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1. \u900f\u4f20\u6a21\u5f0f\u7684\u5de5\u4f5c\u539f\u7406\u4e0e\u5e95\u5c42\u903b\u8f91<\/h3>\n

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\u63d0\u793a：\u5728\u900f\u4f20\u6a21\u5f0f\u4e0b，ESP8266\u4e0d\u4f1a\u81ea\u52a8\u5904\u7406\u7f51\u7edc\u5f02\u5e38\u3002\u5982\u679cTCP\u8fde\u63a5\u65ad\u5f00，\u6a21\u5757\u53ef\u80fd\u4e0d\u4f1a\u901a\u77e5\u4e32\u53e3\u7aef，\u5bfc\u81f4\u6570\u636e\u4e22\u5931\u3002\u5efa\u8bae\u5728\u5e94\u7528\u4e2d\u5b9a\u671f\u53d1\u9001\u5fc3\u8df3\u6570\u636e，\u5e76\u76d1\u63a7\u8fde\u63a5\u72b6\u6001\u3002<\/p>\n

2. ESP8266\u7684AT\u6307\u4ee4\u96c6\u4e0e\u900f\u4f20\u914d\u7f6e<\/h3>\n

AT\u6307\u4ee4（Attention Commands）\u662f\u63a7\u5236ESP8266\u6a21\u5757\u7684\u6838\u5fc3\u63a5\u53e3，\u8fd9\u4e9b\u6587\u672c\u547d\u4ee4\u901a\u8fc7\u4e32\u53e3\u53d1\u9001，\u5141\u8bb8\u5f00\u53d1\u8005\u914d\u7f6e\u6a21\u5757\u7684\u5404\u79cd\u53c2\u6570\u548c\u884c\u4e3a\u3002\u5bf9\u4e8e\u900f\u4f20\u6a21\u5f0f，\u5173\u952e\u7684AT\u6307\u4ee4\u5305\u62ec\u7f51\u7edc\u8bbe\u7f6e\u3001\u8fde\u63a5\u7ba1\u7406\u548c\u6570\u636e\u53d1\u9001\u547d\u4ee4\u3002\u7406\u89e3\u8fd9\u4e9b\u6307\u4ee4\u7684\u7528\u6cd5\u548c\u53c2\u6570，\u662f\u9ad8\u6548\u5229\u7528\u900f\u4f20\u6a21\u5f0f\u7684\u57fa\u7840\u3002\u672c\u8282\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u76f8\u5173\u6307\u4ee4，\u5e76\u63d0\u4f9b\u5b9e\u64cd\u793a\u4f8b，\u5e2e\u52a9\u8bfb\u8005\u5feb\u901f\u4e0a\u624b\u3002<\/p>\n

\u9996\u5148，\u6a21\u5757\u9700\u8981\u521d\u59cb\u5316\u5e76\u8bbe\u7f6eWi-Fi\u6a21\u5f0f\u3002\u5e38\u7528\u6307\u4ee4\u5305\u62ec：<\/p>\n

    \n
  • AT+RST：\u91cd\u542f\u6a21\u5757，\u6062\u590d\u51fa\u5382\u8bbe\u7f6e，\u786e\u4fdd\u72b6\u6001\u5e72\u51c0\u3002<\/li>\n
  • AT+CWMODE=<mode>：\u8bbe\u7f6eWi-Fi\u6a21\u5f0f（1=station, 2=AP, 3=station+AP）\u3002\u5bf9\u4e8e\u900f\u4f20\u901a\u4fe1，\u901a\u5e38\u4f7f\u7528\u6a21\u5f0f1\u62163，\u4f7f\u6a21\u5757\u4f5c\u4e3a\u5ba2\u6237\u7aef\u8fde\u63a5\u73b0\u6709\u7f51\u7edc\u3002<\/li>\n
  • AT+CWJAP="ssid","password"：\u8fde\u63a5\u6307\u5b9aSSID\u7684Wi-Fi\u7f51\u7edc\u3002\u8fd9\u662f\u5efa\u7acb\u7f51\u7edc\u8fde\u63a5\u7684\u524d\u63d0\u3002<\/li>\n<\/ul>\n

    \u4f8b\u5982，\u4ee5\u4e0b\u6307\u4ee4\u5e8f\u5217\u914d\u7f6e\u6a21\u5757\u8fde\u63a5\u5230\u4e00\u4e2a\u540d\u4e3a"MyNetwork"\u7684Wi-Fi：<\/p>\n

    AT+RST
    \nAT+CWMODE=1
    \nAT+CWJAP="MyNetwork","myPassword"<\/p>\n

    \u6267\u884c\u540e，\u6a21\u5757\u8fd4\u56de"OK"\u8868\u793a\u6210\u529f，\u6b64\u65f6\u6a21\u5757\u5df2\u83b7\u53d6IP\u5730\u5740，\u53ef\u4ee5\u53d1\u8d77\u7f51\u7edc\u8fde\u63a5\u3002<\/p>\n

