{"id":2277,"date":"2021-10-07T19:29:29","date_gmt":"2021-10-07T11:29:29","guid":{"rendered":"https:\/\/www.block.tw\/blog\/?p=2277"},"modified":"2021-10-07T19:29:29","modified_gmt":"2021-10-07T11:29:29","slug":"uart","status":"publish","type":"post","link":"https:\/\/www.block.tw\/blog\/uart\/","title":{"rendered":"UART \u4e32\u5217\u901a\u8a0a"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u4e32\u5217\u901a\u8a0a<\/h2>\n\n\n\n<p>\u4e32\u5217\u901a\u8a0a\u5c31\u662f1\u6b21\u53ea\u50b3\u90011\u4f4d\u5143\u7684\u8cc7\u6599\uff0c \u5047\u8a2d1 byte(8 bit) \u7684\u8cc7\u6599\u8981\u50b3\u9001\u5230\u5c0d\u65b9\uff0c\u5982\u679c\u60f3\u8981\u4e00\u6b21\u5c31\u628a 8 bit \u90fd\u9001\u904e\u53bb(\u4e26\u5217)\uff0c\u5c31\u81f3\u5c11\u9700\u8981 8 \u689d\u8cc7\u6599\u7dda\u7684\u96fb\u8def\u9023\u7dda\uff0c\u4f46\u5982\u679c\u4f7f\u7528\u4e32\u5217\u901a\u8a0a\uff0c\u53ea\u9700\u89811\u689d\u8cc7\u6599\u7dda\uff0c\u4f46\u8981\u628a8bit \u5206\u62108\u6b21\u50b3\u9001\u3002 \u4e32\u5217\u901a\u8a0a\u7684\u512a\u9ede\u5c31\u662f\u9023\u63a5\u7dda\u8f03\u5c11\uff0c\u7f3a\u9ede\u5c31\u662f\u901a\u8a0a\u901f\u5ea6\u8f03\u6162<span style=\"color: #cf2e2e;\" class=\"ugb-highlight\">(USB \u4e5f\u662f\u4e32\u5217\u901a\u8a0a\uff0c\u901f\u5ea6\u4e5f\u662f\u8d8a\u4f86\u8d8a\u5feb\u4e86)<\/span>\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u540c\u6b65\/\u975e\u540c\u6b65<\/h2>\n\n\n\n<p id=\"caption-attachment-55076\">\u4e32\u5217\u901a\u8a0a\u9664\u4e86\u9700\u89811\u689d\u8cc7\u6599\u7dda\u5916\uff0c\u9084\u9700\u89811\u689d\u8a0a\u865f\u7dda\u624d\u80fd\u904b\u4f5c\uff0c\u9019\u689d\u8a0a\u865f\u7dda\u901a\u5e38\u7a31\u70ba clock\u3002clock \u8a0a\u865f\u662f\u7528\u4f86\u78ba\u4fdd\u50b3\u9001\u548c\u63a5\u6536\u65b9\u80fd\u540c\u6b65\u7684\u4e00\u7a2e\u65b9\u6cd5\uff0c\u4e0d\u7136\u63a5\u6536\u65b9\u6703\u4e0d\u77e5\u9053\u50b3\u9001\u65b9\u4f55\u6642\u9001\u8cc7\u6599\u904e\u4f86\u3002\u9019\u7a2e\u901a\u8a0a\u65b9\u5f0f\u7a31\u70ba USRT(Universal Synchronous Receiver\/Transceiver) \u901a\u7528\u540c\u6b65\u4e32\u5217\u901a\u8a0a\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u628a clock \u8a0a\u865f\u7dda\u7701\u6389\u5462?\uff0c\u4e0d\u8981 clock \u8a0a\u865f\u7dda  \u4e5f\u80fd\u628a\u8cc7\u6599\u4e32\u5217\u50b3\u9001\u5462\uff1f\u53ef\u4ee5\u7684\uff0c\u53ea\u8981\u50b3\u9001\u8207\u63a5\u6536\u65b9\u5148\u8a2d\u5b9a\u597d\u50b3\u9001\u901f\u5ea6\uff0c\u518d\u7528\u76f8\u540c\u7684\u901f\u5ea6\u4f86\u50b3\u9001\u3001\u63a5\u6536\u8cc7\u6599\u5c31\u884c\uff01\u9019\u7a2e\u65b9\u5f0f\u7684\u4e32\u5217\u901a\u8a0a\u7a31\u70ba UART (Universal Asynchronous<br>Receiver \/ Transmitter)<span style=\"color: #cf2e2e;\" class=\"ugb-highlight\">(\u540c\u6b65\u901a\u8a0a\u5c31\u6709clock\u7dda\u7684\u901a\u8a0a\uff0c\u975e\u901a\u6b65\u901a\u8a0a\u5c31\u662f\u6c92\u6709clock\u7dda\u7684\u901a\u8a0a)<\/span>\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u9b91\u7387 <\/h2>\n\n\n\n<p>\u6240\u4ee5\u8981\u4f7f\u7528 UART \u901a\u8a0a\uff0c\u5c31\u5fc5\u9700\u8981\u8a2d\u5b9a\u76f8\u540c\u7684\u901a\u8a0a\u901f\u5ea6( \u9b91\u7387  baud)\uff0c1 \u9b91\u7387 \u5373\u6307\u6bcf\u79d2\u50b3\u8f381\u500b\u7b26\u865f(bit)\uff0c\u4ee538400 