{"id":47206,"date":"2023-09-05T04:06:34","date_gmt":"2023-09-13T08:34:51","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%bc%80%e5%a7%8b%e4%bd%bf%e7%94%a8esp32%e8%bf%9b%e8%a1%8ciot%e5%bc%80%e5%8f%91%e7%9a%84%e5%ae%9e%e6%93%8d%e6%8c%87%e5%8d%97%e6%9d%90%e6%96%99\/"},"modified":"2024-04-30T21:34:37","modified_gmt":"2024-04-30T13:34:37","slug":"%e5%bc%80%e5%a7%8b%e4%bd%bf%e7%94%a8esp32%e8%bf%9b%e8%a1%8ciot%e5%bc%80%e5%8f%91%e7%9a%84%e5%ae%9e%e6%93%8d%e6%8c%87%e5%8d%97%e6%9d%90%e6%96%99","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%bc%80%e5%a7%8b%e4%bd%bf%e7%94%a8esp32%e8%bf%9b%e8%a1%8ciot%e5%bc%80%e5%8f%91%e7%9a%84%e5%ae%9e%e6%93%8d%e6%8c%87%e5%8d%97%e6%9d%90%e6%96%99\/","title":{"rendered":"\u5f00\u59cb\u4f7f\u7528ESP32\u8fdb\u884cIoT\u5f00\u53d1\u7684\u5b9e\u64cd\u6307\u5357\u6750\u6599"},"content":{"rendered":"

\u6700\u521d<\/h4>\n

\u8fd9\u4efd\u8d44\u6599\u662f\u7528\u4e8e\u5b9e\u65bd\u4e8e2022\/04\/29\u4e3e\u529e\u7684ESP32\u5165\u95e8\u7269\u8054\u7f51\u5f00\u53d1\u5b9e\u8df5\u7684\u5185\u5bb9\u3002\u5b83\u4e0e\u672c\u6b21\u5b9e\u8df5\u7684\u8d44\u6599\u76f8\u5bf9\u5e94\u3002<\/p>\n

\u4f7f\u7528\u4e2d\u6587\u7684\u4e1c\u897f<\/h4>\n

ESP32
\n\u5149\u654f\u7535\u963b\u4f20\u611f\u5668
\n\u6e7f\u5ea6\u4f20\u611f\u5668
\nMicro USB\u7535\u7f06
\n\u7528\u4e8e\u5f00\u53d1\u7684\u4e2a\u4eba\u7535\u8111<\/p>\n

\u5f00\u53d1\u73af\u5883<\/h4>\n

Arduino\u96c6\u6210\u5f00\u53d1\u73af\u5883
\nNode-RED\u53ef\u89c6\u5316\u7f16\u7a0b\u5de5\u5177<\/p>\n

\u51c6\u5907\u5f00\u53d1\u73af\u5883<\/h4>\n

\u5b89\u88c5Arduino IDE<\/h5>\n
\"image.png\"<\/div>\n

\u5f53\u60a8\u6267\u884c\u4e0b\u8f7d\u7684\u6587\u4ef6\u65f6\uff0c\u53ef\u4ee5\u6309\u7167\u5411\u5bfc\u5f62\u5f0f\u8fdb\u884c\u5b89\u88c5\u3002\u5982\u679c\u6ca1\u6709\u7279\u522b\u6307\u5b9a\uff0c\u5c06\u76f4\u63a5\u8fdb\u884c\u5b89\u88c5\u3002\u4e5f\u4f1a\u6279\u51c6\u989d\u5916\u7684\u9a71\u52a8\u7a0b\u5e8f\u5b89\u88c5\u3002<\/p>\n

\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u901a\u8fc7Arduino IDE\u5b9e\u73b0\u5bf9ESP32\u7684\u5f00\u53d1\u3002<\/p>\n

\"image.png\"<\/div>\n

\u4ece\u5de5\u5177\u4e2d\u9009\u62e9\u677f\u5b50\uff0cESP32 Arduino\uff0cESP32 Dev\u6a21\u5757\u3002
\n\u8fd9\u6837\uff0c\u5c31\u53ef\u4ee5\u5728Arduino IDE\u4e2d\u51c6\u5907\u597d\u4f7f\u7528ESP32\u4e86\u3002<\/p>\n

\u51c6\u5907Node-RED\u73af\u5883<\/h5>\n

\u8fd9\u6b21\u6211\u4eec\u5c06\u4f7f\u7528\u4e00\u4e2a\u540d\u4e3aenebular\u7684SaaS\u670d\u52a1\u3002
\n\u8bf7\u524d\u5f80enebular\u7684\u5b98\u65b9\u7f51\u7ad9\u3002
\n\u5982\u679c\u60a8\u662f\u7b2c\u4e00\u6b21\u4f7f\u7528\uff0c\u8bf7\u5148\u521b\u5efa\u4e00\u4e2a\u8d26\u6237\u3002
\n\u70b9\u51fb\u53f3\u4e0a\u89d2\u7684\u767b\u5f55\u6309\u94ae\uff0c\u8fdb\u5165\u767b\u5f55\u9875\u9762\u3002
\n\u5728\u90a3\u91cc\u60a8\u4f1a\u627e\u5230\u521b\u5efa\u8d26\u6237\u7684\u6309\u94ae\uff0c\u8bf7\u8f93\u5165\u6240\u9700\u7684\u4fe1\u606f\u5e76\u5b8c\u6210\u6ce8\u518c\u3002
\n\u60a8\u73b0\u5728\u4e5f\u53ef\u4ee5\u4f7f\u7528Gmail\u90ae\u7bb1\u8fdb\u884c\u6ce8\u518c\u3002
\n\u4e00\u65e6\u5b8c\u6210\u6ce8\u518c\uff0c\u51c6\u5907\u5de5\u4f5c\u5c31\u7b97\u5b8c\u6210\u4e86\u3002
\n\u5173\u4e8e\u5982\u4f55\u4f7f\u7528\u6211\u4eec\u5c06\u4f1a\u5728\u64cd\u4f5c\u8fc7\u7a0b\u4e2d\u89e3\u91ca\u3002
\n\u5173\u4e8eenebular\u7684\u4f7f\u7528\u65f6\u95f4\u9650\u5236\u662f\u4ece\u6253\u5f00\u5f00\u59cb\u7684\u4e00\u4e2a\u5c0f\u65f6\uff0c\u8d85\u8fc7\u4e00\u5c0f\u65f6\u540e\u9700\u8981\u91cd\u65b0\u6253\u5f00\uff0c\u8bf7\u6ce8\u610f\u3002<\/p>\n

\u4eb2\u8eab\u4f53\u9a8c<\/h4>\n

\u5207\u6362\u95ea\u70c1<\/h5>\n

\u9996\u5148\uff0c\u4eceL\u95ea\u5f00\u59cb\u5c1d\u8bd5\u3002
\n\u8fd9\u7c7b\u4f3c\u4e8eWeb\u5f00\u53d1\u4e2d\u7684Hello World\uff0c\u65e8\u5728\u9a8c\u8bc1\u5f00\u53d1\u73af\u5883\u548c\u8bbe\u5907\u662f\u5426\u6309\u9884\u671f\u5de5\u4f5c\u3002<\/p>\n

