f\u6642\u5e8f\u5716\u8b8a\u5f97\u81f3\u95dc\u91cd\u8981\u7684\u539f\u56e0\u3002\u5b83\u5011\u662f\u6578\u4f4d\u901a\u8a0a\u7684\u85cd\u5716\uff0c\u7528\u4ee5\u5448\u73fe\u4fe1\u865f\u96a8\u6642\u9593\u7684\u95dc\u4fc2\u3002 \ud83d\udcc8<\/p>\n<p>\u672c\u6307\u5357\u63a2\u8a0e\u5982\u4f55\u95b1\u8b80\u3001\u89e3\u8b80\u4e26\u904b\u7528\u6642\u5e8f\u5716\uff0c\u4ee5\u78ba\u4fdd\u5fae\u63a7\u5236\u5668\u3001\u611f\u6e2c\u5668\u8207\u901a\u8a0a\u6a21\u7d44\u4e4b\u9593\u7684\u7a69\u56fa\u9023\u63a5\u3002\u7121\u8ad6\u60a8\u662f\u8a2d\u8a08\u65b0\u7522\u54c1\uff0c\u9084\u662f\u8abf\u8a66\u68d8\u624b\u7684\u9023\u63a5\u554f\u984c\uff0c\u638c\u63e1\u9019\u4e9b\u8996\u89ba\u5316\u8868\u793a\u6cd5\u90fd\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<figure class=\"wp-block-image aligncenter\"><img alt=\"Hand-drawn infographic explaining timing diagrams for IoT protocols: visual guide to reading signal waveforms, clock edges, data validity windows, and protocol comparisons for I2C, SPI, and UART with troubleshooting tips and best practices for embedded systems engineers\" decoding=\"async\" src=\"https:\/\/mayaharper.showcasingme.net\/wp-content\/uploads\/2026\/04\/timing-diagrams-iot-protocols-infographic-hand-drawn.jpg\"\/><\/figure>\n<h2>\u4ec0\u9ebc\u662f\u6642\u5e8f\u5716\u5462\uff1f 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\u901a\u5e38\u6c34\u5e73\u904b\u884c\uff0c\u5f9e\u5de6\u5411\u53f3\u3002<\/li>\n<li><strong> \u8a0a\u865f\u7dda\uff1a<\/strong> \u6c34\u5e73\u7dda\u4ee3\u8868\u55ae\u7368\u7684\u5c0e\u7dda\u6216\u7db2\u8def\u3002<\/li>\n<li><strong> \u908f\u8f2f\u96fb\u5e73\uff1a<\/strong> \u9ad8\u96fb\u58d3\uff08\u908f\u8f2f1\uff09\u8207\u4f4e\u96fb\u58d3\uff08\u908f\u8f2f0\uff09\u3002<\/li>\n<li><strong> \u8b8a\u5316\uff1a<\/strong> \u8a0a\u865f\u5f9e\u4f4e\u96fb\u5e73\u5207\u63db\u5230\u9ad8\u96fb\u5e73\uff0c\u6216\u53cd\u4e4b\u7684\u77ac\u9593\u3002<\/li>\n<\/ul>\n<h2>\u70ba\u4f55\u6642\u5e8f\u5716\u5728\u7269\u806f\u7db2\u4e2d\u81f3\u95dc\u91cd\u8981 \ud83c\udf10<\/h2>\n<p>\u5728\u7269\u806f\u7db2\u4e16\u754c\u4e2d\uff0c\u88dd\u7f6e\u901a\u5e38\u5728\u6709\u9650\u7684\u96fb\u529b\u8207\u8655\u7406\u80fd\u529b\u4e0b\u904b\u4f5c\u3002\u9ad8\u6548\u901a\u8a0a\u4e0d\u50c5\u662f\u5962\u83ef\uff0c\u66f4\u662f\u5fc5\u8981\u3002\u6642\u5e8f\u5716\u5e6b\u52a9\u5de5\u7a0b\u5e2b\u512a\u5316\u9019\u4e9b\u9650\u5236\u3002<\/p>\n<h3>1. \u78ba\u4fdd\u8cc7\u6599\u5b8c\u6574\u6027 \ud83d\udd12<\/h3>\n<p>\u7269\u806f\u7db2\u7db2\u8def\u7d93\u5e38\u5728\u96dc\u8a0a\u74b0\u5883\u4e2d\u50b3\u8f38\u8cc7\u6599\u3002\u96fb\u78c1\u5e72\u64fe\uff08EMI\uff09\u53ef\u80fd\u5c0e\u81f4\u4f4d\u5143\u7ffb\u8f49\u6216\u7522\u751f\u932f\u8aa4\u3002\u6642\u5e8f\u5716\u80fd\u986f\u793a\u8a2d\u5b9a\u6642\u9593\u8207\u4fdd\u6301\u6642\u9593\u662f\u5426\u9054\u6210\u3002\u82e5\u8a0a\u865f\u5728\u6642\u9418\u908a\u7de3\u9644\u8fd1\u904e\u65bc\u63a5\u8fd1\u5730\u6539\u8b8a\uff0c\u63a5\u6536\u88dd\u7f6e\u53ef\u80fd\u8aa4\u89e3\u8cc7\u6599\u3002\u5716\u8868\u6709\u52a9\u65bc\u8b58\u5225\u9019\u4e9b\u9ad8\u98a8\u96aa\u6642\u6bb5\u3002<\/p>\n<h3>2. \u5354\u5b9a\u76f8\u5bb9\u6027 \ud83e\udd1d<\/h3>\n<p>\u4e0d\u540c\u5354\u5b9a\u6709\u4e0d\u540c\u898f\u5247\u3002I2C \u9700\u8981\u7279\u5b9a\u7684\u8d77\u59cb\u8207\u505c\u6b62\u689d\u4ef6\u3002SPI \u4f9d\u8cf4\u6642\u9418\u6975\u6027\u8207\u76f8\u4f4d\u3002\u82e5\u7121\u6642\u5e8f\u5716\uff0c\u5f88\u96e3\u9a57\u8b49\u611f\u6e2c\u5668\u662f\u5426\u7b26\u5408\u5fae\u63a7\u5236\u5668\u7684\u9810\u671f\u3002\u9019\u4e9b\u5716\u8868\u5982\u540c\u786c\u9ad4\u7d44\u4ef6\u4e4b\u9593\u7684\u5408\u7d04\u3002<\/p>\n<h3>3. \u8abf\u8a66\u901a\u8a0a\u932f\u8aa4 \ud83d\udd0d<\/h3>\n<p>\u7576\u901a\u8a0a\u5931\u6557\u6642\uff0c\u901a\u5e38\u4e26\u975e\u96a8\u6a5f\u767c\u751f\u3002\u591a\u534a\u662f\u6642\u5e8f\u9055\u898f\u6240\u81f4\u3002\u900f\u904e\u5728\u793a\u6ce2\u5668\u4e0a\u64f7\u53d6\u5be6\u969b\u8a0a\u865f\uff0c\u4e26\u8207\u7406\u8ad6\u6642\u5e8f\u5716\u758a\u5408\uff0c\u5de5\u7a0b\u5e2b\u53ef\u4ee5\u7cbe\u78ba\u5b9a\u4f4d\u540c\u6b65\u4f55\u6642\u4e2d\u65b7\u3002<\/p>\n<h2>\u6642\u5e8f\u5716\u7684\u95dc\u9375\u5143\u4ef6 \u2699\ufe0f<\/h2>\n<p>\u8981\u6709\u6548\u95b1\u8b80\u9019\u4e9b\u5716\u8868\uff0c\u5fc5\u9808\u7406\u89e3\u69cb\u5efa\u5b83\u5011\u6240\u4f7f\u7528\u7684\u6a19\u6e96\u5143\u4ef6\u3002\u7121\u8ad6\u5354\u5b9a\u70ba\u4f55\uff0c\u6bcf\u500b\u5716\u8868\u90fd\u4f9d\u8cf4\u9019\u4e9b\u6838\u5fc3\u6982\u5ff5\u3002<\/p>\n<h3>\u6642\u9418\u8a0a\u865f\uff08CLK\uff09 \ud83d\udd70\ufe0f<\/h3>\n<p>\u8a31\u591a\u7269\u806f\u7db2\u5354\u5b9a\u70ba\u540c\u6b65\u5f0f\uff0c\u8868\u793a\u5b83\u5011\u4f9d\u8cf4\u6642\u9418\u8a0a\u865f\u4f86\u5354\u8abf\u8cc7\u6599\u50b3\u8f38\u3002\u6642\u9418\u6c7a\u5b9a\u4e86\u901a\u8a0a\u7684\u901f\u5ea6\u3002<\/p>\n<ul>\n<li><strong>\u983b\u7387\uff1a<\/strong> \u6bcf\u79d2\u767c\u751f\u7684\u9031\u671f\u6578\uff08Hz\u3001kHz\u3001MHz\uff09\u3002<\/li>\n<li><strong>\u5de5\u4f5c\u9031\u671f\uff1a<\/strong> \u9ad8\u96fb\u5e73\u6642\u9593\u8207\u7e3d\u9031\u671f\u7684\u6bd4\u7387\u3002<\/li>\n<li><strong>\u908a\u7de3\uff1a<\/strong> \u8a0a\u865f\u901a\u5e38\u5728\u4e0a\u5347\u6cbf\uff08\u4f4e\u81f3\u9ad8\uff09\u6216\u4e0b\u964d\u6cbf\uff08\u9ad8\u81f3\u4f4e\uff09\u89f8\u767c\u3002<\/li>\n<\/ul>\n<h3>\u8cc7\u6599\u7dda\uff08SDA\u3001MOSI\u3001TX\uff09\ud83d\udce1<\/h3>\n<p>\u9019\u4e9b\u662f\u50b3\u8f38\u5be6\u969b\u8cc7\u8a0a\u7684\u5c0e\u7dda\u3002\u5728\u6642\u5e8f\u5716\u4e2d\uff0c\u60a8\u6703\u770b\u5230\u9ad8\u96fb\u5e73\u8207\u4f4e\u96fb\u5e73\u72c0\u614b\u7684\u6a21\u5f0f\uff0c\u4ee3\u8868\u4e8c\u9032\u4f4d\u7684 1 \u548c 0\u3002<\/p>\n<h3>\u63a7\u5236\u8a0a\u865f\uff08CS\u3001EN\u3001RD\u3001WR\uff09\ud83d\uded1<\/h3>\n<p>\u63a7\u5236\u7dda\u7528\u4f86\u7ba1\u7406\u8a0a\u865f\u6d41\u3002\u4f8b\u5982\uff0c\u6676\u7247\u9078\u64c7\uff08CS\uff09\u7dda\u53ef\u80fd\u62c9\u4f4e\uff0c\u4ee5\u555f\u7528\u5171\u4eab\u532f\u6d41\u6392\u4e0a\u7684\u7279\u5b9a\u88dd\u7f6e\u3002\u8b80\/\u5beb\uff08R\/W\uff09\u7dda\u5247\u544a\u8a34\u88dd\u7f6e\u662f\u767c\u9001\u8cc7\u6599\u9084\u662f\u63a5\u6536\u8cc7\u6599\u3002<\/p>\n<h3>\u5efa\u7acb\u8207\u4fdd\u6301\u6642\u9593 \u23f1\ufe0f<\/h3>\n<p>\u9019\u4e9b\u662f\u95dc\u9375\u7684\u5bb9\u8a31\u7bc4\u570d\u3002<strong>\u5efa\u7acb\u6642\u9593<\/strong> \u662f\u6307\u5728\u6642\u9418\u908a\u7de3\u5230\u4f86\u4e4b\u524d\uff0c\u8cc7\u6599\u5fc5\u9808\u4fdd\u6301\u7a69\u5b9a\u7684\u6642\u9593\u9577\u5ea6\u3002<strong>\u4fdd\u6301\u6642\u9593<\/strong> \u662f\u6307\u5728\u6642\u9418\u908a\u7de3\u4e4b\u5f8c\uff0c\u8cc7\u6599\u5fc5\u9808\u4fdd\u6301\u7a69\u5b9a\u7684\u6642\u9593\u9577\u5ea6\u3002\u9055\u53cd\u9019\u4e9b\u898f\u7bc4\u6703\u5c0e\u81f4\u4e9e\u7a69\u614b\u3002<\/p>\n<h2>\u6df1\u5165\u63a2\u8a0e\uff1a\u5e38\u898b\u7684\u7269\u806f\u7db2\u901a\u8a0a\u5354\u5b9a\u53ca\u5176\u6642\u5e8f \ud83d\udd0c<\/h2>\n<p>\u4e0d\u540c\u7684\u901a\u8a0a\u6a19\u6e96\u5177\u6709\u7368\u7279\u7684\u6642\u5e8f\u9700\u6c42\u3002\u4ee5\u4e0b\u662f\u5d4c\u5165\u5f0f\u7cfb\u7d71\u4e2d\u6700\u5e38\u898b\u7684\u4e09\u7a2e\u5354\u5b9a\u7684\u8a73\u7d30\u5206\u6790\u3002<\/p>\n<h3>1. I2C\uff08\u5167\u90e8\u6574\u5408\u96fb\u8def\uff09\ud83e\udde9<\/h3>\n<p>I2C \u5ee3\u6cdb\u7528\u65bc\u9023\u63a5\u4f4e\u901f\u5468\u908a\u88dd\u7f6e\uff0c\u4f8b\u5982\u611f\u6e2c\u5668\u3002\u5b83\u4f7f\u7528\u5169\u689d\u7dda\uff1aSDA\uff08\u8cc7\u6599\uff09\u548c SCL\uff08\u6642\u9418\uff09\u3002<\/p>\n<table>\n<tr>\n<th>\u529f\u80fd<\/th>\n<th>\u6642\u5e8f\u7279\u6027<\/th>\n<\/tr>\n<tr>\n<td>\u8d77\u59cb\u689d\u4ef6<\/td>\n<td>\u7576 SCL \u70ba\u9ad8\u96fb\u5e73\u65f6\uff0cSDA \u7531\u9ad8\u8f49\u70ba\u4f4e\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u505c\u6b62\u689d\u4ef6<\/td>\n<td>\u7576 SCL \u70ba\u9ad8\u96fb\u5e73\u65f6\uff0cSDA \u7531\u4f4e\u8f49\u70ba\u9ad8\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u8cc7\u6599\u6709\u6548\u6027<\/td>\n<td>\u7576 SCL \u70ba\u9ad8\u96fb\u5e73\u65f6\uff0c\u8cc7\u6599\u5fc5\u9808\u4fdd\u6301\u7a69\u5b9a\u3002\u53ea\u6709\u5728 SCL \u70ba\u4f4e\u96fb\u5e73\u65f6\u624d\u80fd\u6539\u8b8a\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u78ba\u8a8d\uff08ACK\uff09<\/td>\n<td>\u63a5\u6536\u7aef\u5728\u7b2c 9 \u500b\u6642\u9418\u8108\u885d\u671f\u9593\u5c07 SDA \u62c9\u4f4e\u3002<\/td>\n<\/tr>\n<\/table>\n<p>\u8d77\u59cb\u689d\u4ef6\u6a19\u793a\u4ea4\u6613\u7684\u958b\u59cb\uff0c\u505c\u6b62\u689d\u4ef6\u6a19\u793a\u4ea4\u6613\u7684\u7d50\u675f\u3002\u95dc\u9375\u7684\u662f\uff0c\u8cc7\u6599\u7dda\u50c5\u5141\u8a31\u5728\u6642\u9418\u70ba\u4f4e\u96fb\u5e73\u65f6\u6539\u8b8a\u72c0\u614b\u3002\u5982\u679c\u88dd\u7f6e\u5728\u6642\u9418\u70ba\u9ad8\u96fb\u5e73\u65f6\u6539\u8b8a\u8cc7\u6599\uff0c\u6703\u6a21\u64ec\u51fa\u8d77\u59cb\u6216\u505c\u6b62\u689d\u4ef6\uff0c\u9020\u6210\u6df7\u6dc6\u3002<\/p>\n<h3>2. SPI\uff08\u5e8f\u5217\u5468\u908a\u4ecb\u9762\uff09\ud83d\ude80<\/h3>\n<p>SPI \u6bd4 I2C \u66f4\u5feb\uff0c\u7528\u65bc\u9ad8\u5e36\u5bec\u8a2d\u5099\uff0c\u4f8b\u5982 SD \u5361\u6216\u986f\u793a\u5668\u3002\u5b83\u901a\u5e38\u4f7f\u7528\u56db\u689d\u7dda\uff1aMOSI\u3001MISO\u3001SCK \u548c CS\u3002<\/p>\n<ul>\n<li><strong>\u6642\u9418\u6975\u6027 (CPOL)\uff1a<\/strong> \u5b9a\u7fa9\u6642\u9418\u7684\u7a7a\u9592\u72c0\u614b\u3002\u662f\u9ad8\u96fb\u5e73\u9084\u662f\u4f4e\u96fb\u5e73\uff1f<\/li>\n<li><strong>\u6642\u9418\u76f8\u4f4d (CPHA)\uff1a<\/strong> \u5b9a\u7fa9\u8cc7\u6599\u4f55\u6642\u88ab\u63a1\u6a23\u3002\u662f\u5728\u7b2c\u4e00\u500b\u9084\u662f\u7b2c\u4e8c\u500b\u6642\u9418\u908a\u7de3\uff1f<\/li>\n<\/ul>\n<p>SPI \u6709\u56db\u7a2e\u64cd\u4f5c\u6a21\u5f0f\uff0c\u7531 CPOL \u548c CPHA \u7684\u7d44\u5408\u5b9a\u7fa9\u3002\u6642\u5e8f\u5716\u5fc5\u9808\u660e\u78ba\u6a19\u793a\u7a7a\u9592\u72c0\u614b\u548c\u6709\u6548\u908a\u7de3\u3002\u8207 I2C \u4e0d\u540c\uff0cSPI \u6c92\u6709\u5167\u5efa\u7684\u78ba\u8a8d\u4f4d\u5143\uff1b\u4e3b\u6a5f\u50c5\u9810\u671f\u6703\u6536\u5230\u8cc7\u6599\u3002<\/p>\n<h3>3. UART\uff08\u901a\u7528\u975e\u540c\u6b65\u63a5\u6536\u767c\u9001\u5668\uff09 \ud83d\udcdf<\/h3>\n<p>UART \u662f\u975e\u540c\u6b65\u7684\uff0c\u8868\u793a\u5b83\u4e0d\u4f7f\u7528\u5171\u7528\u6642\u9418\u3002\u76f8\u53cd\u5730\uff0c\u5b83\u4f9d\u8cf4\u65bc\u4e8b\u5148\u5354\u5b9a\u7684\u50b3\u8f38\u901f\u7387\uff08Baud