{"id":1181,"date":"2022-03-25T14:08:01","date_gmt":"2022-03-25T06:08:01","guid":{"rendered":"https:\/\/104.es\/?p=1181"},"modified":"2022-03-25T14:08:01","modified_gmt":"2022-03-25T06:08:01","slug":"raspberry-pi-led-output","status":"publish","type":"post","link":"https:\/\/104.es\/index.php\/2022\/03\/25\/raspberry-pi-led-output\/","title":{"rendered":"\u6a39\u8393\u6d3e\u9023\u63a5\u5916\u90e8LED\u6e2c\u8a66"},"content":{"rendered":"\n<p>\u4f7f\u7528\u6a39\u8393\u6d3e\u6700\u5927\u7684\u597d\u8655\u9664\u4e86\u5b83\u662f\u4e00\u90e8\u975e\u5e38\u4fbf\u5b9c\u7684\u96fb\u8166\u4e4b\u5916\uff0c\u6700\u91cd\u8981\u7684\u662f\u6709\u8a31\u591a\u7684\u9023\u63a5\u57e0\u53ef\u4ee5\u9023\u5230\u5916\u90e8\u7684\u96fb\u8def\u6216\u611f\u6e2c\u88dd\u7f6e\uff0c\u8b93\u6211\u5011\u900f\u904e\u7a0b\u5f0f\u53bb\u63a5\u6536\u9019\u4e9b\u611f\u6e2c\u5668\u7684\u503c\uff0c\u6216\u662f\u63a7\u5236\u5916\u90e8\u7684\u96fb\u5b50\u88dd\u7f6e\uff0c\u800c\u4e14\uff0c\u56e0\u70ba\u5b83\u672c\u8eab\u662f\u4e00\u500b\u5b8c\u6574\u7684\u4f5c\u696d\u7cfb\u7d71\uff0c\u56e0\u6b64\u53ef\u4ee5\u4f7f\u7528\u4efb\u4f55\u60a8\u719f\u6089\u7684\u7a0b\u5f0f\u8a9e\u8a00\u4f86\u4f5c\u70ba\u63a7\u5236\u7a0b\u5f0f\u958b\u767c\u5de5\u5177\u3002\u672c\u7bc7\u6587\u7ae0\u5c31\u5229\u7528\u6700\u597d\u7528\u7684Python\u4f86\u4f5c\u70ba\u793a\u7bc4\u3002<\/p>\n\n\n\n<p>\u8981\u5728\u6a39\u8393\u6d3e\u4e0a\u9032\u884c\u5916\u90e8\u96fb\u8def\u7684\u63a7\u5236\uff0c\u4e00\u958b\u59cb\u8981\u77ad\u89e3\u5982\u4f55\u53bb\u64cd\u4f5c\u9019\u4e9b\u63a5\u8173\uff0c\u4ee5\u53ca\u9019\u4e9b\u63a5\u8173\u5206\u5225\u4ee3\u8868\u7684\u662f\u4ec0\u9ebc\u610f\u601d\uff0c\u5728\u82f1\u6587\u6211\u5011\u628a\u5b83\u5011\u53eb\u505apinout\uff0c\u6a39\u8393\u6d3e\uff083B+\uff09\u7684pinout\u5982\u4e0b\uff1a<\/p>\n\n\n\n<p>https:\/\/pinout.xyz\/<\/p>\n\n\n\n<p>\u5728\u9019\u5f35pinout\u7684\u5716\u4e2d\uff0c\u4e2d\u9593\u63a5\u9ede\u7684\u865f\u78bc\u6307\u7684\u662f\u5728\u677f\u5b50\u4e0a\u7684\u5be6\u969b\u7de8\u865f\uff0c\u6211\u5011\u7a31\u70baBOARD\uff0c\u800c\u5728\u65c1\u908a\u7684\u8aaa\u660e\u5247\u662f\u5b83\u5728CPU\u4e0a\u6240\u5c0d\u61c9\u7684\u7de8\u865f\uff08\u6216\u540d\u7a31\uff09\uff0c\u7a31\u70baBCM\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u8f38\u51fa\u4fe1\u865f\u5230LED\u7684\u7c21\u6613Python\u7a0b\u5f0f\uff08led-test.py\uff09\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import time\nimport RPi.GPIO as GPIO\nGPIO.setmode(GPIO.BCM)\nGPIO.setup(17, GPIO.OUT)\nfor i in range(100):\n    GPIO.output(17, 1)\n    time.sleep(0.1)\n    GPIO.output(17, 0)\n    time.sleep(0.1)<\/code><\/pre>\n\n\n\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u628aLED\u7684\u9577\u8173\uff08\u6b63\u6975\uff09\u63a5\u5230\u9650\u6d41\u96fb\u963b\u4e4b\u5f8c\u518d\u9023\u63a5\u5230\u6a39\u8393\u6d3e\u7684GPIO17\uff08\u677f\u5b50\u63a5\u8173\u7de8\u865f11\uff09\uff0c\u800cLED\u7684\u77ed\u8173\uff08\u8ca0\u6975\uff09\u76f4\u63a5\u63a5\u5230GND\uff08\u4efb\u4f55\u4e00\u500bGND\u7684\u63a5\u8173\u90fd\u53ef\u4ee5\uff0c\u5728\u6b64\u4f8b\u4e2d\u6211\u5011\u628a\u5b83\u9023\u63a5\u5230\u677f\u5b50\u4e0a\u7de8\u865f9\uff09\uff0c\u5982\u4e0b\u5716\u6240\u793a\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"http:\/\/104es.nkust.org\/wp-content\/uploads\/2022\/03\/310825.jpg?w=1024\" alt=\"\" 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