\u5c06LED\u7684\u9633\u6781\uff08\u957f\u811a\uff09\u8fde\u63a5\u5230ESP32\u5f00\u53d1\u677f\u7684GPIO 4\u5f15\u811a\u3002
\n\u5c06\u7535\u963b\u8fde\u63a5\u5230LED\u7684\u9634\u6781\u4e00\u4fa7\u3002\u7136\u540e\u5c06\u7535\u963b\u4eceGND\u63a5\u5730\u3002
\n\u8fde\u63a5\u65f6\uff0c\u8bf7\u4f7f\u7528\u8df3\u7ebf\u63d2\u9488\u8fdb\u884c\u8fde\u7ebf\u3002<\/p>\n

L\u95ea\u70c1\u4ee3\u7801\u793a\u4f8b<\/p>\n

#define LED_PIN 12   \/\/\u30d4\u30f3\u306e\u756a\u53f7\u3092\u6307\u5b9a\u3059\u308b\r\n<\/span>void<\/span> setup<\/span>()<\/span> {<\/span>\r\n  Serial<\/span>.<\/span>begin<\/span>(<\/span>115200<\/span>);<\/span>               \/\/\u30b7\u30ea\u30a2\u30eb\u901a\u4fe1\u306e\u30b9\u30bf\u30fc\u30c8<\/span>\r\n  Serial<\/span>.<\/span>println<\/span>(<\/span>\"LED Brynk start\"<\/span>);<\/span>  \/\/\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u8868\u793a\u3059\u308b<\/span>\r\n  pinMode<\/span>(<\/span>LED_PIN<\/span>,<\/span> OUTPUT<\/span>);<\/span>           \/\/\u30d4\u30f3\u3092\u51fa\u529b\u30e2\u30fc\u30c9\u306b\u3059\u308b<\/span>\r\n}<\/span>\r\n\r\nvoid<\/span> loop<\/span>()<\/span> {<\/span>     \/\/\u3053\u306e\u4e2d\u306b\u66f8\u3044\u305f\u6307\u793a\u304c\u7e70\u308a\u8fd4\u3055\u308c\u308b<\/span>\r\n  \r\n  digitalWrite<\/span>(<\/span>LED_PIN<\/span>,<\/span> HIGH<\/span>);<\/span>    \/\/\u70b9\u706f<\/span>\r\n  Serial<\/span>.<\/span>println<\/span>(<\/span>\"light on\"<\/span>);<\/span>     \/\/\u8868\u793a\u3057\u3066\u78ba\u8a8d<\/span>\r\n  delay<\/span>(<\/span>1000<\/span>);<\/span>                    \/\/\u6307\u5b9a\u3057\u305f\u6642\u9593\u5f85\u3064<\/span>\r\n  \r\n  digitalWrite<\/span>(<\/span>LED_PIN<\/span>,<\/span> LOW<\/span>);<\/span>     \/\/\u6d88\u706f<\/span>\r\n  Serial<\/span>.<\/span>println<\/span>(<\/span>\"light off\"<\/span>);<\/span>\r\n  delay<\/span>(<\/span>1000<\/span>);<\/span>                      \r\n}<\/span>\r\n<\/code><\/pre>\n
\u4f7f\u7528\u5fae\u578bUSB\u7535\u7f06\u5c06ESP32\u5f00\u53d1\u677f\u4e0e\u5f00\u53d1\u7528PC\u8fde\u63a5\u3002
\n\u5728Arduino IDE\u7684\u5de5\u5177\u83dc\u5355\u4e2d\u9009\u62e9ESP32Dev\u6a21\u5757\u4f5c\u4e3a\u5f00\u53d1\u677f\u3002
\n\u9009\u62e9\u4e0e\u8fde\u63a5ESP32\u7684\u7aef\u53e3\u3002
\n\u5982\u679c\u4e0d\u77e5\u9053\u7aef\u53e3\u5728\u54ea\u91cc\uff0c\u8bf7\u5728\u8bbe\u5907\u7ba1\u7406\u5668\u4e2d\u67e5\u770b\u3002(Windows)<\/p>\n
\u6309\u4e0b\u6309\u94ae\u8fdb\u884c\u7f16\u8bd1\u5e76\u8fdb\u884c\u5199\u5165\u3002
\n\u82e5\u81ea\u52a8\u5199\u5165\u672a\u80fd\u5b8c\u6210\uff0c\u540c\u65f6\u6309\u4e0bEN\u6309\u94ae\u548cBoot\u6309\u94ae\uff0c\u5148\u677e\u5f00EN\u6309\u94ae\u3002
\n\u5982\u679c\u65e0\u6cd5\u6210\u529f\u5199\u5165\uff0c\u8bf7\u544a\u8bc9\u6211\u3002<\/p>\n
\u53ea\u9700\u4e00\u4e2a\u9009\u9879\uff1a\u5982\u679c\u6210\u529f\u5730\u8fdb\u884c\u4e86\u5199\u5165\u64cd\u4f5c\uff0cLED\u706f\u5c06\u5728\u9884\u5b9a\u7684\u65f6\u95f4\u5185\u95ea\u70c1\u3002
\n\u4e3a\u4e86\u67e5\u770b\u4e32\u884c\u63a7\u5236\u53f0\uff0c\u5c06\u901a\u4fe1\u901f\u7387\uff08\u6ce2\u7279\u7387\uff09\u8bbe\u7f6e\u4e3a115200\u3002
\n\u4e00\u65e6LED\u5f00\u59cb\u95ea\u70c1\uff0c\u5c31\u53ef\u4ee5\u6309\u4e0bIDE\u4e0a\u7684\u653e\u5927\u955c\u56fe\u6807\u4ee5\u6253\u5f00\u4e32\u884c\u63a7\u5236\u53f0\u3002
\n\u786e\u8ba4\u6d88\u606f\u53ef\u4ee5\u663e\u793a\u51fa\u6765\u3002<\/p>\n
\u5149\u654f\u611f\u5e94\u5668<\/h5>\n
\u5c063.3V\u548c10k\u03a9\u7535\u963b\u8fde\u63a5\u5230\u5149\u654f\u4f20\u611f\u5668\u4e0a\u3002\u5c06\u7535\u963b\u7684\u53e6\u4e00\u7aef\u8fde\u63a5\u5230GND\u3002\u5c06\u5149\u654f\u4f20\u611f\u5668\u548c\u7535\u963b\u8fde\u63a5\u7684\u4f4d\u7f6e\u8fde\u63a5\u5230D32\u5f15\u811a\u4e0a\u3002<\/p>\n
\u5149\u654f\u611f\u5e94\u5668\u8bfb\u53d6\u4ee3\u7801\u793a\u4f8b<\/p>\n
#define LIGHT_PIN 35    \/\/\u30d4\u30f3\u756a\u53f7\u3092\u6307\u5b9a\r\n<\/span>\r\nvoid<\/span> setup<\/span>()<\/span> {<\/span>\r\n  Serial<\/span>.<\/span>begin<\/span>(<\/span>115200<\/span>);<\/span>\r\n  Serial<\/span>.<\/span>println<\/span>(<\/span>\"CdS start\"<\/span>);<\/span>\r\n  pinMode<\/span>(<\/span>LIGHT_PIN<\/span>,<\/span> INPUT<\/span>);<\/span>    \/\/\u30bb\u30f3\u30b5\u30fc\u30d4\u30f3\u306e\u30bb\u30c3\u30c8<\/span>\r\n}<\/span>\r\n\r\nvoid<\/span> loop<\/span>()<\/span> {<\/span>\r\n  int<\/span> Measurevalue<\/span>;<\/span>   \/\/\u30bb\u30f3\u30b5\u30fc\u306e\u5024\u3092\u8aad\u307f\u53d6\u308b\u305f\u3081\u306e\u5909\u6570\u3092\u7528\u610f<\/span>\r\n  Measurevalue<\/span> =<\/span> analogRead<\/span>(<\/span>LIGHT_PIN<\/span>);<\/span>   \/\/\u6e2c\u5b9a\u5024\u3092\u8aad\u307f\u3068\u308b<\/span>\r\n  \r\n  Serial<\/span>.