bps \uff0c\u8868\u793a\u6bcf\u79d2\u9418\u50b3\u900138400\u500b bit\uff0c\u6bcf\u4e00\u500b bit \u7684\u6642\u9593\u5c31\u662f 1\/38400 = 26 us\uff0c\u4e5f\u5c31\u662f\u8aaa\uff0c\u63a5\u6536\u65b9\u6bcf\u9694 26us \u5c31\u8b80\u4e00\u500b bit\u3002\u50b3\u9001\u3001\u63a5\u6536\u96d9\u65b9\u5fc5\u9700\u8a2d\u5b9a\u76f8\u540c\u7684\u9b91\u7387\uff0c\u624d\u80fd\u6b63\u5e38\u5de5\u4f5c\u3002\u5982\u679c\u4f60\u7528 9600 bps \u7684\u901f\u5ea6\u4f86\u63a5\u6536\u7528 38400 bps \u50b3\u9001\u7684\u8a0a\u865f\uff0c\u6703\u6536\u5230\u4e00\u5806\u4e82\u78bc\u3002\u6709\u4e9b UART \u754c\u9762\u53ef\u4ee5\u7d93\u7531\u89c0\u5bdf\u6536\u5230\u7684\u8a0a\u865f\u4f86\u9810\u6e2c\u9b91\u7387 \uff0c\u7136\u5f8c\u81ea\u52d5\u8a2d\u5b9a\u5c0d\u61c9\u7684\u901f\u5ea6(auto baud)\uff0c\u907f\u514d\u9b91\u7387\u8a2d\u5b9a\u4e0d\u540c\u800c\u7121\u6cd5\u50b3\u9001 \u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/www.block.tw\/blog\/wp-content\/uploads\/arduino\/UART\/UART1_8_1.svg\" alt=\"\"\/><figcaption> UART \u50b3\u9001\u5c01\u5305\u683c\u5f0f\uff0c\u5305\u542b1bit\u555f\u59cb\u4f4d\u5143+8bit\u8cc7\u6599\u4f4d\u5143+1bit\u505c\u6b62\u4f4d\u5143<\/figcaption><\/figure><\/div>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/www.block.tw\/blog\/wp-content\/uploads\/arduino\/UART\/UART1_8_1_1.svg\" alt=\"\"\/><figcaption> UART \u50b3\u9001\u5c01\u5305\u683c\u5f0f\uff0c\u5305\u542b1bit\u555f\u59cb\u4f4d\u5143+8bit\u8cc7\u6599\u4f4d\u5143+1bit\u540c\u4f4d\u4f4d\u5143 +1bit\u505c\u6b62\u4f4d\u5143 <\/figcaption><\/figure><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">\u555f\u59cb\u4f4d\u5143<\/h2>\n\n\n\n<p>\u96d6\u7136\u7d04\u5b9a\u597d\u50b3\u9001\u901f\u5ea6(\u9b91\u7387)\uff0c\u4f46\u4f55\u6642\u624d\u958b\u59cb\u50b3\u9001\u4e5f\u662f\u76f8\u7576\u91cd\u8981\uff0c\u56e0\u6b64 UART \u4e0a\u50b3\u8f38 1\u7b46\u8cc7\u6599(1\u500b\u5c01\u5305)\u6642\uff0c\u6703\u6709\u4e00\u500b\u555f\u59cb\u4f4d\u5143\uff0c\u4f86\u901a\u77e5\u63a5\u6536\u65b9\uff0c\u8b93\u5b83\u77e5\u9053\u8981\u958b\u59cb\u50b3\u9001\u8cc7\u6599\u4e86\u3002UART \u6c92\u6709\u50b3\u9001\u8cc7\u6599\u6642\uff0c\u662f\u7dad\u6301\u5728 <span style=\"color: #0693e3;\" class=\"ugb-highlight\">\u9ad8\u96fb\u4f4d(High)<\/span> \u7684\u72c0\u614b\uff0c\u4e5f\u5c31\u662f\u6240\u8b02\u7684\u300cidle high\u300d\u3002 \u7576\u8981\u958b\u59cb\u50b3\u9001\u6642\uff0c\u6703\u5f9e<span style=\"color: #0693e3;\" class=\"ugb-highlight\">\u9ad8\u96fb\u4f4d<\/span>\u8b8a\u6210<span style=\"color: #0693e3;\" class=\"ugb-highlight\">\u4f4e\u96fb\u4f4d<\/span>\uff0c\u63a5\u6536\u65b9\u53ea\u8981\u6aa2\u6e2c\u5230\u96fb\u4f4d\u7684\u6539\u8b8a\uff0c\u5c31\u77e5\u9053\u8981\u958b\u59cb\u50b3\u9001\u8cc7\u6599\u4e86\uff0c UART \u7684\u555f\u59cb\u4f4d\u5143\u56fa\u5b9a\u662f 1\u4f4d\u5143(bit)(\u5982\u4e0a\u5716)\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u8cc7\u6599\u4f4d\u5143<\/h2>\n\n\n\n<p>\u8cc7\u6599\u4f4d\u5143\u5305\u542b\u6240\u50b3\u8f38\u7684\u5be6\u969b\u8cc7\u6599\uff0c\u5728\u5927\u591a\u6578\u60c5\u6cc1\u4e0b\uff0c\u8cc7\u6599\u4ee5\u6700\u4f4e\u6709\u6548\u4f4d\u5143\u512a\u5148\u65b9\u5f0f\u767c\u9001\u3002 <\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u540c\u4f4d\u4f4d\u5143<\/h2>\n\n\n\n<p>\u540c\u4f4d\u4f4d\u5143\u6709\u5169\u7a2e\u6a21\u5f0f\uff1a\u5076\u540c\u4f4d(even) \u548c \u5947\u540c\u4f4d(odd)\uff0c\u5076\u540c\u4f4d\u5c31\u662f\u5305\u542b\u540c\u4f4d\u4f4d\u5143\uff0c \u8981\u8b93\u6574\u500b\u5c01\u5305\u5b57\u5143\u4e2d\u7684\u300c1\u300d\u500b\u6578\u7232\u5076\u6578\u3002\u6bd4\u65b9\u8aaa\u6211\u5011\u50b3\u9001\u7684\u8cc7\u6599\u662f 10011000\uff0c\u7e3d\u5171 8 \u500b bit\uff0c\u5176\u4e2d\u6709 3 \u500b 1\uff0c\u5982\u679c\u6b64\u6642\u540c\u4f4d\u4f4d\u5143\u7684\u6a21\u5f0f\u662f\u5076\u540c\u4f4d\u6642\uff0c\u540c\u4f4d\u4f4d\u5143\u5c31\u8981\u8a2d\u7232 1\uff0c\u597d\u8b93\u6574\u7d44\u5b57\u5143\u8b8a\u6210 10011000<span style=\"color: #cf2e2e;\" class=\"ugb-highlight\">1<\/span>\uff0c\uff08\u88e1\u9762\u7e3d\u5171\u5305\u542b\u4e86 4 \u500b1\uff09\u3002\u540c\u7406\uff0c \u5982\u679c\u6b64\u6642\u540c\u4f4d\u4f4d\u5143\u7684\u6a21\u5f0f\u662f\u5947\u540c\u4f4d\u6642\uff0c\u540c\u4f4d\u4f4d\u5143\u5c31\u8981\u8a2d\u7232 0\uff0c\u597d\u8b93\u6574\u7d44\u5b57\u5143\u8b8a\u6210 10011000<span style=\"color: #cf2e2e;\" class=\"ugb-highlight\">0<\/span>\uff0c\uff08\u88e1\u9762\u7e3d\u5171\u5305\u542b\u4e86 3 \u500b1\uff09\u3002 <\/p>\n\n\n\n<p>\u5982\u679c\u9019\u7d44\u5c01\u5305\u5728\u50b3\u9001\u904e\u7a0b\u7576\u4e2d\u51fa\u73fe\u932f\u8aa4\uff0c\u5176\u4e2d\u4e00\u500b bit \u5f9e 0 \u8b8a\u6210\u4e86 1\uff0c\u63a5\u6536\u7aef\u5728\u63a5\u6536\u6642\u6703\u767c\u73fe\u6574\u500b\u5b57\u5143\u88e1 1 \u7684\u500b\u6578\u4e0d\u662f\u5076\u6578\uff0c\u6216\u4e0d\u662f\u5947\u6578\uff0c\u5c31\u53ef\u4ee5\u5224\u65b7\u50b3\u8f38\u904e\u7a0b\u767c\u751f\u554f\u984c\uff0c\u5fc5\u9700\u91cd\u50b3\u3002\u4f46\u8cc7\u6599\u88e1\u9762\u6709 2 \u500b\u4f4d\u5143\u90fd\u51fa\u4e86\u554f\u984c\uff0c\u90a3\u9ebc\u5b83\u5c31\u7121\u6cd5\u5224\u65b7\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u505c\u6b62\u4f4d\u5143<\/h2>\n\n\n\n<p>\u8868\u793a\u8cc7\u6599\u5c01\u5305\u7d50\u675f\uff0c UART \u7684\u767c\u9001\u65b9\u6703\u5c07\u8cc7\u6599\u50b3\u8f38\u7dda\u5f9e\u4f4e\u96fb\u58d3\u8b8a\u6210\u9ad8\u96fb\u58d3\u4e26\u4fdd\u63011~2\u4f4d\u5143\u6642\u9593\u3002 <\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u73fe\u6cc1<\/h2>\n\n\n\n<p>\u73fe\u5728 UART \u5f88\u5c11\u4f7f\u7528\u540c\u4f4d\u4f4d\u5143\u4f86\u5075\u932f\u4e86\u3002\u5e38\u898b\u7684\u300c38400,8,N,1\u300d\u9019\u7a2e\u8a2d\u5b9a\uff0c\u610f\u601d\u5c31\u662f 38400 bps \u7684\u9b91\u7387\u30018 \u500b\u8cc7\u6599\u4f4d\u5143\uff0cN \u5247\u4ee3\u8868\u6c92\u6709\u540c\u4f4d\u4f4d\u5143\uff0c1 \u662f 1 \u500b\u505c\u6b62\u4f4d\u5143\u7684\u610f\u601d\uff1b\u73fe\u5728\u5176\u5be6\u5df2\u7d93\u5f88\u5c11\u770b\u5230\u5f8c\u9762\u4e0d\u662f\u300c8,N,1\u300d\u7684\u8a2d\u5b9a\uff0c\u56e0\u70ba \u540c\u4f4d\u4f4d\u5143\u5df2\u7d93\u5e7e\u4e4e\u4e0d\u518d\u4f7f\u7528\uff0c\u800c 8 \u500b\u8cc7\u6599\u4f4d\u5143\u548c 1 \u500b\u505c\u6b62\u4f4d\u5143\u4e5f\u5e7e\u4e4e\u6210\u7232\u6a19\u6e96\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u63a5\u7dda<\/strong><\/h2>\n\n\n\n<p>\u7531\u4e0a\u53ef\u77e5\uff0c\u53ea\u8981\u4e00\u689d\u8cc7\u6599\u7dda\u5c31\u53ef\u4ee5\u50b3\u9001\u8cc7\u6599\uff0c\u4f46\u53ea\u6709\u55ae\u7d14\u7684\u50b3\u9001\u6216\u63a5\u6536\uff0c\u5982\u679c\u4f60\u7684\u88dd\u7f6e\u8981\u540c\u6642\u53ef\u4ee5\u50b3\u9001\u8207\u63a5\u6536\uff0c\u5c31\u5fc5\u9700\u8981\u67092\u689d\u8cc7\u6599\u7dda\u3002\u5047\u8a2d\u88dd\u7f6eA\u8981\u8207\u88dd\u7f6eB\u901a\u8a0a\uff0c\u4e14\u53ef\u4ee5\u50b3\u9001\u8207\u63a5\u6536\uff0c\u90a3\u88dd\u7f6eA\u7684\u50b3\u9001(TX)\u8981\u63a5\u5230\u88dd\u7f6eB\u7684\u63a5\u53d7(RX)\uff0c\u88dd\u7f6eA\u7684\u63a5\u6536(RX)\u8981\u63a5\u5230\u88dd\u7f6eB\u7684\u50b3\u9001(TX)(\u5982\u4e0b\u5716)<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/www.block.tw\/blog\/wp-content\/uploads\/arduino\/UART\/2UART.svg\" alt=\"\"\/><\/figure><\/div>\n\n\n\n<p><\/p>\n\n\n\n<section id=\"section-4f82d2d6-e601-43bc-aa9f-8b7f0edaa8e7\" class=\"wp-block-gutentor-tabs gutentor-section gutentor-tabs-wrapper tabs-template1 has-color-bg has-custom-bg tab-horizontal\"><div class=\"grid-container gutentor-rm-ct-space-d gutentor-rm-ct-space-t gutentor-rm-ct-space\"><div class=\"gutentor-tabs-container gutentor-grid-item-wrap\"><div class=\"gutentor-tabs tablist-left\"><span class=\"gutentor-tabs-list gutentor-single-item-0 gutentor-tab-active\" data-index=\"gutentor-single-item-0\"><div class=\"gutentor-single-item-tabs gutentor-single-item\">\u5165\u9580<\/div><\/span><span class=\"gutentor-tabs-list gutentor-single-item-1\" data-index=\"gutentor-single-item-1\"><div class=\"gutentor-single-item-tabs gutentor-single-item\">\u77e5\u8b58<\/div><\/span><span class=\"gutentor-tabs-list gutentor-single-item-2\" data-index=\"gutentor-single-item-2\"><div class=\"gutentor-single-item-tabs gutentor-single-item\">\u8a9e\u6cd5<\/div><\/span><span class=\"gutentor-tabs-list gutentor-single-item-3\" data-index=\"gutentor-single-item-3\"><div class=\"gutentor-single-item-tabs gutentor-single-item\">\u6d41\u7a0b<\/div><\/span><span class=\"gutentor-tabs-list gutentor-single-item-4\" data-index=\"gutentor-single-item-4\"><div class=\"gutentor-single-item-tabs gutentor-single-item\">\u51fd\u5f0f<\/div><\/span><span class=\"gutentor-tabs-list gutentor-single-item-5\" data-index=\"gutentor-single-item-5\"><div class=\"gutentor-single-item-tabs gutentor-single-item\">\u5be6\u7fd2<\/div><\/span><\/div><div class=\"gutentor-tabs-content-wrap text-left\"><div class=\"gutentor-single-item gutentor-tabs-content gutentor-single-item-0 gutentor-tab-content-active\"><div class=\"gutentor-single-item-tabs gutentor-single-item\"><div class=\"gutentor-single-item-content\"><p><a href=\"https:\/\/www.block.tw\/blog\/arduinoinfo\/\">Arduino \u7c21\u4ecb<\/a><br><a href=\"https:\/\/www.block.tw\/blog\/arduinoide\/\">\u6e96\u5099\u4f60\u7684 Arduino \u958b\u767c\u5de5\u5177<\/a><br><a href=\"https:\/\/www.block.tw\/blog\/start_esp-12ef\/\">\u6e96\u5099\u4f60\u7684 ESP12E\/F \u958b\u767c\u5de5\u5177<\/a><br><a href=\"https:\/\/www.block.tw\/blog\/arduino-uno-hardware\/\">Arduino Uno \u786c\u9ad4<\/a><br><a href=\"https:\/\/www.block.tw\/blog\/arduino-nano-pin\/\">Arduino nano \u786c\u9ad4<\/a><br><a