Rate\uff09\u3002<\/p>\n<ul>\n<li><strong>\u7a7a\u9592\u72c0\u614b\uff1a<\/strong> \u901a\u5e38\u70ba\u9ad8\u96fb\u5e73\u3002<\/li>\n<li><strong>\u8d77\u59cb\u4f4d\uff1a<\/strong> \u5f9e\u9ad8\u96fb\u5e73\u8f49\u70ba\u4f4e\u96fb\u5e73\u8868\u793a\u4e00\u500b\u4f4d\u5143\u7d44\u7684\u958b\u59cb\u3002<\/li>\n<li><strong>\u505c\u6b62\u4f4d\uff1a<\/strong> \u56de\u5230\u9ad8\u96fb\u5e73\u6a19\u793a\u7d50\u675f\u3002<\/li>\n<\/ul>\n<p>\u6642\u5e8f\u5728\u6b64\u81f3\u95dc\u91cd\u8981\uff0c\u56e0\u70ba\u6c92\u6709\u6642\u9418\u4f86\u540c\u6b65\u5169\u500b\u8a2d\u5099\u3002\u5982\u679c\u50b3\u8f38\u901f\u7387\u6709\u54ea\u6015\u4e00\u9ede\u9ede\u504f\u5dee\uff0c\u63a5\u6536\u7aef\u5c31\u6703\u5728\u932f\u8aa4\u7684\u6642\u9593\u63a1\u6a23\u4f4d\u5143\uff0c\u5c0e\u81f4\u932f\u8aa4\u3002\u6642\u5e8f\u5716\u986f\u793a\u4e86\u8d77\u59cb\u4f4d\u548c\u505c\u6b62\u4f4d\u7684\u8108\u885d\u5bec\u5ea6\u76f8\u5c0d\u65bc\u8cc7\u6599\u4f4d\u7684\u95dc\u4fc2\u3002<\/p>\n<h2>\u5982\u4f55\u9010\u6b65\u95b1\u8b80\u6642\u5e8f\u5716 \ud83e\uddd0<\/h2>\n<p>\u9762\u5c0d\u65b0\u7684\u5354\u5b9a\u898f\u683c\u6642\uff0c\u8acb\u9075\u5faa\u6b64\u7cfb\u7d71\u5316\u7684\u65b9\u6cd5\u4f86\u89e3\u8b80\u6642\u5e8f\u5716\u3002<\/p>\n<ol>\n<li><strong>\u8b58\u5225\u6642\u9418\uff1a<\/strong> \u627e\u51fa\u9031\u671f\u6027\u4fe1\u865f\u3002\u78ba\u5b9a\u5176\u983b\u7387\u548c\u4f54\u7a7a\u6bd4\u3002<\/li>\n<li><strong>\u78ba\u5b9a\u6709\u6548\u908a\u7de3\uff1a<\/strong> \u5c0b\u627e\u6307\u793a\u54ea\u500b\u908a\u7de3\u89f8\u767c\u52d5\u4f5c\u7684\u7bad\u982d\u6216\u8a3b\u89e3\u3002\u662f\u4e0a\u5347\u6cbf\u9084\u662f\u4e0b\u964d\u6cbf\uff1f<\/li>\n<li><strong>\u6aa2\u67e5\u8cc7\u6599\u6709\u6548\u7a97\u53e3\uff1a<\/strong> \u5c0b\u627e\u8cc7\u6599\u7a69\u5b9a\u7684\u9670\u5f71\u5340\u57df\u3002\u9019\u6b63\u662f\u63a5\u6536\u5668\u53ef\u4ee5\u8b80\u53d6\u6578\u503c\u7684\u6642\u523b\u3002<\/li>\n<li><strong>\u5b9a\u4f4d\u63a7\u5236\u4fe1\u865f\uff1a<\/strong> \u8b58\u5225\u6676\u7247\u9078\u64c7\u3001\u91cd\u7f6e\u6216\u4f7f\u80fd\u7dda\u3002\u6ce8\u610