<\/span>print<\/span>(<\/span>\"Mesure value is : \"<\/span>);<\/span>   \/\/\u8868\u793a\u3057\u3066\u78ba\u8a8d<\/span>\r\n  Serial<\/span>.<\/span>println<\/span>(<\/span>Measurevalue<\/span>);<\/span>\r\n  \r\n  delay<\/span>(<\/span>500<\/span>);<\/span>                           \/\/\u9045\u5ef6\u3092\u5165\u308c\u3066\u8aad\u307f\u53d6\u308a\u983b\u5ea6\u3092\u8abf\u6574<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u8bf7\u5c1d\u8bd5\u4f7f\u7528if\u8bed\u53e5\u7f16\u5199\u4e00\u4e2a\u7a0b\u5e8f\uff0c\u5f53\u5149\u654f\u4f20\u611f\u5668\u7684\u503c\u53d1\u751f\u53d8\u5316\u65f6\uff0cLED\u4f1a\u70b9\u4eae\u3002<\/p>\n
\u6c34\u5206\u611f\u77e5\u5668<\/h5>\n
\u5c06\u6c34\u5206\u4f20\u611f\u5668\u548cESP32\u5f00\u53d1\u677f\u8fdb\u884c\u8fde\u63a5\u3002
\nVCC\u8fde\u63a5\u52303.3V\uff0cGND\u8fde\u63a5\u5230GND\u3002\u4fe1\u53f7\u7ebf\u8fde\u63a5\u5230D32\u3002<\/p>\n
\u8bf7\u53c2\u8003\u5149\u654f\u4f20\u611f\u5668\u7684\u4ee3\u7801\uff0c\u5c06\u5176\u4e0e\u6e90\u4ee3\u7801\u7c7b\u6bd4\uff0c\u4f7f\u7528analogRead\u51fd\u6570\u3002\u5173\u4e8e\u5f15\u811a\u7684\u547d\u540d\uff0c\u5efa\u8bae\u5c06\u5176\u8bbe\u4e3a”MOIST_PIN”\u3002<\/p>\n
MQTT\u901a\u4fe1<\/h5>\n
\u9700\u8981\u4f7f\u7528MQTT\u901a\u4fe1\u5e93\u3002
\n\u8bf7\u4ece\u5e93\u7684\u5305\u542b\u4e2d\u5b89\u88c5PubSubClient\u3002
\n\u4f60\u4e5f\u53ef\u4ee5\u4ece\u8fd9\u91cc\u4e0b\u8f7d\u5e76\u5b89\u88c5\u3002
\n\u5982\u679c\u4f60\u611f\u5174\u8da3\uff0c\u53ef\u4ee5\u5c1d\u8bd5\u4e00\u4e0b\u3002<\/p>\n
\u4ee5\u4e0b\u662f\u7528\u4e8eMQTT\u53d1\u5e03\u7684\u793a\u4f8b\u4ee3\u7801\u3002\u4ee3\u7801\u6709\u70b9\u957f\uff0c\u57fa\u672c\u4e0a\u5efa\u8bae\u590d\u5236\u7c98\u8d34\u540e\u4f7f\u7528\u3002\u5982\u679c\u60a8\u5bf9\u4ee3\u7801\u5185\u5bb9\u611f\u5174\u8da3\uff0c\u53ef\u4ee5\u63d0\u95ee\uff0c\u6211\u4f1a\u5728\u6211\u4e86\u89e3\u7684\u8303\u56f4\u5185\u56de\u7b54\u3002<\/p>\n
\/*ESP32\u3067MQTT\u3092\u9001\u4fe1\u3059\u308b\u30b7\u30f3\u30d7\u30eb\u306a\u30d7\u30ed\u30b0\u30e9\u30e0\r\n * @author S.Nakamura 2022-04-23\r\n*\/<\/span>\r\n\r\n\r\n\/\/\u9001\u4fe1\u95a2\u4fc2\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u8aad\u307f\u8fbc\u307f<\/span>\r\n#include<\/span> <WiFi.h><\/span>\r\n#include<\/span> <PubSubClient.h><\/span>\r\n\r\n\/\/\u63a5\u7d9a\u3059\u308b\u30a2\u30af\u30bb\u30b9\u30dd\u30a4\u30f3\u30c8\u306e\u60c5\u5831<\/span>\r\nconst<\/span> char<\/span> *<\/span>ssid<\/span> =<\/span> \"your_ssid\"<\/span>;<\/span>\r\nconst<\/span> char<\/span> *<\/span>password<\/span> =<\/span> \"your_pass\"<\/span>;<\/span>\r\n\r\n\/\/ Pub\/Sub\u306e\u8a2d\u5b9a<\/span>\r\n\/\/ Pub\/Sub<\/span>\r\nconst<\/span> char<\/span>*<\/span> mqttHost<\/span> =<\/span> \"your_server_domain\"<\/span>;<\/span>                  \/\/ip\u30a2\u30c9\u30ec\u30b9\u304b\u30c9\u30e1\u30a4\u30f3\u3067\u6307\u5b9a\u3059\u308b<\/span>\r\nconst<\/span> int<\/span> mqttPort<\/span> =<\/span> 1883<\/span>;<\/span>                                    \/\/\u901a\u5e38\u306f1883\u304b8883<\/span>\r\n\r\n\/\/mqtt\u306e\u30e6\u30fc\u30b6\u30fc\u8a8d\u8a3c\u3092\u4f7f\u7528\u3059\u308b\u969b\u306b\u4f7f\u7528\u3059\u308b \u30cf\u30f3\u30ba\u30aa\u30f3\u3067\u306f\u4f7f\u7528\u3057\u306a\u3044<\/span>\r\n\/\/const char* mqtt_username = \"your name\";                \/\/\u30e6\u30fc\u30b6\u30fc\u30cd\u30fc\u30e0<\/span>\r\n\/\/const char* mqtt_password = \"your publish password\";    \/\/mqtt\u306e\u30d1\u30b9\u30ef\u30fc\u30c9<\/span>\r\n\r\nconst<\/span> char<\/span>*<\/span> topic<\/span> =<\/span> \"your_topic_name\"<\/span>;<\/span>                         \/\/ \u9001\u4fe1\u3059\u308b\u30c8\u30d4\u30c3\u30af\u540d\uff08\u5909\u66f4\uff09<\/span>\r\n\r\nWiFiClient<\/span> wifiClient<\/span>;<\/span>\r\nPubSubClient<\/span> mqttClient<\/span>(<\/span>wifiClient<\/span>);<\/span>\r\n\/\/\u3053\u3053\u307e\u3067\u901a\u4fe1\u95a2\u4fc2\u306e\u8a2d\u5b9a--------------------------------------------------------------<\/span>\r\n\r\n\r\n\/\/\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u5ba3\u8a00<\/span>\r\nvoid<\/span> connectWiFi<\/span>();<\/span>\r\nvoid<\/span> connectMqtt<\/span>();<\/span>\r\nvoid<\/span> MqttPublish<\/span>(<\/span>const<\/span> char<\/span> *<\/span>payload<\/span>);<\/span>\r\n\r\n\r\nvoid<\/span> setup<\/span>()<\/span> {<\/span>\r\n\r\n  Serial<\/span>.