    \u63a5\u4e0b\u6765，\u9700\u8981\u5efa\u7acbTCP\u8fde\u63a5\u3002\u6307\u4ee4AT+CIPSTART="TCP","server_ip",port\u7528\u4e8e\u6307\u5b9a\u76ee\u6807\u670d\u52a1\u5668\u3002\u4f8b\u5982，\u8fde\u63a5\u5230\u4e00\u4e2aIP\u4e3a192.168.1.100\u3001\u7aef\u53e38080\u7684\u670d\u52a1\u5668：<\/p>\n

    AT+CIPSTART="TCP","192.168.1.100",8080<\/p>\n

    \u6210\u529f\u8fde\u63a5\u540e，\u6a21\u5757\u8fd4\u56de"CONNECT"，\u8868\u660eTCP\u94fe\u8def\u5df2\u5c31\u7eea\u3002\u6b64\u65f6，\u53ef\u4ee5\u542f\u7528\u900f\u4f20\u6a21\u5f0f：AT+CIPMODE=1\u8bbe\u7f6e\u6a21\u5757\u4e3a\u900f\u4f20\u6a21\u5f0f，\u7136\u540eAT+CIPSEND\u6307\u4ee4\u8fdb\u5165\u6570\u636e\u53d1\u9001\u72b6\u6001\u3002\u4e00\u65e6\u53d1\u9001AT+CIPSEND，\u6a21\u5757\u4f1a\u8fd4\u56de">"\u63d0\u793a\u7b26，\u8868\u793a\u51c6\u5907\u63a5\u6536\u4e32\u53e3\u6570\u636e\u3002\u6b64\u540e，\u4efb\u4f55\u4ece\u4e32\u53e3\u8f93\u5165\u7684\u6570\u636e\u90fd\u4f1a\u76f4\u63a5\u8f6c\u53d1\u5230TCP\u8fde\u63a5\u3002<\/p>\n

    \u5728\u900f\u4f20\u6a21\u5f0f\u4e0b，\u9000\u51fa\u9700\u8981\u5c0f\u5fc3\u5904\u7406\u3002\u53d1\u9001"+++"（\u4e0d\u5e26\u56de\u8f66）\u53ef\u4ee5\u9000\u51fa\u900f\u4f20\u72b6\u6001，\u8fd4\u56deAT\u547d\u4ee4\u6a21\u5f0f\u3002\u4f46\u6ce8\u610f，"+++"\u5fc5\u987b\u5728\u4e00\u79d2\u5185\u53d1\u9001，\u4e14\u524d\u540e\u65e0\u5176\u4ed6\u6570\u636e，\u5426\u5219\u6a21\u5757\u53ef\u80fd\u65e0\u6cd5\u8bc6\u522b\u3002\u8fd9\u662f\u4e00\u4e2a\u5bb9\u6613\u51fa\u9519\u7684\u5730\u65b9，\u5efa\u8bae\u5728\u4ee3\u7801\u4e2d\u5b9e\u73b0\u7cbe\u786e\u7684\u65f6\u5e8f\u63a7\u5236\u3002<\/p>\n

    \u6ce8\u610f：AT\u6307\u4ee4\u5bf9\u683c\u5f0f\u654f\u611f\u3002\u591a\u4f59\u7a7a\u683c\u6216\u7f3a\u5c11\u5f15\u53f7\u53ef\u80fd\u5bfc\u81f4\u5931\u8d25\u3002\u59cb\u7ec8\u68c0\u67e5\u8fd4\u56de\u503c，\u5982"ERROR"\u6216"OK"，\u4ee5\u786e\u4fdd\u6bcf\u4e00\u6b65\u6210\u529f\u3002<\/p>\n

    \u5bf9\u4e8e\u9ad8\u7ea7\u7528\u6237，\u8fd8\u53ef\u4ee5\u914d\u7f6e\u5176\u4ed6\u53c2\u6570\u4f18\u5316\u900f\u4f20\u6027\u80fd\u3002\u4f8b\u5982：<\/p>\n

      \n
    • AT+CIPSTO=<timeout>：\u8bbe\u7f6eTCP\u8fde\u63a5\u8d85\u65f6\u65f6\u95f4，\u9632\u6b62\u50f5\u6b7b\u8fde\u63a5\u3002<\/li>\n
    • AT+UART=<baudrate>,<databits>,<stopbits>,<parity>：\u8c03\u6574\u4e32\u53e3\u53c2\u6570，\u5339\u914d\u4e3b\u673a\u5fae\u63a7\u5236\u5668\u7684\u8bbe\u7f6e，\u907f\u514d\u6570\u636e\u51b2\u7a81\u3002<\/li>\n<\/ul>\n

      \u4ee5\u4e0b\u662f\u4e00\u4e2a\u5b8c\u6574\u7684\u900f\u4f20\u914d\u7f6e\u793a\u4f8b，\u7528\u4e8e\u5c06ESP8266\u8fde\u63a5\u5230\u672c\u5730\u670d\u52a1\u5668\u5e76\u542f\u7528\u900f\u4f20：<\/p>\n

