使用esp8266 连接 见登iot 远程控制继电器

 #include <ESP8266WiFi.h>
    #include <PubSubClient.h>
    #include <ArduinoJson.h>
     
    const char* ssid = "Sanby";
    const char* password = "1234567890";
    const char* mqtt_server = "182.92.223.22";
    const char* mqtt_id = "v1/devices/me/telemetry";
    const char* mqtt_subid = "v1/devices/me/rpc/request/+";
    const int mqttPort = 1883;
    
     
    WiFiClient espClient;
    PubSubClient client(espClient);
    int switch1=0;
    int tempture=0;
    void setup() {
    
      Serial.begin(115200);
     
      WiFi.begin(ssid, password);
     
      while (WiFi.status() != WL_CONNECTED) {
        delay(500);
        Serial.println("Connecting to WiFi..");
      }
      Serial.println("Connected to the WiFi network");
     
      client.setServer(mqtt_server, mqttPort);
      client.setCallback(callback);
     
      while (!client.connected()) {
        Serial.println("Connecting to MQTT...");
     
        if (client.connect("93834a00-2631-11eb-af1a-37260a6003e5","DHT11_DEMO_TOKEN","")) {
          Serial.println("connected");  
     
        } else {
     
          Serial.print("failed with state ");
          Serial.print(client.state());
          delay(2000);
     
        }
      }
     
      client.publish(mqtt_id, "{'value':10.0}");
      client.subscribe(mqtt_subid);
     
    }
     
    void callback(char* topic, byte* payload, unsigned int length) {
      DynamicJsonDocument doc(1024);
      Serial.print("Message arrived in topic: ");
      Serial.println(topic);
      Serial.print("Message:");
      Serial.println((char *)payload);
      DeserializationError error = deserializeJson(doc, payload);
      if(error)return;
      String method_=doc["method"];
      String params_=doc["params"];
      if(!method_.compareTo("setLight1SwitchStatus"))
      {
        
         if(!params_.compareTo("on")){digitalWrite(0,HIGH);pinMode(0,OUTPUT);}
         if(!params_.compareTo("off")){digitalWrite(0,LOW);pinMode(0,OUTPUT);};
      }
      if(!method_.compareTo("setLight2SwitchStatus"))
      {
         if(!params_.compareTo("on")){digitalWrite(0,HIGH);pinMode(0,OUTPUT);}
         if(!params_.compareTo("off")){digitalWrite(0,LOW);pinMode(0,OUTPUT);}
      }
      Serial.println(doc["method"].as<String>());
      Serial.println(doc["params"].as<String>());
    }
    
    void loop() {
      client.loop();
      
      tempture++;
      if(tempture%100000==0)
      {
        String bbbb= "{\"tongjinlv\":"+String(tempture)+"}";
        client.publish(mqtt_id, bbbb.c_str());
        Serial.println(bbbb.c_str());
      }
      if(!client.connected())setup();
      if(WiFi.status() != WL_CONNECTED)ESP.reset();
    }