{"id":1003304,"date":"2024-12-27T10:16:10","date_gmt":"2024-12-27T02:16:10","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1003304.html"},"modified":"2024-12-27T10:16:12","modified_gmt":"2024-12-27T02:16:12","slug":"python%e5%a6%82%e4%bd%95%e6%8e%a7%e5%88%b6led%e7%81%af","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1003304.html","title":{"rendered":"python\u5982\u4f55\u63a7\u5236led\u706f"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25080718\/5003445b-5858-439e-881c-e869c3857792.webp\" alt=\"python\u5982\u4f55\u63a7\u5236led\u706f\" \/><\/p>\n<p><p> \u5f00\u5934\u6bb5\u843d\uff1a<br \/>\u8981\u5728Python\u4e2d\u63a7\u5236LED\u706f\uff0c\u53ef\u4ee5<strong>\u4f7f\u7528\u6811\u8393\u6d3e\u3001Arduino\u6216ESP8266\u7b49\u5fae\u63a7\u5236\u5668\u5e73\u53f0\u3001\u5229\u7528Python\u5e93\u5982GPIO Zero\u3001RPi.GPIO\u6216pyFirmata<\/strong>\u3002\u5176\u4e2d\uff0c\u4f7f\u7528\u6811\u8393\u6d3e\u548cGPIO Zero\u5e93\u662f\u4e00\u79cd\u975e\u5e38\u6d41\u884c\u7684\u65b9\u6cd5\uff0c\u56e0\u4e3a\u5b83\u65e2\u7b80\u5355\u53c8\u529f\u80fd\u5f3a\u5927\u3002\u4e3a\u4e86\u63a7\u5236LED\u706f\uff0c\u9996\u5148\u9700\u8981\u5c06LED\u706f\u6b63\u786e\u8fde\u63a5\u5230\u6811\u8393\u6d3e\u7684GPIO\u5f15\u811a\u4e0a\uff0c\u7136\u540e\u4f7f\u7528GPIO Zero\u5e93\u7f16\u5199Python\u811a\u672c\u6765\u63a7\u5236\u706f\u7684\u5f00\u5173\u72b6\u6001\u3002GPIO Zero\u5e93\u901a\u8fc7\u7b80\u5355\u7684\u8bed\u6cd5\u548c\u51fd\u6570\u8c03\u7528\uff0c\u6781\u5927\u5730\u7b80\u5316\u4e86\u786c\u4ef6\u63a7\u5236\u7684\u590d\u6742\u6027\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528Python\u63a7\u5236LED\u706f\u7684\u6b65\u9aa4\u548c\u6ce8\u610f\u4e8b\u9879\u3002<\/p>\n<\/p>\n<p><p>\u4e00\u3001\u6811\u8393\u6d3e\u53caGPIO Zero\u5e93<\/p>\n<\/p>\n<p><p>\u6811\u8393\u6d3e\u662f\u4e00\u79cd\u5e7f\u6cdb\u4f7f\u7528\u7684\u5fae\u578b\u8ba1\u7b97\u673a\uff0c\u5177\u5907\u591a\u79cdGPIO\u5f15\u811a\uff0c\u53ef\u4ee5\u76f4\u63a5\u7528\u4e8e\u63a7\u5236LED\u706f\u3002GPIO Zero\u5e93\u662f\u6811\u8393\u6d3e\u7684\u5b98\u65b9\u5e93\u4e4b\u4e00\uff0c\u4e13\u4e3aPython\u8bbe\u8ba1\uff0c\u7b80\u5316\u4e86\u4e0e\u786c\u4ef6\u7684\u4ea4\u4e92\u3002<\/p>\n<\/p>\n<ol>\n<li>\n<p>\u5b89\u88c5GPIO Zero\u5e93<br \/>\u5728Raspberry Pi OS\u4e2d\uff0c\u901a\u5e38\u5df2\u7ecf\u9884\u88c5\u4e86GPIO Zero\u5e93\u3002\u5982\u679c\u6ca1\u6709\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u8fdb\u884c\u5b89\u88c5\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-bash\">sudo