      # \u91cd\u542f\u5e76\u8bbe\u7f6e\u6a21\u5f0f
      \nAT+RST
      \nAT+CWMODE=1
      \n# \u8fde\u63a5Wi-Fi
      \nAT+CWJAP="MyHomeWiFi","secretPass"
      \n# \u5efa\u7acbTCP\u8fde\u63a5
      \nAT+CIPSTART="TCP","192.168.1.50",8082
      \n# \u542f\u7528\u900f\u4f20\u5e76\u5f00\u59cb\u53d1\u9001
      \nAT+CIPMODE=1
      \nAT+CIPSEND<\/p>\n

      \u5728\u5b9e\u9645\u9879\u76ee\u4e2d，\u8fd9\u4e9b\u6307\u4ee4\u53ef\u4ee5\u901a\u8fc7\u5fae\u63a7\u5236\u5668\u7684\u4e32\u53e3\u53d1\u9001\u3002\u4f8b\u5982，\u5728Arduino\u4ee3\u7801\u4e2d，\u53ef\u4ee5\u4f7f\u7528Serial.println()\u53d1\u9001AT\u547d\u4ee4，\u5e76\u89e3\u6790\u8fd4\u56de\u7ed3\u679c\u3002\u81ea\u52a8\u5316\u8fd9\u4e2a\u8fc7\u7a0b\u65f6，\u52a1\u5fc5\u6dfb\u52a0\u9519\u8bef\u91cd\u8bd5\u673a\u5236，\u56e0\u4e3a\u7f51\u7edc\u8fde\u63a5\u53ef\u80fd\u56e0\u4fe1\u53f7\u5f3a\u5ea6\u800c\u5931\u8d25\u3002<\/p>\n

      3. \u6570\u636e\u5305\u5904\u7406\u4e0e\u4f20\u8f93\u4f18\u5316\u7b56\u7565<\/h3>\n

      \u5728\u900f\u4f20\u6a21\u5f0f\u4e0b，\u6570\u636e\u5305\u7684\u5904\u7406\u5b8c\u5168\u7531\u5e94\u7528\u5c42\u63a7\u5236，\u8fd9\u610f\u5473\u7740\u5f00\u53d1\u8005\u9700\u8981\u8d1f\u8d23\u6570\u636e\u7684\u5206\u5e27\u3001\u9519\u8bef\u68c0\u6d4b\u548c\u6d41\u91cf\u7ba1\u7406\u3002\u672a\u7ecf\u5904\u7406\u7684\u6570\u636e\u6d41\u5bb9\u6613\u51fa\u73b0\u201c\u7c98\u5305\u201d\u95ee\u9898\u2014\u2014\u591a\u4e2a\u6570\u636e\u5305\u88ab\u5408\u5e76\u53d1\u9001，\u6216\u201c\u534a\u5305\u201d\u95ee\u9898\u2014\u2014\u4e00\u4e2a\u5305\u88ab\u62c6\u5206\u6210\u591a\u6b21\u63a5\u6536\u3002\u8fd9\u4e9b\u95ee\u9898\u4f1a\u5bfc\u81f4\u63a5\u6536\u7aef\u89e3\u6790\u9519\u8bef，\u5f71\u54cd\u7cfb\u7edf\u53ef\u9760\u6027\u3002\u672c\u8282\u63a2\u8ba8\u5e38\u89c1\u7684\u6570\u636e\u5305\u5904\u7406\u6280\u5de7\u548c\u4f18\u5316\u7b56\u7565，\u786e\u4fdd\u4f20\u8f93\u7684\u7a33\u5065\u6027\u3002<\/p>\n

      \u9996\u5148，\u5b9a\u4e49\u5e94\u7528\u5c42\u534f\u8bae\u662f\u89e3\u51b3\u7c98\u5305\u95ee\u9898\u7684\u5173\u952e\u3002\u7b80\u5355\u7684\u65b9\u6cd5\u5305\u62ec：<\/p>\n

        \n
      • \u4f7f\u7528\u5206\u9694\u7b26：\u5728\u6bcf\u4e2a\u6570\u636e\u5305\u7684\u7ed3\u5c3e\u6dfb\u52a0\u7279\u6b8a\u5b57\u7b26（\u5982\u6362\u884c\u7b26\\\\n\u6216\u81ea\u5b9a\u4e49\u5b57\u8282）\u3002\u63a5\u6536\u7aef\u6839\u636e\u5206\u9694\u7b26\u62c6\u5206\u6570\u636e\u6d41\u3002\u4f8b\u5982，\u4f20\u611f\u5668\u6570\u636e\u53ef\u4ee5\u53d1\u9001\u4e3a"value1,value2,value3\\\\n"\u3002<\/li>\n
      • \u56fa\u5b9a\u957f\u5ea6\u5305：\u6240\u6709\u6570\u636e\u5305\u8bbe\u7f6e\u4e3a\u76f8\u540c\u957f\u5ea6，\u4e0d\u8db3\u90e8\u5206\u586b\u5145\u3002\u8fd9\u79cd\u65b9\u5f0f\u89e3\u6790\u9ad8\u6548，\u4f46\u53ef\u80fd\u6d6a\u8d39\u5e26\u5bbd\u3002<\/li>\n
      • \u6dfb\u52a0\u5934\u90e8\u4fe1\u606f：\u5728\u6570\u636e\u5305\u524d\u6dfb\u52a0\u957f\u5ea6\u5b57\u6bb5，\u63a5\u6536\u7aef\u5148\u8bfb\u53d6\u957f\u5ea6，\u518d\u83b7\u53d6\u5bf9\u5e94\u5b57\u8282\u6570\u3002\u8fd9\u79cd\u65b9\u6cd5\u9ad8\u6548\u4e14\u7075\u6d3b，\u4f46\u5b9e\u73b0\u7a0d\u590d\u6742\u3002<\/li>\n<\/ul>\n