f\u5b83\u5011\u76f8\u5c0d\u65bc\u6642\u9418\u4f55\u6642\u8b8a\u70ba\u6709\u6548\u3002<\/li>\n<li><strong>\u9a57\u8b49\u88d5\u91cf\uff1a<\/strong> \u6aa2\u67e5\u5efa\u7acb\u6642\u9593\u548c\u4fdd\u6301\u6642\u9593\u7684\u8a3b\u89e3\u3002\u78ba\u4fdd\u5be6\u969b\u5be6\u73fe\u80fd\u6eff\u8db3\u9019\u4e9b\u8981\u6c42\u3002<\/li>\n<\/ol>\n<h2>\u4f7f\u7528\u6642\u5e8f\u5716\u9032\u884c\u6545\u969c\u6392\u9664 \ud83d\udee0\ufe0f<\/h2>\n<p>\u7576\u7cfb\u7d71\u7121\u6cd5\u901a\u8a0a\u6642\uff0c\u6642\u5e8f\u5716\u662f\u60a8\u4e3b\u8981\u7684\u8a3a\u65b7\u5de5\u5177\u3002\u4ee5\u4e0b\u662f\u5e38\u898b\u7684\u6545\u969c\u6a21\u5f0f\u4ee5\u53ca\u6642\u5e8f\u5716\u5982\u4f55\u5e6b\u52a9\u8b58\u5225\u5b83\u5011\u3002<\/p>\n<h3>1. \u9583\u720d\u8207\u96dc\u8a0a \u26a1<\/h3>\n<p>\u4fe1\u865f\u7dda\u4e0a\u7684\u77ed\u5c16\u5cf0\u53ef\u80fd\u88ab\u89e3\u8b80\u70ba\u6709\u6548\u908a\u7de3\u3002\u6642\u5e8f\u5716\u6709\u52a9\u65bc\u5340\u5206\u771f\u5be6\u7684\u4fe1\u865f\u8f49\u63db\u8207\u96fb\u6c23\u96dc\u8a0a\u3002\u5982\u679c\u8108\u885d\u5bec\u5ea6\u5c0f\u65bc\u6700\u5c0f\u898f\u683c\uff0c\u5f88\u53ef\u80fd\u662f\u96dc\u8a0a\u3002<\/p>\n<h3>2. \u6642\u9418\u504f\u79fb \ud83c\udfc1<\/h3>\n<p>\u6642\u9418\u504f\u79fb\u767c\u751f\u5728\u6642\u9418\u4fe1\u865f\u5230\u9054\u4e0d\u540c\u8a2d\u5099\u7684\u6642\u9593\u4e0d\u4e00\u81f4\u6642\u3002\u5728\u6642\u5e8f\u5716\u4e2d\uff0c\u9019\u8868\u73fe\u70ba\u6642\u9418\u908a\u6cbf\u76f8\u5c0d\u65bc\u8cc7\u6599\u908a\u6cbf\u7684\u504f\u79fb\u3002\u5982\u679c\u504f\u79fb\u8d85\u904e\u6642\u5e8f\u9810\u7b97\uff0c\u7cfb\u7d71\u5c07\u5931\u6548\u3002<\/p>\n<h3>3. \u6ce2\u7279\u7387\u4e0d\u5339\u914d\uff08UART\uff09 \ud83d\udcc9<\/h3>\n<p>\u5982\u679c\u767c\u9001\u7aef\u8207\u63a5\u6536\u7aef\u672a\u5b8c\u5168\u540c\u6b65\uff0c\u53d6\u6a23\u9ede\u6703\u7522\u751f\u6f02\u79fb\u3002\u96a8\u8457\u6642\u9593\u63a8\u79fb\uff0c\u63a5\u6536\u7aef\u53ef\u80fd\u53d6\u6a23\u4e0b\u4e00\u500b\u4f4d\u5143\u800c\u975e\u7576\u524d\u4f4d\u5143\u3002\u6642\u5e8f\u5716\u53ef\u5448\u73fe\u6b64\u6f02\u79fb\u73fe\u8c61\uff0c\u986f\u793a\u932f\u8aa4\u4f4d\u5143\u7684\u7d2f\u7a4d\u3002<\/p>\n<h3>4. \u4e0a\u62c9\u96fb\u963b\u554f\u984c\uff08I2C\uff09 \ud83e\uddf1<\/h3>\n<p>I2C \u7dda\u8def\u70ba\u958b\u6f0f\u8f38\u51fa\uff0c\u9700\u8981\u4e0a\u62c9\u96fb\u963b\u3002\u5982\u679c\u96fb\u963b\u503c\u904e\u9ad8\uff0c\u4fe1\u865f\u4e0a\u5347\u901f\u5ea6\u6703\u8b8a\u6162\u3002\u6642\u5e8f\u5716\u6703\u986f\u793a\u7de9\u6162\u7684\u4e0a\u5347\u6642\u9593\uff0c\u53ef\u80fd\u5c0e\u81f4\u4fe1\u865f\u5728\u6642\u9418\u908a\u6cbf\u5230\u9054\u524d\u672a\u80fd\u9054\u5230\u9ad8\u96fb\u5e73\u95be\u503c\u3002<\/p>\n<h2>\u8a2d\u8a08\u53ef\u9760\u6642\u5e8f\u7684\u6700\u4f73\u5be6\u52d9 \ud83d\udcdd<\/h2>\n<p>\u6210\u529f\u8a2d\u8a08\u6642\u5e8f\u9700\u8981\u5f9e\u96fb\u8def\u5716\u968e\u6bb5\u5230PCB\u4f48\u5c40\u90fd\u7d30\u5fc3\u7559\u610f\u3002\u9075\u5faa\u4ee5\u4e0b\u6307\u5357\u53ef\u6709\u6548\u964d\u4f4e\u554f\u984c\u767c\u751f\u3002<\/p>\n<ul>\n<li><strong>\u5339\u914d\u8d70\u7dda\u9577\u5ea6\uff1a<\/strong> \u5c0d\u65bc\u4e26\u5217\u7e3d\u7dda\uff0c\u4fdd\u6301\u8d70\u7dda\u9577\u5ea6\u4e00\u81f4\u4ee5\u907f\u514d\u504f\u79fb\u3002\u5c0d\u65bc\u4e32\u5217\u7e3d\u7dda\uff0c\u78ba\u4fdd\u6642\u9418\u8def\u5f91\u4e7e\u6de8\u3002<\/li>\n<li><strong>\u7ba1\u7406\u963b\u6297\uff1a<\/strong> \u4f7f\u7528\u53d7\u63a7\u963b\u6297\u8d70\u7dda\u4ee5\u9632\u6b62\u4fe1\u865f\u53cd\u5c04\uff0c\u907f\u514d\u6642\u5e8f\u626d\u66f2\u3002<\/li>\n<li><strong>\u53bb\u8026\u96fb\u5bb9\uff1a<\/strong> \u5728\u96fb\u6e90\u5f15\u8173\u9644\u8fd1\u653e\u7f6e\u96fb\u5bb9\uff0c\u4ee5\u78ba\u4fdd\u5207\u63db\u671f\u9593\u96fb\u58d3\u7a69\u5b9a\uff0c\u9632\u6b62\u6642\u5e8f\u6296\u52d5\u3002<\/li>\n<li><strong>\u5c0a\u91cd\u4e0a\u5347\u6642\u9593\uff1a<\/strong> \u78ba\u4fdd\u9a45\u52d5\u5668\u80fd\u5feb\u901f\u5207\u63db\uff0c\u4ee5\u6eff\u8db3\u5354\u5b9a\u7684\u6700\u5c0f\u4e0a\u5347\/\u4e0b\u964d\u6642\u9593\u8981\u6c42\u3002<\/li>\n<li><strong>\u4f7f\u7528\u63a5\u5730\u5e73\u9762\uff1a<\/strong> 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