apt update<\/p>\n<p>sudo apt install python3-gpiozero<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u53ef\u4ee5\u901a\u8fc7Python\u811a\u672c\u8f7b\u677e\u8c03\u7528\u8be5\u5e93\u7684\u529f\u80fd\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p>\u8fde\u63a5LED\u706f<br \/>\u5c06LED\u706f\u7684\u6b63\u6781\uff08\u8f83\u957f\u7684\u5f15\u811a\uff09\u8fde\u63a5\u5230\u6811\u8393\u6d3e\u7684\u4efb\u610fGPIO\u5f15\u811a\uff0c\u8d1f\u6781\uff08\u8f83\u77ed\u7684\u5f15\u811a\uff09\u8fde\u63a5\u5230\u4e00\u4e2a\u7535\u963b\uff0c\u518d\u8fde\u63a5\u5230\u6811\u8393\u6d3e\u7684GND\u5f15\u811a\u3002\u7535\u963b\u7684\u4f5c\u7528\u662f\u9650\u5236\u7535\u6d41\uff0c\u4ee5\u514d\u70e7\u574fLED\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p>\u7f16\u5199\u63a7\u5236\u811a\u672c<br \/>\u4f7f\u7528GPIO Zero\u5e93\u53ef\u4ee5\u7b80\u5355\u5730\u901a\u8fc7Python\u811a\u672c\u63a7\u5236LED\u7684\u4eae\u706d\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u5f00\u5173\u63a7\u5236\u793a\u4f8b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">from gpiozero import LED<\/p>\n<p>from time import sleep<\/p>\n<p>led = LED(17)  # \u5047\u8bbeLED\u8fde\u63a5\u5230GPIO17\u5f15\u811a<\/p>\n<p>while True:<\/p>\n<p>    led.on()<\/p>\n<p>    sleep(1)<\/p>\n<p>    led.off()<\/p>\n<p>    sleep(1)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4e0a\u8ff0\u811a\u672c\u5c06\u6bcf\u9694\u4e00\u79d2\u949f\u5207\u6362\u4e00\u6b21LED\u7684\u72b6\u6001\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n<p><p>\u4e8c\u3001Arduino\u53capyFirmata\u5e93<\/p>\n<\/p>\n<p><p>Arduino\u662f\u53e6\u4e00\u79cd\u6d41\u884c\u7684\u5fae\u63a7\u5236\u5668\u5e73\u53f0\uff0c\u9002\u5408\u7528\u4e8e\u63a7\u5236LED\u7b49\u7b80\u5355\u8bbe\u5907\u3002\u901a\u8fc7pyFirmata\u5e93\uff0cPython\u53ef\u4ee5\u4e0eArduino\u8fdb\u884c\u901a\u4fe1\u3002<\/p>\n<\/p>\n<ol>\n<li>\n<p>\u8bbe\u7f6eArduino\u73af\u5883<br \/>\u5b89\u88c5Arduino IDE\u5e76\u4e0a\u4f20Firmata\u56fa\u4ef6\u5230Arduino\u677f\u4e0a\u3002Firmata\u56fa\u4ef6\u5141\u8bb8Arduino\u901a\u8fc7\u6807\u51c6\u534f\u8bae\u4e0e\u5916\u90e8\u8f6f\u4ef6\u901a\u4fe1\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p>\u5b89\u88c5pyFirmata\u5e93<br \/>\u5728Python\u73af\u5883\u4e2d\u5b89\u88c5pyFirmata\u5e93\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-bash\">pip install pyfirmata<\/p>\n<p><\/code><\/pre>\n<\/p>\n<\/li>\n<li>\n<p>\u8fde\u63a5LED\u706f<br \/>\u5c06LED\u706f\u7684\u6b63\u6781\u8fde\u63a5\u5230Arduino\u7684\u6570\u5b57\u5f15\u811a\uff08\u5982D13\uff09\uff0c\u8d1f\u6781\u8fde\u63a5\u5230GND\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p>\u7f16\u5199\u63a7\u5236\u811a\u672c<br \/>\u4f7f\u7528pyFirmata\u5e93\u63a7\u5236LED\u7684Python\u811a\u672c\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">from pyfirmata import Arduino, util<\/p>\n<p>from time import sleep<\/p>\n<p>board = Arduino(&#39;\/dev\/ttyACM0&#39;)  # \u6839\u636e\u5b9e\u9645\u7aef\u53e3\u66f4\u6539<\/p>\n<p>while True:<\/p>\n<p>    board.digital[13].write(1)<\/p>\n<p>    sleep(1)<\/p>\n<p>    board.digital[13].write(0)<\/p>\n<p>    sleep(1)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8be5\u811a\u672c\u5c06\u6bcf\u79d2\u949f\u5207\u6362\u4e00\u6b21LED\u7684\u72b6\u6001\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n<p><p>\u4e09\u3001ESP8266\u53caMicroPython<\/p>\n<\/p>\n<p><p>ESP8266\u662f\u4e00\u79cd\u4f4e\u6210\u672c\u7684Wi-Fi\u5fae\u63a7\u5236\u5668\uff0c\u53ef\u4ee5\u901a\u8fc7MicroPython\u63a7\u5236LED\u706f\u3002MicroPython\u662fPython\u7684\u4e00\u79cd\u5b9e\u73b0\uff0c\u4e13\u4e3a\u5fae\u63a7\u5236\u5668\u8bbe\u8ba1\u3002<\/p>\n<\/p>\n<ol>\n<li>\n<p>\u5b89\u88c5MicroPython\u56fa\u4ef6<br \/>\u4f7f\u7528\u5de5\u5177\uff08\u5982esptool\uff09\u5c06MicroPython\u56fa\u4ef6\u70e7\u5f55\u5230ESP8266\u4e0a\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p>\u7f16\u5199\u63a7\u5236\u811a\u672c<br \/>\u5c06LED\u8fde\u63a5\u5230ESP8266\u7684GPIO\u5f15\u811a\u3002\u901a\u8fc7MicroPython\u7f16\u5199\u63a7\u5236\u811a\u672c\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import machine<\/p>\n<p>import time<\/p>\n<p>led = machine.Pin(2, machine.Pin.OUT)  # \u5047\u8bbeLED\u8fde\u63a5\u5230GPIO2<\/p>\n<p>while True:<\/p>\n<p>    led.on()<\/p>\n<p>    time.sleep(1)<\/p>\n<p>    led.off()<\/p>\n<p>    time.sleep(1)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u4e2a\u811a\u672c\u540c\u6837\u6bcf\u79d2\u949f\u5207\u6362\u4e00\u6b21LED\u7684\u72b6\u6001\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n<p><p>\u56db\u3001\u6ce8\u610f\u4e8b\u9879\u53ca\u6700\u4f73\u5b9e\u8df5<\/p>\n<\/p>\n<p><p>\u5728\u4f7f\u7528Python\u63a7\u5236LED\u706f\u65f6\uff0c\u6709\u4e00\u4e9b\u6ce8\u610f\u4e8b\u9879\u548c\u6700\u4f73\u5b9e\u8df5\u9700\u8981\u9075\u5faa\uff0c\u4ee5\u786e\u4fdd\u8bbe\u5907\u7684\u5b89\u5168\u548c\u4ee3\u7801\u7684\u53ef\u9760\u6027\u3002<\/p>\n<\/p>\n<ol>\n<li>\n<p>\u4f7f\u7528\u5408\u9002\u7684\u7535\u963b<br \/>\u59cb\u7ec8\u5728LED\u706f\u56de\u8def\u4e2d\u4e32\u8054\u5408\u9002\u7684\u7535\u963b\uff0c\u4ee5\u9650\u5236\u7535\u6d41\u5e76\u9632\u6b62LED\u635f\u574f\u3002\u901a\u5e38220\u6b27\u59c6\u5230470\u6b27\u59c6\u7684\u7535\u963b\u9002\u7528\u4e8e\u5927\u591a\u6570LED\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p>\u786e\u4fdd\u8fde\u63a5\u6b63\u786e<br \/>\u5728\u8fde\u63a5LED\u706f\u548c\u5fae\u63a7\u5236\u5668\u65f6\uff0c\u786e\u4fdd\u5f15\u811a\u8fde\u63a5\u6b63\u786e\uff0c\u6b63\u8d1f\u6781\u4e0d\u80fd\u63a5\u53cd\u3002\u8fd9\u4e0d\u4ec5\u4fdd\u62a4LED\uff0c\u4e5f\u4fdd\u62a4\u5fae\u63a7\u5236\u5668\u4e0d\u53d7\u635f\u574f\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p>\u4f7f\u7528\u5f02\u5e38\u5904\u7406<br \/>\u5728Python\u811a\u672c\u4e2d\u4f7f\u7528\u5f02\u5e38\u5904\u7406\u673a\u5236\uff0c\u786e\u4fdd\u5728\u7a0b\u5e8f\u51fa\u73b0\u9519\u8bef\u65f6\u6b63\u786e\u91ca\u653e\u8d44\u6e90\u3002\u5bf9\u4e8eGPIO Zero\uff0c\u53ef\u4ee5\u4f7f\u7528try-finally\u7ed3\u6784\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">try:<\/p>\n<p>    # \u63a7\u5236\u4ee3\u7801<\/p>\n<p>finally:<\/p>\n<p>    led.close()  # \u91ca\u653e\u8d44\u6e90<\/p>\n<p><\/code><\/pre>\n<\/p>\n<\/li>\n<li>\n<p>\u4f18\u5316\u6027\u80fd<br \/>\u5728\u590d\u6742\u5e94\u7528\u4e2d\uff0c\u53ef\u80fd\u9700\u8981\u4f18\u5316Python\u4ee3\u7801\u7684\u6027\u80fd\u3002\u4f7f\u7528\u5408\u9002\u7684\u6570\u636e\u7ed3\u6784\u3001\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u8ba1\u7b97\u548cI\/O\u64cd\u4f5c\u7b49\u90fd\u662f\u63d0\u5347\u6027\u80fd\u7684\u6709\u6548\u65b9\u6cd5\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n<p><p>\u901a\u8fc7\u4ee5\u4e0a\u65b9\u6cd5\u548c\u6ce8\u610f\u4e8b\u9879\uff0c\u60a8\u53ef\u4ee5\u5728Python\u73af\u5883\u4e2d\u6709\u6548\u5730\u63a7\u5236LED\u706f\uff0c\u5b9e\u73b0\u4ece\u7b80\u5355\u7684\u5f00\u5173\u63a7\u5236\u5230\u590d\u6742\u7684\u706f\u5149\u6548\u679c\u3002\u65e0\u8bba\u662f\u4f7f\u7528\u6811\u8393\u6d3e\u3001Arduino\u8fd8\u662fESP8266\uff0c\u8fd9\u4e9b\u6280\u672f\u90fd\u80fd\u5e2e\u52a9\u60a8\u8f7b\u677e\u5b9e\u73b0\u786c\u4ef6\u4ea4\u4e92\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u4f7f\u7528Python\u63a7\u5236LED\u706f\uff1f<\/strong><br \/>\u8981\u4f7f\u7528Python\u63a7\u5236LED\u706f\uff0c\u901a\u5e38\u9700\u8981\u501f\u52a9\u6811\u8393\u6d3e\u6216Arduino\u7b49\u786c\u4ef6\u5e73\u53f0\u3002\u901a\u8fc7GPIO\u5e93\uff0c\u4f60\u53ef\u4ee5\u76f4\u63a5\u4e0eLED\u706f\u8fde\u63a5\u5e76\u8fdb\u884c\u63a7\u5236\u3002\u9996\u5148\uff0c\u786e\u4fdd\u4f60\u6709\u6b63\u786e\u7684\u786c\u4ef6\u8fde\u63a5\uff0c\u7136\u540e\u5b89\u88c5\u76f8\u5e94\u7684\u5e93\uff08\u5982RPi.GPIO\u6216pyFirmata\uff09\uff0c\u4fbf\u53ef\u4ee5\u7f16\u5199\u4ee3\u7801\u6765\u63a7\u5236LED\u7684\u5f00\u5173\u3001\u95ea\u70c1\u7b49\u529f\u80fd\u3002<\/p>\n<p><strong>\u4f7f\u7528\u6811\u8393\u6d3e\u63a7\u5236LED\u706f\u9700\u8981\u54ea\u4e9b\u786c\u4ef6\uff1f<\/strong><br \/>\u63a7\u5236LED\u706f\u4e00\u822c\u9700\u8981\u6811\u8393\u6d3e\u3001LED\u706f\u3001\u9002\u5f53\u7684\u7535\u963b\u548c\u8fde\u63a5\u7ebf\u3002\u901a\u5e38\u9009\u62e9220\u03a9\u7684\u7535\u963b\u6765\u4fdd\u62a4LED\uff0c\u9632\u6b62\u8fc7\u6d41\u635f\u574f\u3002\u540c\u65f6\uff0c\u786e\u4fdd\u6709\u9762\u5305\u677f\u6216\u5176\u4ed6\u8fde\u63a5\u5de5\u5177\u4ee5\u7b80\u5316\u7535\u8def\u642d\u5efa\u3002<\/p>\n<p><strong>Python\u63a7\u5236LED\u706f\u7684\u5e38\u89c1\u5e94\u7528\u573a\u666f\u6709\u54ea\u4e9b\uff1f<\/strong><br \/>Python\u63a7\u5236LED\u706f\u7684\u5e94\u7528\u573a\u666f\u975e\u5e38\u5e7f\u6cdb\uff0c\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\u5236\u4f5c\u7b80\u5355\u7684\u95ea\u70c1\u706f\u3001\u5b9e\u73b0\u73af\u5883\u6307\u793a\u706f\u3001\u8fdb\u884c\u4fe1\u53f7\u4f20\u9012\u6216\u4e0e\u4f20\u611f\u5668\u7ed3\u5408\u5b9e\u73b0\u66f4\u590d\u6742\u7684\u4ea4\u4e92\u3002\u901a\u8fc7\u7f16\u7a0b\uff0c\u4f60\u53ef\u4ee5\u6839\u636e\u4e0d\u540c\u7684\u8f93\u5165\u4fe1\u53f7\uff0c\u63a7\u5236LED\u706f\u4ee5\u8fbe\u5230\u4e0d\u540c\u7684\u6548\u679c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5f00\u5934\u6bb5\u843d\uff1a\u8981\u5728Python\u4e2d\u63a7\u5236LED\u706f\uff0c\u53ef\u4ee5\u4f7f\u7528\u6811\u8393\u6d3e\u3001Arduino\u6216ESP8266\u7b49\u5fae\u63a7\u5236\u5668\u5e73\u53f0\u3001\u5229\u7528P [&hellip;]","protected":false},"author":3,"featured_media":1003312,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1003304"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=1003304"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1003304\/revisions"}],"predecessor-version":[{"id":1003314,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1003304\/revisions\/1003314"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1003312"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1003304"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1003304"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1003304"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}