        \u4f8b\u5982，\u5728Arduino\u4ee3\u7801\u4e2d，\u53d1\u9001\u5e26\u957f\u5ea6\u5934\u7684\u6570\u636e\u5305\u53ef\u80fd\u5982\u4e0b\u6240\u793a（\u4f2a\u4ee3\u7801）：<\/p>\n

        \/\/ \u5047\u8bbe\u6570\u636e\u5b58\u50a8\u5728buffer\u4e2d
        \nint dataLength = strlen(buffer);
        \n\/\/ \u53d1\u9001\u957f\u5ea6\u5b57\u6bb5（2\u5b57\u8282）
        \nSerial.write((byte)(dataLength >> 8)); \/\/ \u9ad8\u5b57\u8282
        \nSerial.write((byte)(dataLength & 0xFF)); \/\/ \u4f4e\u5b57\u8282
        \n\/\/ \u53d1\u9001\u5b9e\u9645\u6570\u636e
        \nSerial.write(buffer);<\/p>\n

        \u5728\u63a5\u6536\u7aef（\u5982PC\u8f6f\u4ef6），\u5148\u8bfb\u53d62\u5b57\u8282\u83b7\u53d6\u957f\u5ea6，\u518d\u8bfb\u53d6\u6307\u5b9a\u5b57\u8282\u6570\u7684\u6570\u636e\u3002<\/p>\n

        \u5176\u6b21，\u4f18\u5316\u4f20\u8f93\u6027\u80fd\u6d89\u53ca\u591a\u4e2a\u65b9\u9762\u3002\u4e32\u53e3\u6ce2\u7279\u7387\u8bbe\u7f6e\u81f3\u5173\u91cd\u8981：\u66f4\u9ad8\u7684\u6ce2\u7279\u7387（\u5982115200\u6216230400）\u53ef\u4ee5\u51cf\u5c11\u5ef6\u8fdf，\u4f46\u8981\u6c42\u5fae\u63a7\u5236\u5668\u548c\u6a21\u5757\u90fd\u80fd\u652f\u6301\u3002\u6b64\u5916，\u8c03\u6574TCP\u7a97\u53e3\u5927\u5c0f\u548c\u7f13\u5b58\u8bbe\u7f6e\u53ef\u4ee5\u6539\u5584\u7f51\u7edc\u541e\u5410\u91cf\u3002ESP8266\u56fa\u4ef6\u5141\u8bb8\u901a\u8fc7AT\u6307\u4ee4\u8c03\u6574\u4e00\u4e9b\u53c2\u6570，\u4f8b\u5982AT+CIPRECVMODE\u8bbe\u7f6e\u63a5\u6536\u6a21\u5f0f，\u4f46\u900f\u4f20\u6a21\u5f0f\u4e0b\u9009\u9879\u6709\u9650\u3002<\/p>\n

        \u5bf9\u4e8e\u8fde\u63a5\u7a33\u5b9a\u6027，\u5b9e\u73b0\u5fc3\u8df3\u673a\u5236\u662f\u5fc5\u8981\u7684\u3002\u5b9a\u671f\u53d1\u9001\u5c0f\u6570\u636e\u5305（\u5982\u6bcf30\u79d2\u4e00\u6b21）\u53ef\u4ee5\u4fdd\u6301TCP\u8fde\u63a5\u6d3b\u8dc3，\u5e76\u68c0\u6d4b\u7f51\u7edc\u662f\u5426\u65ad\u5f00\u3002\u5982\u679c\u5fc3\u8df3\u8d85\u65f6，\u5e94\u7528\u7a0b\u5e8f\u53ef\u4ee5\u89e6\u53d1\u91cd\u8fde\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u5fc3\u8df3\u5b9e\u73b0\u601d\u8def：<\/p>\n

          \n
        • \u5728\u5fae\u63a7\u5236\u5668\u7aef，\u5b9a\u65f6\u5668\u6bcf\u9694\u4e00\u6bb5\u65f6\u95f4\u53d1\u9001\u5fc3\u8df3\u5305（\u5982"PING"）\u3002<\/li>\n
        • \u63a5\u6536\u7aef\u56de\u5e94"PONG"，\u5982\u679c\u591a\u6b21\u672a\u6536\u5230\u56de\u5e94，\u5219\u91cd\u65b0\u521d\u59cb\u5316\u8fde\u63a5\u3002<\/li>\n<\/ul>\n