href=\"https:\/\/www.block.tw\/blog\/esp-12fesp8266hardware\/\">ESP-12F(ESP8266)\u786c\u9ad4<\/a><br><a href=\"https:\/\/www.block.tw\/blog\/arduino-structure\/\">Arduino \u7a0b\u5f0f\u8a9e\u6cd5<\/a><br><a href=\"https:\/\/www.block.tw\/blog\/arduino-lib-zip\">\u532f\u5165 zip \u7a0b\u5f0f\u5eab<\/a> <br><\/p><\/div><\/div><\/div><div class=\"gutentor-single-item gutentor-tabs-content gutentor-single-item-1\"><div class=\"gutentor-single-item-tabs gutentor-single-item\"><div class=\"gutentor-single-item-content\"><p><a href=\"https:\/\/www.block.tw\/blog\/camel-case\/\">\u99dd\u5cf0\u5f0f\u547d\u540d\u6cd5<\/a><br><a href=\"https:\/\/www.block.tw\/blog\/uart\/\">UART \u4e32\u5217\u901a\u8a0a<\/a> <br><a href=\"https:\/\/www.block.tw\/blog\/arduino-pwm-control\/\">PWM\u63a7\u5236<\/a><br><a href=\"https:\/\/www.block.tw\/blog\/scankeyboard\/\">\u9375\u76e4\u6383\u63cf<\/a><br><a href=\"https:\/\/www.block.tw\/blog\/thingspeak_account\/\">ThingSpeak \u96f2\u7aef\u8cc7\u6599\u5eab \u5e33\u865f\u7533\u8acb<\/a><br><a href=\"https:\/\/www.block.tw\/blog\/thingspeak_setup\/\">ThingSpeak \u96f2\u7aef\u8cc7\u6599\u5eab \u8a2d\u5b9a<\/a><\/p><\/div><\/div><\/div><div class=\"gutentor-single-item gutentor-tabs-content gutentor-single-item-2\"><div class=\"gutentor-single-item-tabs gutentor-single-item\"><div class=\"gutentor-single-item-content\"><p><a href=\"https:\/\/www.block.tw\/blog\/arduino-decimal\" data-type=\"URL\" data-id=\"https:\/\/www.block.tw\/blog\/arduino-decimal\">Arduino \u9032\u5236\u8868\u793a<\/a><br><a href=\"https:\/\/www.block.tw\/blog\/arduino-array\/\">Arduino \u9663\u5217<\/a><br><a href=\"https:\/\/www.block.tw\/blog\/arduino-variable\/\">Arduino \u5e38\u6578\u8207\u8b8a\u6578<\/a><br><br><a href=\"https:\/\/www.block.tw\/blog\/arduino-arithmetic\/\">Arduino \u7b97\u6578\u904b\u7b97\u5b50<\/a><br><a href=\"https:\/\/www.block.tw\/blog\/arduino-compound-operator\/\">Arduino \u8907\u5408\u904b\u7b97\u5b50<\/a><br><a href=\"https:\/\/www.block.tw\/blog\/arduino-boolean\/\">Arduino \u5e03\u6797\u904b\u7b97\u5b50<\/a><br><a href=\"https:\/\/www.block.tw\/blog\/arduino-compare\/\">Arduino \u6bd4\u8f03\u904b\u7b97\u5b50<\/a><br><br><a href=\"https:\/\/www.block.tw\/blog\/arduino-ide-error\">Arduino IDE \u932f\u8aa4\u8a0a\u606f<\/a><\/p><\/div><\/div><\/div><div class=\"gutentor-single-item gutentor-tabs-content gutentor-single-item-3\"><div class=\"gutentor-single-item-tabs gutentor-single-item\"><div class=\"gutentor-single-item-content\"><p><a href=\"https:\/\/www.block.tw\/blog\/arduino-for\/\">Arduino for \u8ff4\u5708<\/a><br><a href=\"https:\/\/www.block.tw\/blog\/arduino-if\/\">Arduino if \u689d\u4ef6\u5224\u65b7<\/a><br><a href=\"https:\/\/www.block.tw\/blog\/arduino-switch\/\" data-type=\"URL\" data-id=\"https:\/\/www.block.tw\/blog\/arduino-switch\/\">Arduino switch \u9078\u64c7\u6307\u4ee4<\/a><br><a href=\"https:\/\/www.block.tw\/blog\/arduino-while\/\" data-type=\"URL\" data-id=\"https:\/\/www.block.tw\/blog\/arduino-while\/\">Arduino while \u8ff4\u5708<\/a><br><a href=\"https:\/\/www.block.tw\/blog\/arduino-do-while\">Arduino do while \u8ff4\u5708<\/a><\/p><\/div><\/div><\/div><div class=\"gutentor-single-item