<\/span>begin<\/span>(<\/span>115200<\/span>);<\/span>   \/\/\u30b7\u30ea\u30a2\u30eb\u901a\u4fe1\u306e\u958b\u59cb<\/span>\r\n  connectWiFi<\/span>();<\/span>    \/\/\uff37\uff49-\uff26\uff49\u306e\u63a5\u7d9a\u78ba\u8a8d <\/span>\r\n  connectMqtt<\/span>();<\/span>    \/\/mQTT\u30b5\u30fc\u30d0\u30fc\u3078\u306e\u63a5\u7d9a\u78ba\u8a8d<\/span>\r\n  \r\n  MqttPublish<\/span>(<\/span>\"start\"<\/span>);<\/span>   \/\/MQTT\u9001\u4fe1\u78ba\u8a8d<\/span>\r\n}<\/span>\r\n\r\n\/\/1\u79d2\u3054\u3068\u306b\u30ab\u30a6\u30f3\u30c8\u30a2\u30c3\u30d7\u3059\u308b\u305f\u3081\u306e\u30ab\u30a6\u30f3\u30bf\u30fc<\/span>\r\nint<\/span> timer<\/span>;<\/span>\r\nint<\/span> old_time<\/span> =<\/span>0<\/span>;<\/span>\r\nint<\/span> timeCounter<\/span> =<\/span> 0<\/span>;<\/span>  \r\n\r\nvoid<\/span> loop<\/span>()<\/span> {<\/span>\r\n  \r\n    \/\/\u30c6\u30b9\u30c8\u3068\u3057\u3066\u5b9f\u884c\u3057\u3066\u304a\u304f\u51e6\u7406<\/span>\r\n    \/\/1\u79d2\u3054\u3068\u306b\u30ab\u30a6\u30f3\u30c8\u30a2\u30c3\u30d7\u3059\u308b<\/span>\r\n    timer<\/span> =<\/span> millis<\/span>();<\/span>\r\n    if<\/span>((<\/span>timer<\/span> -<\/span> old_time<\/span>)<\/span> >=<\/span> 1000<\/span>){<\/span>\r\n      timeCounter<\/span> =<\/span> timeCounter<\/span> +<\/span>1<\/span>;<\/span>\r\n      Serial<\/span>.<\/span>print<\/span>(<\/span>\"count is \"<\/span>);<\/span>\r\n      Serial<\/span>.<\/span>println<\/span>(<\/span>timeCounter<\/span>);<\/span>\r\n      \r\n      \/\/\u8a08\u6e2c\u6642\u9593\u306e\u57fa\u6e96\u4f5c\u6210<\/span>\r\n      old_time<\/span> =<\/span> timer<\/span>;<\/span> \r\n    }<\/span>\r\n    \r\n    \/\/\u30d5\u30e9\u30b0\u3092\u78ba\u8a8d\u3057\u3066MQTT\u306e\u9001\u4fe1 <\/span>\r\n    if<\/span> (<\/span>timeCounter<\/span> ><\/span> 9<\/span>)<\/span> {<\/span>\r\n      timeCounter<\/span> =<\/span> 0<\/span>;<\/span>\r\n      \r\n      MqttPublish<\/span>(<\/span>\"test\"<\/span>);<\/span>    \/\/mqt\u3092\u9001\u4fe1\u3059\u308b<\/span>\r\n     \r\n    }<\/span>\r\n}<\/span>\r\n\r\n\r\n\/\/\u901a\u4fe1\u95a2\u4fc2\u306e\u51e6\u7406<\/span>\r\n\/\/--------------------------------------------------------<\/span>\r\n\/\/Wi-Fi\u3092\u63a5\u7d9a\u3059\u308b<\/span>\r\nvoid<\/span> connectWiFi<\/span>(){<\/span>\r\n\r\n  \/\/Wi-Fi\u306e\u30a2\u30af\u30bb\u30b9\u30dd\u30a4\u30f3\u30c8\u306b\u63a5\u7d9a<\/span>\r\n  \/\/\u7b2c\u4e00\u5f15\u6570\uff1assid<\/span>\r\n  \/\/\u7b2c\u4e8c\u5f15\u6570\uff1a\u30d1\u30b9\u30ef\u30fc\u30c9      <\/span>\r\n  WiFi<\/span>.<\/span>begin<\/span>(<\/span>ssid<\/span>,<\/span> password<\/span>);<\/span>\r\n  Serial<\/span>.<\/span>print<\/span>(<\/span>\"WiFi connecting...\"<\/span>);<\/span>\r\n\r\n  int<\/span> i<\/span> =<\/span> 0<\/span> ;<\/span>   \/\/\u63a5\u7d9a\u78ba\u8a8d\u306e\u6642\u9593<\/span>\r\n  \/\/Wi-Fi\u306e\u63a5\u7d9a\u78ba\u8a8d<\/span>\r\n  while<\/span>(<\/span>WiFi<\/span>.<\/span>status<\/span>()<\/span> !=<\/span> WL_CONNECTED<\/span>)<\/span> {<\/span>\r\n  i<\/span> +=<\/span> 1<\/span>;<\/span>\r\n  Serial<\/span>.<\/span>print<\/span>(<\/span>\".\"<\/span>);<\/span>\r\n  delay<\/span>(<\/span>1000<\/span>);<\/span>\r\n  \/\/10\u79d2\u9593Wi-Fi\u304c\u63a5\u7d9a\u3067\u304d\u306a\u3044\u3068\u304d\u306f\u63a5\u7d9a\u3092\u3084\u308a\u76f4\u3059<\/span>\r\n  if<\/span> (<\/span>i<\/span> ==<\/span> 10<\/span>){<\/span>\r\n    Serial<\/span>.<\/span>println<\/span>(<\/span>\"WiFi reset\"<\/span>);<\/span>\r\n    connectWiFi<\/span>();<\/span>\r\n      }<\/span>\r\n  }<\/span>\r\n  \/\/Wi-Fi\u306e\u63a5\u7d9a\u304c\u78ba\u8a8d\u51fa\u6765\u305f\u3089\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u8868\u793a\u3057\u3066\u78ba\u8a8d\u3059\u308b      <\/span>\r\n  Serial<\/span>.<\/span>print<\/span>(<\/span>\" connected. \"<\/span>);<\/span>\r\n  Serial<\/span>.<\/span>println<\/span>(<\/span>WiFi<\/span>.<\/span>localIP<\/span>());<\/span>\r\n\r\n}<\/span>\r\n\r\n\/\/MQTT\u306e\u63a5\u7d9a<\/span>\r\n\/\/mqtt\u306b\u63a5\u7d9a\u3059\u308b\u95a2\u6570<\/span>\r\nvoid<\/span> connectMqtt<\/span>(){<\/span>\r\n  \r\n  \/\/Wi-Fi\u306e\u63a5\u7d9a\u78ba\u8a8d<\/span>\r\n  while<\/span>(<\/span>WiFi<\/span>.<\/span>status<\/span>()<\/span> !=<\/span> WL_CONNECTED<\/span>)<\/span> {<\/span>\r\n    Serial<\/span>.