          \u6b64\u5916，\u6d41\u91cf\u63a7\u5236\u6709\u52a9\u4e8e\u9632\u6b62\u6570\u636e\u6ea2\u51fa\u3002ESP8266\u7684\u4e32\u53e3\u7f13\u51b2\u533a\u6709\u9650，\u5982\u679c\u5fae\u63a7\u5236\u5668\u53d1\u9001\u8fc7\u5feb，\u53ef\u80fd\u5bfc\u81f4\u6570\u636e\u4e22\u5931\u3002\u4f7f\u7528\u786c\u4ef6\u6d41\u63a7\u5236（RTS\/CTS）\u53ef\u4ee5\u540c\u6b65\u53d1\u9001\u901f\u7387，\u4f46\u9700\u8981\u989d\u5916\u8fde\u7ebf\u3002\u8f6f\u4ef6\u65b9\u6848\u5219\u53ef\u4ee5\u901a\u8fc7\u786e\u8ba4\u673a\u5236\u5b9e\u73b0：\u53d1\u9001\u65b9\u7b49\u5f85\u63a5\u6536\u65b9\u7684ACK\u540e\u518d\u53d1\u9001\u4e0b\u4e00\u5305\u3002<\/p>\n

          \u63d0\u793a：\u5728\u65e0\u7ebf\u73af\u5883\u4e2d，Wi-Fi\u4fe1\u53f7\u5f3a\u5ea6\u6ce2\u52a8\u4f1a\u5f71\u54cd\u4f20\u8f93\u8d28\u91cf\u3002\u4f7f\u7528AT+CWJAP?\u67e5\u8be2\u5f53\u524d\u4fe1\u53f7\u5f3a\u5ea6（RSSI），\u5982\u679c\u4f4e\u4e8e-70dBm，\u8003\u8651\u589e\u5f3a\u4fe1\u53f7\u6216\u8c03\u6574\u5929\u7ebf\u4f4d\u7f6e\u3002<\/p>\n

          \u6700\u540e，\u9519\u8bef\u5904\u7406\u548c\u65e5\u5fd7\u8bb0\u5f55\u662f\u751f\u4ea7\u73af\u5883\u5fc5\u5907\u3002\u8bb0\u5f55\u4f20\u8f93\u5931\u8d25\u7684\u4e8b\u4ef6\u548c\u539f\u56e0，\u5e2e\u52a9\u8c03\u8bd5\u95ee\u9898\u3002\u4f8b\u5982，\u5728\u4ee3\u7801\u4e2d\u6dfb\u52a0\u91cd\u8bd5\u903b\u8f91：<\/p>\n

          # \u4f2a\u4ee3\u7801\u793a\u4f8b（\u7528\u4e8ePC\u7aef\u6d4b\u8bd5）
          \ndef send_data(data):
          \n retries = 3
          \n for i in range(retries):
          \n try:
          \n serial.write(data)
          \n if wait_for_ack():
          \n return True
          \n except TimeoutError:
          \n print("Timeout, retrying…")
          \n return False<\/p>\n

          \u8fd9\u4e9b\u7b56\u7565\u7efc\u5408\u5e94\u7528，\u53ef\u4ee5\u663e\u8457\u63d0\u5347\u900f\u4f20\u6a21\u5f0f\u7684\u53ef\u9760\u6027，\u4f7f\u5176\u9002\u7528\u4e8e\u8981\u6c42\u4e25\u683c\u7684\u5de5\u4e1a\u573a\u666f\u3002<\/p>\n

          4. \u5e94\u7528\u6848\u4f8b：\u667a\u80fd\u5bb6\u5c45\u4e0e\u5de5\u4e1a\u76d1\u63a7\u4e2d\u7684\u5b9e\u6218\u5b9e\u73b0<\/h3>\n

          \u900f\u4f20\u6a21\u5f0f\u5728\u7269\u8054\u7f51\u9886\u57df\u6709\u5e7f\u6cdb\u7684\u5e94\u7528，\u5c24\u5176\u9002\u5408\u6570\u636e\u6d41\u7b80\u5355\u3001\u5b9e\u65f6\u6027\u8981\u6c42\u9ad8\u7684\u573a\u666f\u3002\u5728\u667a\u80fd\u5bb6\u5c45\u4e2d，ESP8266\u5e38\u4f5c\u4e3a\u6865\u6881，\u5c06\u4f20\u611f\u5668\u6570\u636e\u8f6c\u53d1\u5230\u4e2d\u592e\u63a7\u5236\u5668\u6216\u4e91\u5e73\u53f0\u3002\u4f8b\u5982，\u6e29\u5ea6\u4f20\u611f\u5668\u901a\u8fc7\u4e32\u53e3\u53d1\u9001\u8bfb\u6570，ESP8266\u4ee5\u900f\u4f20\u6a21\u5f0f\u5c06\u6570\u636e\u53d1\u9001\u5230\u5bb6\u5ead\u670d\u52a1\u5668，\u670d\u52a1\u5668\u5904\u7406\u540e\u518d\u89e6\u53d1\u7a7a\u8c03\u63a7\u5236\u3002\u8fd9\u79cd\u67b6\u6784\u7b80\u5316\u4e86\u8bbe\u5907\u7aef\u903b\u8f91，\u964d\u4f4e\u4e86\u6210\u672c\u3002<\/p>\n

          \u4e00\u4e2a\u5178\u578b\u7684\u667a\u80fd\u5bb6\u5c45\u5b9e\u73b0\u6d89\u53ca\u4ee5\u4e0b\u7ec4\u4ef6：<\/p>\n