gutentor-tabs-content gutentor-single-item-4\"><div class=\"gutentor-single-item-tabs gutentor-single-item\"><div class=\"gutentor-single-item-content\"><p><a href=\"https:\/\/www.block.tw\/blog\/arduino-digital\/\">Arduino \u6578\u4f4dI\/O\u51fd\u5f0f<\/a><br><a href=\"https:\/\/www.block.tw\/blog\/arduino-%e9%a1%9e%e6%af%94i-o%e6%8c%87%e4%bb%a4\/\">Arduino \u985e\u6bd4I\/O\u51fd\u5f0f<\/a><br><a href=\"https:\/\/www.block.tw\/blog\/arduino-time\/\">Arduino \u6642\u9593\u51fd\u5f0f<\/a><br><a href=\"https:\/\/www.block.tw\/blog\/arduino-math\/\">Arduino \u6578\u5b78\u51fd\u5f0f<\/a><br><a href=\"https:\/\/www.block.tw\/blog\/arduino-communication\/\">Arduino \u901a\u8a0a\u7269\u4ef6\u51fd\u5f0f<\/a><br><a href=\"https:\/\/www.block.tw\/blog\/tone\" data-type=\"URL\" data-id=\"https:\/\/www.block.tw\/blog\/tone\">Arduino \u767c\u97f3\u51fd\u5f0f<\/a><br><a href=\"https:\/\/www.block.tw\/blog\/myfunction\/\">Arduino \u81ea\u5b9a\u51fd\u5f0f<\/a><\/p><\/div><\/div><\/div><div class=\"gutentor-single-item gutentor-tabs-content gutentor-single-item-5\"><div class=\"gutentor-single-item-tabs gutentor-single-item\"><div class=\"gutentor-single-item-content\"><p><a rel=\"noreferrer noopener\" href=\"https:\/\/www.block.tw\/blog\/arduino-output\/\" target=\"_blank\">Arduino \u8f38\u51fa\u5be6\u7fd2<\/a>(\u55ae\u71c8\u9583\u720d)<br><a rel=\"noreferrer noopener\" href=\"https:\/\/www.block.tw\/blog\/arduino-output-easy\" target=\"_blank\">Arduino \u8f38\u51fa\u5be6\u7fd2<\/a>(\u8dd1\u99ac\u71c8-\u611a\u516c\u79fb\u5c71)<br><a rel=\"noreferrer noopener\" href=\"https:\/\/www.block.tw\/blog\/arduino-output-for\/\" target=\"_blank\">Arduino \u8f38\u51fa\u5be6\u7fd2<\/a>(\u8dd1\u99ac\u71c8-for\u8ff4\u5708)<br><a href=\"https:\/\/www.block.tw\/blog\/arduino-digital-input\">Arduino \u6578\u4f4d\u8f38\u5165\u5be6\u7fd2<\/a><br><a href=\"https:\/\/www.block.tw\/blog\/input-pullup\/\">Arduino \u6578\u4f4d\u8f38\u5165\u5be6\u7fd2(INPUT_PULLUP)<\/a><br><a rel=\"noreferrer noopener\" href=\"https:\/\/www.block.tw\/blog\/arduino-alalog-input\" target=\"_blank\">Arduino \u985e\u6bd4\u8f38\u5165\u5be6\u7fd2<\/a><br><a rel=\"noreferrer noopener\" href=\"https:\/\/www.block.tw\/blog\/arduino-pwm\/\" data-type=\"URL\" data-id=\"https:\/\/www.block.tw\/blog\/arduino-pwm\/\" target=\"_blank\">Arduino PWM <\/a><a href=\"https:\/\/www.block.tw\/blog\/arduino-pwm\/\">\u5be6\u7fd2<\/a> (\u547c\u5438\u71c8)<br> <a rel=\"noreferrer noopener\" href=\"https:\/\/www.block.tw\/blog\/arduino-ldr-3led\/\" data-type=\"URL\" target=\"_blank\">Arduino PWM \u5be6\u7fd2<\/a> (\u5149\u611f\u61c9\u8abf\u5149\u71c8) <br><a rel=\"noreferrer noopener\" href=\"https:\/\/www.block.tw\/blog\/arduino-88-led-matrix-max7219\" data-type=\"URL\" data-id=\"https:\/\/www.block.tw\/blog\/arduino-88-led-matrix-max7219\" target=\"_blank\">Arduino 8&#215;8 LED Matrix MAX7219 \u5be6\u7fd2<\/a> <br><a rel=\"noreferrer noopener\" href=\"https:\/\/www.block.tw\/blog\/arduino-greenMan\" data-type=\"URL\" target=\"_blank\">Arduino \u7d05\u7da0\u71c8\u5c0f\u7da0\u4eba \u5be6\u7fd2<\/a> <br><a rel=\"noreferrer