基于esp01s的室内智能温湿度监测利用

voidsetup() {
// 设定串口波特率
  Serial.begin(115200);
// 设置WiFi
  setup_wifi();
// 配置mqtt代理服务和信息接收
  client.setServer(mqtt_server, 1883);                              
  client.setCallback(callback);                                      
}

voidloop() {

  if (!client.connected()) {
// 重新连接网络
    reconnect();
  }
  client.loop();
  
  //start working...
  Serial.println("=================================");
  Serial.println("Sample DHT11...");
  
  //read without samples.
  byte temperature = 0;
  byte humidity = 0;
  int err =SimpleDHTErrSuccess;
// 读取温湿度信息
  if ((err = dht11.read(&temperature, &humidity, NULL)) !=SimpleDHTErrSuccess) {
    Serial.print("Read DHT11 failed, err="); Serial.println(err);delay(1000);
    return;
  }
  
  Serial.print("Sample OK: ");
  Serial.print((int)temperature); Serial.print("*C, "); 
  Serial.print((int)humidity); Serial.println("H");


  // 构建mqtt发布信息
  String payload = "{";
  payload += ""temp":"; payload += temperature; payload += ",";
  payload += ""humidity":"; payload +=humidity;
  payload += "}";

  //Send payload
  char attributes[100];
  payload.toCharArray( attributes, 100);
// 将信息发布到相应的主题
client.publish(TOPIC, attributes );

//DHT11 sampling rate is 1HZ.
  delay(1500);
}