            \n
          • \u4f20\u611f\u5668\u8282\u70b9：\u5982DHT22\u6e29\u6e7f\u5ea6\u4f20\u611f\u5668，\u8fde\u63a5\u81f3Arduino\u5fae\u63a7\u5236\u5668\u3002<\/li>\n
          • ESP8266\u6a21\u5757：\u914d\u7f6e\u4e3a\u900f\u4f20\u6a21\u5f0f，\u901a\u8fc7Wi-Fi\u8fde\u63a5\u5bb6\u5ead\u8def\u7531\u5668\u3002<\/li>\n
          • \u670d\u52a1\u5668\u7aef：\u8fd0\u884c\u5728PC\u6216\u6811\u8393\u6d3e\u4e0a\u7684Python\u811a\u672c，\u76d1\u542cTCP\u7aef\u53e3，\u63a5\u6536\u6570\u636e\u5e76\u5b58\u5165\u6570\u636e\u5e93\u3002<\/li>\n<\/ul>\n

            \u786c\u4ef6\u8fde\u63a5\u7b80\u5355：Arduino\u7684TX\u5f15\u811a\u63a5ESP8266\u7684RX\u5f15\u811a，\u5171\u4eab\u5730\u7ebf\u3002Arduino\u4ee3\u7801\u8bfb\u53d6\u4f20\u611f\u5668\u5e76\u683c\u5f0f\u5316\u6570\u636e，\u7136\u540e\u901a\u8fc7Serial\u53d1\u9001\u3002\u4f8b\u5982：<\/p>\n

            \/\/ Arduino\u4ee3\u7801\u793a\u4f8b
            \n#include <DHT.h>
            \nDHT dht(2, DHT22);
            \nvoid setup() {
            \n Serial.begin(115200);
            \n dht.begin();
            \n}
            \nvoid loop() {
            \n float temp = dht.readTemperature();
            \n String data = "Temp:" + String(temp) + "\\\\n";
            \n Serial.print(data); \/\/ \u6570\u636e\u901a\u8fc7\u4e32\u53e3\u53d1\u9001\u5230ESP8266
            \n delay(5000);
            \n}<\/p>\n

            \u670d\u52a1\u5668\u7aef\u4f7f\u7528Python\u7684socket\u5e93\u63a5\u6536\u6570\u636e：<\/p>\n

            import socket
            \nserver_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
            \nserver_socket.bind(('0.0.0.0', 8082))
            \nserver_socket.listen(1)
            \nprint("Waiting for connection…")
            \nconn, addr = server_socket.accept()
            \nprint("Connected by", addr)
            \nwhile True:
            \n data = conn.recv(1024)
            \n if not data: break
            \n print("Received:", data.decode())
            \nconn.close()<\/p>\n

            \u5728\u5de5\u4e1a\u76d1\u63a7\u4e2d，\u900f\u4f20\u6a21\u5f0f\u7528\u4e8e\u8fdc\u7a0b\u6570\u636e\u91c7\u96c6\u548c\u8bbe\u5907\u63a7\u5236\u3002\u4f8b\u5982，\u5728\u5de5\u5382\u73af\u5883\u4e2d，ESP8266\u53ef\u4ee5\u8fde\u63a5PLC（\u53ef\u7f16\u7a0b\u903b\u8f91\u63a7\u5236\u5668）\u7684\u4e32\u53e3，\u5c06\u8fd0\u884c\u72b6\u6001\u5b9e\u65f6\u53d1\u9001\u5230\u76d1\u63a7\u4e2d\u5fc3\u3002\u7531\u4e8e\u5de5\u4e1a\u73af\u5883\u53ef\u80fd\u6709\u7535\u78c1\u5e72\u6270，\u9700\u9009\u7528\u5de5\u4e1a\u7ea7Wi-Fi\u6a21\u5757，\u5e76\u6dfb\u52a0\u5c4f\u853d\u63aa\u65bd\u3002\u6b64\u5916，\u6570\u636e\u52a0\u5bc6\u53d8\u5f97\u91cd\u8981，\u56e0\u4e3a\u900f\u4f20\u672c\u8eab\u4e0d\u63d0\u4f9b\u5b89\u5168\u673a\u5236\u3002\u53ef\u4ee5\u5728\u5e94\u7528\u5c42\u6dfb\u52a0\u7b80\u5355\u7684\u52a0\u5bc6，\u5982XOR\u7f16\u7801\u6216 AES \u5e93，\u9632\u6b62\u6570\u636e\u7a83\u542c\u3002<\/p>\n

            \u53e6\u4e00\u4e2a\u5e94\u7528\u6848\u4f8b\u662f\u8fdc\u7a0b\u8c03\u8bd5\u548c\u65e5\u5fd7\u8bb0\u5f55\u3002\u5f00\u53d1\u8005\u53ef\u4ee5\u901a\u8fc7\u900f\u4f20\u6a21\u5f0f，\u5c06\u8bbe\u5907\u8c03\u8bd5\u4fe1\u606f\u5b9e\u65f6\u53d1\u9001\u5230\u7535\u8111，\u4f7f\u7528\u7f51\u7edc\u8c03\u8bd5\u52a9\u624b（\u5982NetAssist）\u67e5\u770b\u3002\u8fd9\u6bd4\u7269\u7406\u8fde\u63a5\u4e32\u53e3\u7ebf\u66f4\u65b9\u4fbf，\u5c24\u5176\u5bf9\u4e8e\u90e8\u7f72\u5728\u8fdc\u5904\u7684\u8bbe\u5907\u3002<\/p>\n