noopener\" href=\"https:\/\/www.block.tw\/blog\/88-led-matrix-max7219-clock\/\" data-type=\"URL\" data-id=\"https:\/\/www.block.tw\/blog\/88-led-matrix-max7219-clock\/\" target=\"_blank\">Arduino \u8a08\u6642\u5668 \u5be6\u7fd2<\/a><br><a rel=\"noreferrer noopener\" href=\"https:\/\/www.block.tw\/blog\/musicbox\" data-type=\"URL\" data-id=\"https:\/\/www.block.tw\/blog\/musicbox\" target=\"_blank\">Arduino \u97f3\u6a02\u76d2<\/a><br><a rel=\"noreferrer noopener\" href=\"https:\/\/www.block.tw\/blog\/keyboard\/\" data-type=\"URL\" data-id=\"https:\/\/www.block.tw\/blog\/keyboard\/\" target=\"_blank\">Arduino \u96fb\u5b50\u7434(\u9375\u76e4\u6383\u63cf)<\/a><br><a rel=\"noreferrer noopener\" href=\"https:\/\/www.block.tw\/blog\/dht11\/\" data-type=\"URL\" data-id=\"https:\/\/www.block.tw\/blog\/dht11\/\" target=\"_blank\">Arduino DHT11 \u6eab\u6fd5\u5ea6\u611f\u61c9\u5668<\/a><br><a rel=\"noreferrer noopener\" href=\"https:\/\/www.block.tw\/blog\/oled\/\" data-type=\"URL\" data-id=\"https:\/\/www.block.tw\/blog\/oled\/\" target=\"_blank\">Arduino OLED \u986f\u793a<\/a><br><span style=\"color: #0693e3;\" class=\"ugb-highlight\"><a href=\"https:\/\/www.block.tw\/blog\/arduino-hcsr04\/\">Arduino \u8d85\u97f3\u6ce2\u6e2c\u8ddd\u6a21\u7d44 HC-SR04<\/a><\/span><br><a href=\"https:\/\/www.block.tw\/blog\/arduino-runtime\/\">Arduino \u57f7\u884c\u6642\u9593\u5be6\u7fd2<\/a><br><a href=\"https:\/\/www.block.tw\/blog\/arduino-captest\/\">Arduino \u96fb\u5bb9\u6e2c\u8a66\u5668<\/a><br><a rel=\"noreferrer noopener\" href=\"https:\/\/www.block.tw\/blog\/arduino-irr\/\" target=\"_blank\">Arduino \u7d05\u5916\u7dda\u63a5\u6536\u5be6\u7fd2<\/a><br><a rel=\"noreferrer noopener\" href=\"https:\/\/www.block.tw\/blog\/arduino-irsend-epson\/\" target=\"_blank\">Arduino \u7d05\u5916\u7dda\u767c\u5c04\u5be6\u7fd2 EPSON \u6295\u5f71\u6a5f\u63a7\u5236 <\/a><br><a rel=\"noreferrer noopener\" href=\"https:\/\/www.block.tw\/blog\/esp12f-iot-plug-mqtt\" target=\"_blank\">ESP-12F \u7db2\u8def\u667a\u6167\u958b\u95dc(MQTT)<\/a><br><a rel=\"noreferrer noopener\" href=\"https:\/\/www.block.tw\/blog\/esp-12fesp8266-max31855-mqtt-thingspeak\" target=\"_blank\">ESP-12F \u96f2\u7aef\u8a18\u9304\u578b K-Type \u6eab\u5ea6\u8a08(MQTT  ThingSpeak)<\/a><br><a href=\"https:\/\/www.block.tw\/blog\/esp-12f-ircontrolbyphone\/\">ESP-12F \u624b\u6a5f\u96f2\u7aef\u7d05\u5916\u7dda\u63a7\u5236<\/a><br><a href=\"https:\/\/www.block.tw\/blog\/esp-12f-webradio\" data-type=\"URL\" data-id=\"https:\/\/www.block.tw\/blog\/esp-12f-webradio\">ESP-12F \u7db2\u8def\u96fb\u53f0\u6536\u97f3\u6a5f<\/a><br><a href=\"https:\/\/www.block.tw\/blog\/esp12f-edrum\">ESP-12F \u96fb\u5b50\u9f13<\/a><\/p><\/div><\/div><\/div><\/div><\/div><\/div><\/section>\n","protected":false},"excerpt":{"rendered":"<p>\u4e32\u5217\u901a\u8a0a \u4e32\u5217\u901a\u8a0a\u5c31\u662f1\u6b21\u53ea\u50b3\u90011\u4f4d\u5143\u7684\u8cc7\u6599\uff0c \u5047\u8a2d1 byte(8 bit) \u7684\u8cc7\u6599\u8981\u50b3\u9001\u5230\u5c0d\u65b9\uff0c\u5982\u679c\u60f3\u8981\u4e00&hellip; <br \/> <a class=\"read-more\" href=\"https:\/\/www.block.tw\/blog\/uart\/\">Read