<\/span>print<\/span>(<\/span>\"WiFi is not connect\"<\/span>);<\/span>\r\n    connectWiFi<\/span>();<\/span>\r\n  }<\/span>\r\n  \r\n  \/\/broker\u30b5\u30fc\u30d0\u30fc\u306b\u63a5\u7d9a\u3059\u308b<\/span>\r\n  \/\/\u7b2c\u4e00\u5f15\u6570\uff1a\u30d6\u30ed\u30fc\u30ab\u30fc\u30b5\u30fc\u30d0\u30fc\u306e\u30c9\u30e1\u30a4\u30f3\u3082\u3057\u304f\u306fip\u30a2\u30c9\u30ec\u30b9<\/span>\r\n  \/\/\u7b2c\u4e8c\u5f15\u6570\uff1a\u63a5\u7d9a\u3059\u308b\u30dd\u30fc\u30c8\uff08\u901a\u5e38\u306f1883\u304b8883\uff09<\/span>\r\n  mqttClient<\/span>.<\/span>setServer<\/span>(<\/span>mqttHost<\/span>,<\/span> mqttPort<\/span>);<\/span>\r\n\r\n  \/\/clientID\u3092\u4f5c\u6210\u3057\u3066\u30b5\u30fc\u30d0\u30fc\u306b\u63a5\u7d9a\u3059\u308b<\/span>\r\n  while<\/span>(<\/span> !<\/span> mqttClient<\/span>.<\/span>connected<\/span>()<\/span> )<\/span> {<\/span>\r\n\r\n    Serial<\/span>.<\/span>println<\/span>(<\/span>\"Connecting to MQTT...\"<\/span>);<\/span>\r\n    \r\n    \/\/Mac\u30a2\u30c9\u30ec\u30b9\u304b\u3089\u30af\u30e9\u30a4\u30a2\u30f3\u30c8ID\u3092\u4f5c\u6210\u3059\u308b<\/span>\r\n    String<\/span> clientId<\/span> =<\/span> \"ESP32-\"<\/span> +<\/span>  getMacAddr<\/span>();<\/span>\r\n    \/\/\u78ba\u8a8d\u7528\u306e\u8868\u793a<\/span>\r\n    Serial<\/span>.<\/span>print<\/span>(<\/span>\"clientID : \"<\/span>);<\/span> \r\n    Serial<\/span>.<\/span>println<\/span>(<\/span>clientId<\/span>.<\/span>c_str<\/span>());<\/span> \r\n    \r\n    \/\/\u63a5\u7d9a\u306e\u78ba\u8a8d<\/span>\r\n    \/\/if ( mqttClient.connect(clientId.c_str(),mqtt_username, mqtt_password) ) {  \/\/\u30e6\u30fc\u30b6\u30fc\u8a8d\u8a3c\u3092\u884c\u3046\u6642\u306f\u3053\u3061\u3089\u3092\u5229\u7528\u3059\u308b<\/span>\r\n    if<\/span> (<\/span> mqttClient<\/span>.<\/span>connect<\/span>(<\/span>clientId<\/span>.<\/span>c_str<\/span>()))<\/span> {<\/span> \r\n      Serial<\/span>.<\/span>println<\/span>(<\/span>\"connected\"<\/span>);<\/span> \r\n\r\n    }<\/span>\r\n  }<\/span>\r\n}<\/span>\r\n\r\n\/\/Mqtt\u306e\u9001\u4fe1<\/span>\r\nvoid<\/span> MqttPublish<\/span>(<\/span>const<\/span> char<\/span> *<\/span>payload<\/span>){<\/span>\r\n\r\n  \/\/mqtt\u306e\u63a5\u7d9a\u3092\u78ba\u8a8d<\/span>\r\n  while<\/span>(<\/span> !<\/span> mqttClient<\/span>.<\/span>connected<\/span>()<\/span> )<\/span> {<\/span>\r\n    Serial<\/span>.<\/span>println<\/span>(<\/span>\"Mqtt is not connect\"<\/span>);<\/span>\r\n    connectMqtt<\/span>();<\/span>\r\n  }<\/span>\r\n \r\n  \/\/mqtt\u306e\u9001\u4fe1<\/span>\r\n  \/\/\u7b2c\u4e00\u5f15\u6570\uff1a\u30c8\u30d4\u30c3\u30af\u540d<\/span>\r\n  \/\/\u7b2c\u4e8c\u5f15\u6570\uff1a\u9001\u4fe1\u3059\u308b\u30c7\u30fc\u30bf<\/span>\r\n  mqttClient<\/span>.<\/span>publish<\/span>(<\/span>topic<\/span>,<\/span> payload<\/span>);<\/span>\r\n  \/\/\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u9001\u4fe1\u3059\u308b\u30c7\u30fc\u30bf\u3092\u8868\u793a\u3057\u3066\u78ba\u8a8d<\/span>\r\n  Serial<\/span>.<\/span>print<\/span>(<\/span>\"published \"<\/span>);<\/span>\r\n  Serial<\/span>.<\/span>println<\/span>(<\/span>payload<\/span>);<\/span>\r\n\r\n}<\/span>\r\n\r\n\/\/ Mac\u30a2\u30c9\u30ec\u30b9\u3092\u6587\u5b57\u5217\u3067\u53d6\u5f97\u3059\u308b mqtt\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8ID\u306b\u5229\u7528\u3059\u308b<\/span>\r\nString<\/span> getMacAddr<\/span>()<\/span>\r\n{<\/span>\r\n    byte<\/span> mac<\/span>[<\/span>6<\/span>];<\/span>\r\n    char<\/span> buf<\/span>[<\/span>50<\/span>];<\/span>\r\n    WiFi<\/span>.<\/span>macAddress<\/span>(<\/span>mac<\/span>);<\/span>\r\n    sprintf<\/span>(<\/span>buf<\/span>,<\/span> \"%02x%02x%02x%02x%02x%02x\"<\/span>,<\/span> mac<\/span>[<\/span>0<\/span>],<\/span> mac<\/span>[<\/span>1<\/span>],<\/span> mac<\/span>[<\/span>2<\/span>],<\/span> mac<\/span>[<\/span>3<\/span>],<\/span> mac<\/span>[<\/span>4<\/span>],<\/span> mac<\/span>[<\/span>5<\/span>]);<\/span>\r\n    return<\/span> String<\/span>(<\/span>buf<\/span>);<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u8bf7\u5728\u5f53\u5929\u4f1a\u573a\u4f7f\u7528\u6307\u5b9a\u7684\u8bbf\u95ee\u70b9\u4fe1\u606f\u3001\u670d\u52a1\u5668\u4fe1\u606f\u548c\u4e3b\u9898\u4fe1\u606f\u3002<\/p>\n
\u53d1\u9001\u5b9e\u9645\u6d4b\u91cf\u6570\u636e<\/h5>\n
\u8fd9\u6b21\u6211\u4eec\u4f1a\u5c06\u6d4b\u91cf\u6570\u636e\u4ee5JSON\u7684\u5f62\u5f0f\u88c5\u5165payload\u5e76\u53d1\u9001\u3002
\n\u9996\u5148\uff0c\u6211\u4eec\u4f1a\u521b\u5efa\u7528\u4e8e\u53d1\u9001\u7684payload\u3002
\n\u4f7f\u7528sprintf\u51fd\u6570\u5c06JSON\u4ee5\u5b57\u7b26\u4e32\u5f62\u5f0f\u521b\u5efa\u3002<\/p>\n