            \u5b9e\u73b0\u4e2d\u7684\u5e38\u89c1\u9677\u9631\u5305\u62ec：\u7535\u6e90\u566a\u58f0\u5bfc\u81f4\u4e32\u53e3\u9519\u8bef\u3001Wi-Fi\u4fe1\u53f7\u5f31\u9020\u6210\u8fde\u63a5\u4e2d\u65ad\u3001\u4ee5\u53ca\u6570\u636e\u683c\u5f0f\u4e0d\u5339\u914d\u3002\u5efa\u8bae\u5728\u5f00\u53d1\u9636\u6bb5\u4f7f\u7528\u5de5\u5177\u5982Wireshark\u76d1\u63a7\u7f51\u7edc\u6d41\u91cf，\u5e76\u7528\u903b\u8f91\u5206\u6790\u4eea\u68c0\u67e5\u4e32\u53e3\u4fe1\u53f7\u8d28\u91cf\u3002\u8fd9\u4e9b\u5b9e\u8df5\u6b65\u9aa4\u786e\u4fdd\u7cfb\u7edf\u7a33\u5065\u8fd0\u884c\u3002<\/p>\n

            \u900f\u4f20\u6a21\u5f0f\u7684\u4f18\u52bf\u5728\u8fd9\u4e9b\u6848\u4f8b\u4e2d\u5145\u5206\u4f53\u73b0：\u5feb\u901f\u90e8\u7f72\u3001\u4f4e\u8d44\u6e90\u5360\u7528\u548c\u5b9e\u65f6\u6027\u3002\u7136\u800c，\u5b83\u4e0d\u9002\u5408\u590d\u6742\u4ea4\u4e92\u573a\u666f，\u5982\u9700\u8981\u53cc\u5411\u63a7\u5236\u6216\u591a\u534f\u8bae\u652f\u6301\u7684\u5e94\u7528\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b，\u8003\u8651\u4f7f\u7528\u975e\u900f\u4f20\u6a21\u5f0f\u6216\u66f4\u9ad8\u7ea7\u7684\u534f\u8bae\u6808（\u5982MQTT\u6216HTTP）\u3002<\/p>\n

            5. \u6027\u80fd\u74f6\u9888\u4e0e\u8fdb\u9636\u4f18\u5316\u6280\u5de7<\/h3>\n

            \u5c3d\u7ba1\u900f\u4f20\u6a21\u5f0f\u7b80\u5355\u9ad8\u6548，\u4f46\u5728\u5927\u89c4\u6a21\u6216\u9ad8\u53ef\u9760\u6027\u5e94\u7528\u4e2d，\u53ef\u80fd\u9047\u5230\u6027\u80fd\u74f6\u9888\u3002\u8bc6\u522b\u8fd9\u4e9b\u74f6\u9888\u5e76\u5b9e\u65bd\u4f18\u5316，\u662f\u63d0\u5347\u7cfb\u7edf\u6574\u4f53\u8868\u73b0\u7684\u5173\u952e\u3002\u5e38\u89c1\u74f6\u9888\u5305\u62ec\u4e32\u53e3\u901f\u7387\u9650\u5236\u3001\u7f51\u7edc\u5ef6\u8fdf\u3001\u6a21\u5757\u5904\u7406\u80fd\u529b\u548c\u7535\u6e90\u7ba1\u7406\u95ee\u9898\u3002\u672c\u8282\u63a2\u8ba8\u8fd9\u4e9b\u6311\u6218\u7684\u6210\u56e0\u548c\u89e3\u51b3\u4e4b\u9053\u3002<\/p>\n

            \u9996\u5148，\u4e32\u53e3\u901a\u4fe1\u901f\u7387\u53ef\u80fd\u6210\u4e3a\u74f6\u9888\u3002ESP8266\u7684UART\u9ed8\u8ba4\u652f\u6301\u6700\u9ad8115200bps\u7684\u6ce2\u7279\u7387，\u4f46\u7406\u8bba\u4e0a\u53ef\u4ee5\u8bbe\u7f6e\u4e3a\u66f4\u9ad8\u503c（\u5982230400\u6216460800）\u3002\u901a\u8fc7\u6307\u4ee4AT+UART=<baudrate>,8,1,0,0\u53ef\u4ee5\u8c03\u6574\u6ce2\u7279\u7387，\u4f46\u5fc5\u987b\u786e\u4fdd\u5fae\u63a7\u5236\u5668\u4e5f\u8bbe\u7f6e\u4e3a\u76f8\u540c\u901f\u7387\u3002\u63d0\u9ad8\u6ce2\u7279\u7387\u53ef\u4ee5\u51cf\u5c11\u6570\u636e\u4f20\u8f93\u5ef6\u8fdf，\u4f46\u53ef\u80fd\u589e\u52a0\u8bef\u7801\u7387，\u56e0\u6b64\u9700\u6d4b\u8bd5\u4fe1\u53f7\u5b8c\u6574\u6027\u3002\u4f8b\u5982，\u5728Arduino\u4e2d，\u4f7f\u7528Serial.begin(230400)\u5339\u914d\u6a21\u5757\u8bbe\u7f6e\u3002<\/p>\n