more<\/a><\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[72,3],"tags":[15,53,74],"class_list":["post-2277","post","type-post","status-publish","format-standard","hentry","category-knowledge","category-mcu","tag-arduino","tag-uart","tag-74"],"gutentor_comment":0,"featured_image_urls":{"full":"","thumbnail":"","medium":"","medium_large":"","large":"","1536x1536":"","2048x2048":"","post-thumbnail":"","mesmerize-full-hd":""},"post_excerpt_stackable":"<p>\u4e32\u5217\u901a\u8a0a \u4e32\u5217\u901a\u8a0a\u5c31\u662f1\u6b21\u53ea\u50b3\u90011\u4f4d\u5143\u7684\u8cc7\u6599\uff0c \u5047\u8a2d1 byte(8 bit) \u7684\u8cc7\u6599\u8981\u50b3\u9001\u5230\u5c0d\u65b9\uff0c\u5982\u679c\u60f3\u8981\u4e00\u6b21\u5c31\u628a 8 bit \u90fd\u9001\u904e\u53bb(\u4e26\u5217)\uff0c\u5c31\u81f3\u5c11\u9700\u8981 8 \u689d\u8cc7\u6599\u7dda\u7684\u96fb\u8def\u9023\u7dda\uff0c\u4f46\u5982\u679c\u4f7f\u7528\u4e32\u5217\u901a&#8230;<\/p>\n","category_list":"<a href=\"https:\/\/www.block.tw\/blog\/category\/mcu\/knowledge\/\" rel=\"category tag\">Arduino \u76f8\u95dc\u77e5\u8b58<\/a>, <a href=\"https:\/\/www.block.tw\/blog\/category\/mcu\/\" rel=\"category tag\">\u5fae\u8655\u7406\u6a5f<\/a>","author_info":{"name":"mcu","url":"https:\/\/www.block.tw\/blog\/author\/mcu\/"},"comments_num":"0 comments","featured_image_urls_v2":{"full":"","thumbnail":"","medium":"","medium_large":"","large":"","1536x1536":"","2048x2048":"","post-thumbnail":"","mesmerize-full-hd":""},"post_excerpt_stackable_v2":"<p>\u4e32\u5217\u901a\u8a0a \u4e32\u5217\u901a\u8a0a\u5c31\u662f1\u6b21\u53ea\u50b3\u90011\u4f4d\u5143\u7684\u8cc7\u6599\uff0c \u5047\u8a2d1 byte(8 bit) \u7684\u8cc7\u6599\u8981\u50b3\u9001\u5230\u5c0d\u65b9\uff0c\u5982\u679c\u60f3\u8981\u4e00\u6b21\u5c31\u628a 8 bit \u90fd\u9001\u904e\u53bb(\u4e26\u5217)\uff0c\u5c31\u81f3\u5c11\u9700\u8981 8 \u689d\u8cc7\u6599\u7dda\u7684\u96fb\u8def\u9023\u7dda\uff0c\u4f46\u5982\u679c\u4f7f\u7528\u4e32\u5217\u901a&#8230;<\/p>\n","category_list_v2":"<a href=\"https:\/\/www.block.tw\/blog\/category\/mcu\/knowledge\/\" rel=\"category tag\">Arduino \u76f8\u95dc\u77e5\u8b58<\/a>, <a href=\"https:\/\/www.block.tw\/blog\/category\/mcu\/\" rel=\"category tag\">\u5fae\u8655\u7406\u6a5f<\/a>","author_info_v2":{"name":"mcu","url":"https:\/\/www.block.tw\/blog\/author\/mcu\/"},"comments_num_v2":"0 comments","_links":{"self":[{"href":"https:\/\/www.block.tw\/blog\/wp-json\/wp\/v2\/posts\/2277","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.block.tw\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.block.tw\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.block.tw\/blog\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.block.tw\/blog\/wp-json\/wp\/v2\/comments?post=2277"}],"version-history":[{"count":20,"href":"https:\/\/www.block.tw\/blog\/wp-json\/wp\/v2\/posts\/2277\/revisions"}],"predecessor-version":[{"id":2429,"href":"https:\/\/www.block.tw\/blog\/wp-json\/wp\/v2\/posts\/2277\/revisions\/2429"}],"wp:attachment":[{"href":"https:\/\/www.block.tw\/blog\/wp-json\/wp\/v2\/media?parent=2277"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.block.tw\/blog\/wp-json\/wp\/v2\/categories?post=2277"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.block.tw\/blog\/wp-json\/wp\/v2\/tags?post=2277"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}