char<\/span> payload<\/span>[<\/span>50<\/span>];<\/span>\r\n\r\nsprintf<\/span>(<\/span>payload<\/span>,<\/span> \"{<\/span>\\\"<\/span>valueID<\/span>\\\"<\/span>:<\/span>\\\"<\/span>01<\/span>\\\"<\/span>,<\/span>\\\"<\/span>moist<\/span>\\\"<\/span>:%d,<\/span>\\\"<\/span>light<\/span>\\\"<\/span>:%d}\"<\/span>,<\/span> moist<\/span>,<\/span> light<\/span>)<\/span>\r\n<\/code><\/pre>\n
\u6211\u4f1a\u89e3\u91ca\u4e00\u4e0b\u5728\u505a\u4ec0\u4e48\u3002
\n\u9996\u5148\u51c6\u5907\u4e00\u4e2a\u5b57\u7b26\u4e32\u6570\u7ec4\uff0c\u5e76\u4fdd\u7559\u4e00\u4e2a\u533a\u57df\u6765\u5b58\u653e\u521b\u5efa\u7684\u5b57\u7b26\u4e32\u3002
\n\u6211\u51c6\u5907\u4e8650\u4e2a\u5b57\u8282\uff0c\u4f46\u4e3a\u4e86\u9632\u6b62\u6ea2\u51fa\uff0c\u6211\u4f1a\u8fdb\u884c\u9002\u5f53\u7684\u8bbe\u7f6e\u3002
\n\u63a5\u4e0b\u6765\u662fsprintf\u51fd\u6570\uff0c\u7b2c\u4e00\u4e2a\u53c2\u6570\u662f\u8f93\u51fa\u7684\u5b58\u50a8\u4f4d\u7f6e\uff0c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u662f\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\uff0c\u7b2c\u4e09\u4e2a\u53c2\u6570\u8d77\u7528\u4e8e\u63d2\u5165\u5230\u5b57\u7b26\u4e32\u4e2d\u7684\u503c\u3002<\/p>\n
%d\u88ab\u79f0\u4e3a\u683c\u5f0f\u6307\u793a\u7b26\uff0c\u8868\u793a\u6709\u7b26\u53f7\u6574\u6570\u3002
\n\u53e6\u5916\uff0cJSON\u662f\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u9700\u8981\u7528\u53cc\u5f15\u53f7\u5305\u56f4\u3002JSON\u7684\u5c5e\u6027\u4e5f\u9700\u8981\u7528\u53cc\u5f15\u53f7\u5305\u56f4\uff0c\u4f46\u662f\u5982\u679c\u76f4\u63a5\u4f7f\u7528\uff0c\u8ba1\u7b97\u673a\u65e0\u6cd5\u5224\u65ad\u54ea\u4e00\u90e8\u5206\u662f\u5b57\u7b26\u4e32\uff0c\u56e0\u6b64\u6211\u4eec\u7528\u53cc\u5f15\u53f7\u6765\u8868\u793a\u3002\u53cd\u659c\u6760\uff08\\\uff09\u88ab\u79f0\u4e3a\u8f6c\u4e49\u5e8f\u5217\uff0c\u5177\u6709\u7279\u6b8a\u610f\u4e49\u3002
\n\uff08\u4f8b\u5982\uff09<\/p>\n
\n
\u30a8\u30b9\u30b1\u30fc\u30d7\u30b7\u30fc\u30b1\u30f3\u30b9\u610f\u5473\\n\u6539\u884c\\”\u30c0\u30d6\u30eb\u30af\u30a9\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\\0null\u6587\u5b57<\/div>\n<\/div>\n
\u63a5\u4e0b\u6765\u6211\u5c06\u5199\u4e0b\u4e00\u4e2a\u53d1\u9001\u5b9e\u9645\u6570\u636e\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n
\/*cds\u30bb\u30f3\u30b5\u30fc\u306e\u52d5\u304d\u3068\u6e7f\u5ea6\u30bb\u30f3\u30b5\u30fc\u3067\u6e2c\u5b9a\u3057\u305f\u5024\u3092mqtt\u3067\u9001\u4fe1\u3059\u308b\u30b7\u30f3\u30d7\u30eb\u306a\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u3059\r\n * \r\n * @author S.Nakamura 2022-04-23\r\n *\/<\/span>\r\n\r\n\/\/\u4f7f\u7528\u3059\u308b\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u8aad\u307f\u8fbc\u307f<\/span>\r\n#include<\/span> <WiFi.h><\/span>\r\n#include<\/span> <PubSubClient.h><\/span>\r\n\r\n\/\/Wi-Fi\u306e\u30a2\u30af\u30bb\u30b9\u30dd\u30a4\u30f3\u30c8\u306e\u63a5\u7d9a\u60c5\u5831<\/span>\r\nconst<\/span> char<\/span> ssid<\/span>[]<\/span> =<\/span> \"your_ssid\"<\/span>;<\/span>\r\nconst<\/span> char<\/span> passwd<\/span>[]<\/span> =<\/span> \"your_pass\"<\/span>;<\/span>\r\n\r\n\/\/broker\u30b5\u30fc\u30d0\u30fc\u306e\u63a5\u7d9a\u60c5\u5831<\/span>\r\nconst<\/span> char<\/span>*<\/span> mqttHost<\/span> =<\/span> \"######\"<\/span>;<\/span> \/\/ MQTT\u306eIP\u304b\u30db\u30b9\u30c8\u540d<\/span>\r\nconst<\/span> int<\/span> mqttPort<\/span> =<\/span> 1883<\/span>;<\/span>       \/\/ MQTT\u306e\u30dd\u30fc\u30c8<\/span>\r\n\r\nWiFiClient<\/span> wifiClient<\/span>;<\/span>\r\nPubSubClient<\/span> mqttClient<\/span>(<\/span>wifiClient<\/span>);<\/span>\r\n\r\nconst<\/span> char<\/span>*<\/span> topic_pub<\/span> =<\/span> \"handson0429\"<\/span>;<\/span>                         \/\/ \u9001\u4fe1\u3059\u308b\u30c8\u30d4\u30c3\u30af\u540d<\/span>\r\n\/\/const char* topic_sub = \"\u4eca\u56de\u306f\u4f7f\u7528\u3057\u307e\u305b\u3093\";                      \/\/ \u53d7\u4fe1\u3059\u308b\u30c8\u30d4\u30c3\u30af\u540d<\/span>\r\nchar<\/span>*<\/span> payload<\/span>;<\/span>                   \/\/ \u9001\u4fe1\u3059\u308b\u30c7\u30fc\u30bf<\/span>\r\n\r\n\/\/\u30bb\u30f3\u30b5\u30fc\u3067\u4f7f\u7528\u3059\u308b\u30d4\u30f3\u3092\u6307\u5b9a<\/span>\r\n#define MOIST_PIN 32\r\n#define CDS_PIN 35\r\n<\/span>\r\n\/\/\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u5ba3\u8a00<\/span>\r\nbool<\/span> connectWiFi<\/span>();<\/span>\r\n\/\/esp\u306eMac\u30a2\u30c9\u30ec\u30b9\u3092\u53d6\u5f97\u3059\u308b<\/span>\r\nString<\/span> getMacAddr<\/span>();<\/span>\r\n\/\/\u30b5\u30fc\u30d0\u30fc\u3068\u306e\u63a5\u7d9a\u306e\u78ba\u8a8d\u3092\u3059\u308b<\/span>\r\nvoid<\/span> connectMqtt<\/span>();<\/span>\r\n\/\/Mqtt\u3092\u9001\u4fe1\u3059\u308b<\/span>\r\n\/\/\u7b2c\u4e00\u5f15\u6570\uff1b\u6c34\u5206\u30bb\u30f3\u30b5\u30fc\u306e\u6e2c\u5b9a\u5024<\/span>\r\n\/\/\u7b2c\u4e8c\u5f15\u6570\uff1acds\u30bb\u30f3\u30b5\u30fc\u306e\u6e2c\u5b9a\u5024<\/span>\r\nvoid<\/span> MqttPublish<\/span>(<\/span>int<\/span> moist<\/span>,<\/span> int<\/span> cds<\/span>);<\/span>\r\n\r\n\r\nvoid<\/span> setup<\/span>()<\/span> {<\/span>\r\n  Serial<\/span>.