            \u7f51\u7edc\u65b9\u9762，TCP\u534f\u8bae\u7684\u7279\u6027\u53ef\u80fd\u5f15\u5165\u5ef6\u8fdf\u3002TCP\u4fdd\u8bc1\u6570\u636e\u53ef\u9760\u4f20\u8f93，\u4f46\u63e1\u624b\u8fc7\u7a0b\u548c\u62e5\u585e\u63a7\u5236\u4f1a\u589e\u52a0\u5f00\u9500\u3002\u5728\u672c\u5730\u7f51\u7edc\u4e2d，\u5ef6\u8fdf\u901a\u5e38\u8f83\u4f4e，\u4f46\u5728\u4e92\u8054\u7f51\u4f20\u8f93\u4e2d，\u8def\u7531\u8df3\u6570\u53ef\u80fd\u5f71\u54cd\u6027\u80fd\u3002\u4f7f\u7528AT+PING\u6307\u4ee4\u6d4b\u8bd5\u5230\u670d\u52a1\u5668\u7684\u5ef6\u8fdf，\u5982\u679c\u8fc7\u9ad8，\u8003\u8651\u4f7f\u7528\u66f4\u8fd1\u7684\u670d\u52a1\u5668\u6216\u4f18\u5316\u7f51\u7edc\u8def\u5f84\u3002\u6b64\u5916，Wi-Fi\u4fe1\u53f7\u8d28\u91cf\u81f3\u5173\u91cd\u8981：\u4f7f\u7528AT+CWJAP?\u67e5\u8be2RSSI，\u786e\u4fdd\u4fe1\u53f7\u5f3a\u5ea6\u9ad8\u4e8e-65dBm for \u7a33\u5b9a\u8fde\u63a5\u3002<\/p>\n

            \u6a21\u5757\u5904\u7406\u80fd\u529b\u6709\u9650，ESP8266\u662f\u5355\u4efb\u52a1\u8bbe\u5907，\u5728\u5904\u7406\u6570\u636e\u8f6c\u53d1\u65f6，\u65e0\u6cd5\u540c\u65f6\u6267\u884c\u590d\u6742\u64cd\u4f5c\u3002\u5982\u679c\u5e94\u7528\u9700\u8981\u540c\u65f6\u7ba1\u7406\u591a\u4e2a\u8fde\u63a5，\u900f\u4f20\u6a21\u5f0f\u53ef\u80fd\u4e0d\u9002\u7528，\u56e0\u4e3a\u5b83\u901a\u5e38\u53ea\u652f\u6301\u5355\u4e00TCP\u8fde\u63a5\u3002\u8003\u8651\u5347\u7ea7\u5230\u66f4\u5f3a\u5927\u7684\u6a21\u5757（\u5982ESP32），\u6216\u591a\u6a21\u5757\u67b6\u6784\u5206\u62c5\u8d1f\u8f7d\u3002<\/p>\n

            \u7535\u6e90\u7ba1\u7406\u5f71\u54cd\u65e0\u7ebf\u4f20\u8f93\u7684\u7a33\u5b9a\u6027\u3002ESP8266\u5728\u4f20\u8f93\u6570\u636e\u65f6\u529f\u8017\u8f83\u9ad8（\u7ea670mA），\u5982\u679c\u7535\u6e90\u4e0d\u8db3，\u53ef\u80fd\u5bfc\u81f4\u7535\u538b\u9aa4\u964d\u548c\u590d\u4f4d\u3002\u4f7f\u7528\u7a33\u5b9a\u7535\u6e90（\u59823.3V\u7a33\u538b\u5668）\u5e76\u6dfb\u52a0 decoupling capacitors near the module\u3002\u5bf9\u4e8e\u7535\u6c60\u4f9b\u7535\u8bbe\u5907，\u542f\u7528\u7761\u7720\u6a21\u5f0f（\u901a\u8fc7AT\u6307\u4ee4\u5982AT+SLEEP） between transmissions to save power.<\/p>\n

            \u8f6f\u4ef6\u4f18\u5316\u5305\u62ec\u51cf\u5c11\u6570\u636e\u5305\u5927\u5c0f\u548c\u538b\u7f29\u6570\u636e\u3002\u4f8b\u5982， instead of sending text "Temperature=25.6C", send binary data (0x19 0x01 for 25.6\u00b0C). \u8fd9\u53ef\u4ee5\u8282\u7701\u5e26\u5bbd\u548c\u89e3\u6790\u65f6\u95f4\u3002\u6b64\u5916，\u4f7f\u7528\u5dee\u5206\u53d1\u9001\u53ea\u4f20\u8f93\u53d8\u5316\u7684\u6570\u636e，\u800c\u4e0d\u662f\u5168\u91cf\u6570\u636e\u3002<\/p>\n

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