<\/span>begin<\/span>(<\/span>115200<\/span>);<\/span>\r\n  Serial<\/span>.<\/span>println<\/span>(<\/span>\"CdS Moist sensor moving check start\"<\/span>);<\/span>\r\n  pinMode<\/span>(<\/span>MOIST_PIN<\/span>,<\/span> INPUT<\/span>);<\/span>\r\n  pinMode<\/span>(<\/span>CDS_PIN<\/span>,<\/span> INPUT<\/span>);<\/span>\r\n  connectWiFi<\/span>();<\/span>      \/\/\u63a5\u7d9a\u78ba\u8a8d<\/span>\r\n  connectMqtt<\/span>();<\/span>\r\n}<\/span>\r\n\r\nvoid<\/span> loop<\/span>()<\/span> {<\/span>\r\n  \r\n  int<\/span> MeasureMoist<\/span>;<\/span>                     \/\/\u8aad\u307f\u53d6\u3063\u305f\u5024\u3092\u5165\u308c\u3066\u304a\u304f\u9818\u57df\u3092\u78ba\u4fdd<\/span>\r\n  int<\/span> MeasureCds<\/span>;<\/span>\r\n  MeasureMoist<\/span> =<\/span> analogRead<\/span>(<\/span>MOIST_PIN<\/span>);<\/span> \/\/\u6c34\u5206\u30bb\u30f3\u30b5\u30fc\u306e\u5024\u3092\u8aad\u307f\u53d6\u308b<\/span>\r\n  MeasureCds<\/span> =<\/span> analogRead<\/span>(<\/span>CDS_PIN<\/span>);<\/span>     \/\/cds\u30bb\u30f3\u30b5\u30fc\u306e\u5024\u3092\u8aad\u307f\u53d6\u308b<\/span>\r\n  \r\n  Serial<\/span>.<\/span>print<\/span>(<\/span>\"Mesure Moist is : \"<\/span>);<\/span>   \/\/\u8868\u793a\u3057\u3066\u78ba\u8a8d<\/span>\r\n  Serial<\/span>.<\/span>println<\/span>(<\/span>MeasureMoist<\/span>);<\/span>\r\n  Serial<\/span>.<\/span>print<\/span>(<\/span>\"Mesure Cds is : \"<\/span>);<\/span>\r\n  Serial<\/span>.<\/span>println<\/span>(<\/span>MeasureCds<\/span>);<\/span>\r\n\r\n  MqttPublish<\/span>(<\/span>MeasureMoist<\/span>,<\/span> MeasureCds<\/span>);<\/span>  \/\/mqtt\u3092\u9001\u4fe1<\/span>\r\n  delay<\/span>(<\/span>1000<\/span>);<\/span>      \/\/\u9001\u4fe1\u983b\u5ea6\u3092\u8abf\u6574\u3059\u308b\u305f\u3081\u306b\u9045\u5ef6\u3092\u5165\u308c\u308b<\/span>\r\n}<\/span>\r\n\r\n\r\n\/\/Wi-Fi\u306e\u63a5\u7d9a\u78ba\u8a8d<\/span>\r\nbool<\/span> connectWiFi<\/span>(){<\/span>\r\n        \r\n  WiFi<\/span>.<\/span>begin<\/span>(<\/span>ssid<\/span>,<\/span> passwd<\/span>);<\/span>\r\n  Serial<\/span>.<\/span>print<\/span>(<\/span>\"WiFi connecting...\"<\/span>);<\/span>\r\n  \/\/10\u79d2\u305f\u3063\u3066\u3082\u63a5\u7d9a\u3055\u308c\u3066\u3044\u306a\u3044\u3068\u304d\u306f\u30ea\u30bb\u30c3\u30c8\u3059\u308b<\/span>\r\n  int<\/span> i<\/span> =<\/span> 0<\/span> ;<\/span>   \/\/\u63a5\u7d9a\u78ba\u8a8d\u306e\u30ea\u30bb\u30c3\u30c8\u7528<\/span>\r\n  while<\/span>(<\/span>WiFi<\/span>.<\/span>status<\/span>()<\/span> !=<\/span> WL_CONNECTED<\/span>)<\/span> {<\/span>\r\n  i<\/span> +=<\/span> 1<\/span>;<\/span>\r\n  Serial<\/span>.<\/span>print<\/span>(<\/span>\"...\"<\/span>);<\/span>\r\n  delay<\/span>(<\/span>1000<\/span>);<\/span>\r\n  if<\/span> (<\/span>i<\/span> ==<\/span> 10<\/span>){<\/span>\r\n    Serial<\/span>.<\/span>println<\/span>(<\/span>\"wi-fi reset\"<\/span>);<\/span>\r\n    connectWiFi<\/span>();<\/span>\r\n      }<\/span>\r\n  }<\/span>\r\n        \r\n  Serial<\/span>.<\/span>print<\/span>(<\/span>\" connected. \"<\/span>);<\/span>\r\n  Serial<\/span>.<\/span>println<\/span>(<\/span>WiFi<\/span>.<\/span>localIP<\/span>());<\/span>\r\n\r\n  return<\/span> true<\/span>;<\/span>\r\n}<\/span>\r\n\r\n\r\n\/\/mqtt\u30b5\u30fc\u30d0\u30fc\u306b\u63a5\u7d9a<\/span>\r\nvoid<\/span> connectMqtt<\/span>(){<\/span>\r\n  \r\n  \/\/Wi-Fi\u306e\u63a5\u7d9a\u78ba\u8a8d<\/span>\r\n  while<\/span>(<\/span>WiFi<\/span>.<\/span>status<\/span>()<\/span> !=<\/span> WL_CONNECTED<\/span>)<\/span> {<\/span>\r\n    \r\n  Serial<\/span>.<\/span>print<\/span>(<\/span>\"WiFi is not connect\"<\/span>);<\/span>\r\n  connectWiFi<\/span>();<\/span>\r\n\r\n  }<\/span>\r\n  \r\n  \/\/broker\u30b5\u30fc\u30d0\u30fc\u306b\u63a5\u7d9a\u3059\u308b<\/span>\r\n  \/\/\u7b2c\u4e00\u5f15\u6570\uff1a\u30d6\u30ed\u30fc\u30ab\u30fc\u30b5\u30fc\u30d0\u30fc\u306e\u30c9\u30e1\u30a4\u30f3\u3082\u3057\u304f\u306fip\u30a2\u30c9\u30ec\u30b9<\/span>\r\n  \/\/\u7b2c\u4e8c\u5f15\u6570\uff1a\u63a5\u7d9a\u3059\u308b\u30dd\u30fc\u30c8\uff08\u901a\u5e38\u306f1883\u304b8883\uff09<\/span>\r\n  mqttClient<\/span>.<\/span>setServer<\/span>(<\/span>mqttHost<\/span>,<\/span> mqttPort<\/span>);<\/span>\r\n  \r\n\r\n  \/\/clientID\u3092\u4f5c\u6210\u3057\u3066\u30b5\u30fc\u30d0\u30fc\u306b\u63a5\u7d9a\u3059\u308b<\/span>\r\n  while<\/span>(<\/span> !<\/span> mqttClient<\/span>.<\/span>connected<\/span>()<\/span> )<\/span> {<\/span>\r\n\r\n    Serial<\/span>.<\/span>println<\/span>(<\/span>\"Connecting to MQTT...\"<\/span>);<\/span>\r\n    \r\n    \/\/Mac\u30a2\u30c9\u30ec\u30b9\u304b\u3089\u30af\u30e9\u30a4\u30a2\u30f3\u30c8ID\u3092\u4f5c\u6210\u3059\u308b<\/span>\r\n    String<\/span> clientId<\/span> =<\/span> \"ESP32-\"<\/span> +<\/span>  getMacAddr<\/span>();<\/span>\r\n    \/\/\u78ba\u8a8d\u7528\u306e\u8868\u793a<\/span>\r\n    Serial<\/span>.<\/span>print<\/span>(<\/span>\"clientID : \"<\/span>);<\/span> \r\n    Serial<\/span>.<\/span>println<\/span>(<\/span>clientId<\/span>.<\/span>c_str<\/span>());<\/span> \r\n    \r\n    \/\/\u63a5\u7d9a\u306e\u78ba\u8a8d<\/span>\r\n    \/\/if ( mqttClient.connect(clientId.c_str(),mqtt_username, mqtt_password) ) {  \/\/\u30e6\u30fc\u30b6\u30fc\u8a8d\u8a3c\u3092\u884c\u3046\u6642\u306f\u3053\u3061\u3089\u3092\u5229\u7528\u3059\u308b<\/span>\r\n    if<\/span> (<\/span> mqttClient<\/span>.<\/span>connect<\/span>(<\/span>clientId<\/span>.<\/span>c_str<\/span>()))<\/span> {<\/span> \r\n      Serial<\/span>.<\/span>println<\/span>(<\/span>\"connected\"<\/span>);<\/span> \r\n\r\n    }<\/span>\r\n  }<\/span>\r\n}<\/span>\r\n\r\n\r\n\r\n\r\n\r\n\/\/mqtt\u3092\u9001\u4fe1\u3059\u308b\u95a2\u6570<\/span>\r\n\/\/\u5f15\u6570\uff1a\u306a\u3057<\/span>\r\n\/\/\u30b9\u30c6\u30fc\u30bf\u30b9\u3092\u8fd4\u3059\u3088\u3046\u306b\u3057\u305f\u3044<\/span>\r\nvoid<\/span> MqttPublish<\/span>(<\/span>int<\/span> moist<\/span>,<\/span> int<\/span> cds<\/span>){<\/span>\r\n  \r\n\r\n  \/\/\u7b2c\u4e00\u5f15\u6570\uff1a\u30c8\u30d4\u30c3\u30af\u540d<\/span>\r\n  \/\/\u7b2c\u4e8c\u5f15\u6570\uff1a\u9001\u4fe1\u3059\u308b\u30c7\u30fc\u30bf<\/span>\r\n  char<\/span> payload<\/span>[<\/span>125<\/span>];<\/span>    \/\/\u5927\u304d\u3081\u306b\u78ba\u4fdd<\/span>\r\n  sprintf<\/span>(<\/span>payload<\/span>,<\/span>\"{<\/span>\\\"<\/span>deviceId<\/span>\\\"<\/span>:<\/span>\\\"<\/span>01<\/span>\\\"<\/span>,<\/span>\\\"<\/span>moist<\/span>\\\"<\/span>:%d,<\/span>\\\"<\/span>light<\/span>\\\"<\/span>:%d}\"<\/span>,<\/span> moist<\/span>,<\/span> cds<\/span>);<\/span>\r\n  mqttClient<\/span>.<\/span>publish<\/span>(<\/span>topic_pub<\/span>,<\/span> payload<\/span>);<\/span>\r\n  Serial<\/span>.<\/span>println<\/span>(<\/span>\"published Message is \"<\/span>);<\/span>\r\n  Serial<\/span>.<\/span>println<\/span>(<\/span>payload<\/span>);<\/span>\r\n\r\n}<\/span>\r\n\r\n\/\/ Mac\u30a2\u30c9\u30ec\u30b9\u3092\u6587\u5b57\u5217\u3067\u53d6\u5f97\u3059\u308b<\/span>\r\nString<\/span> getMacAddr<\/span>()<\/span>\r\n{<\/span>\r\n  byte<\/span> mac<\/span>[<\/span>6<\/span>];<\/span>\r\n  char<\/span> buf<\/span>[<\/span>50<\/span>];<\/span>\r\n  WiFi<\/span>.<\/span>macAddress<\/span>(<\/span>mac<\/span>);<\/span>\r\n  sprintf<\/span>(<\/span>buf<\/span>,<\/span> \"%02x%02x%02x%02x%02x%02x\"<\/span>,<\/span> mac<\/span>[<\/span>0<\/span>],<\/span> mac<\/span>[<\/span>1<\/span>],<\/span> mac<\/span>[<\/span>2<\/span>],<\/span> mac<\/span>[<\/span>3<\/span>],<\/span> mac<\/span>[<\/span>4<\/span>],<\/span> mac<\/span>[<\/span>5<\/span>]);<\/span>\r\n  return<\/span> String<\/span>(<\/span>buf<\/span>);<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u5b8c\u6210\u540e\u8bf7\u5199\u4e0b\uff0c\u5e76\u786e\u8ba4\u662f\u5426\u53d1\u9001\u4e86\u6570\u636e\u3002<\/p>\n
\u4e91\u7aef\u63a5\u6536<\/h5>\n
\u8bf7\u5728\u4e91\u7aef\u8fdb\u884c\u4ee5\u4e0b\u64cd\u4f5c\u3002
\n\u8bf7\u6253\u5f00\u4e4b\u524d\u6ce8\u518c\u597d\u7684enebular\u6d41\u7a0b\u3002<\/p>\n
\"image.png\"<\/div>\n
\u5b89\u88c5Kafka\u8282\u70b9<\/h5>\n
\"image.png\"<\/div>\n
\u8bf7\u63d0\u4f9b\u6709\u5173\u6b64\u4e8b\u7684\u60c5\u62a5\u3002<\/h5>\n
\u5728GitHub\u4e0a\u4e0e\u5173\u4e8eESP32\u624b\u628a\u624b\u5f00\u53d1\u76f8\u5173\u7684\u9879\u76ee\uff0c\u53ef\u4ee5\u53c2\u8003shinrinakamura\/esp32handson\u3002<\/p>\n
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