// Initialize DHT sensor DHT dht(DHTPIN, DHTTYPE, 15); void setup() { // Start Serial Serial.begin(115200); // Init DHT dht.begin(); } void loop() { // Reading temperature and humidity float h = dht.readHumidity(); float t = dht.readTemperature(); // Display data Serial.prin...
sensorValue * (3.3/1024);// 显示到OLEDSerial.println("显示到OLED屏");oled.clearDisplay(); // 清屏OLED_Show_Temperature(temp);OLED_Show_Humidity(hum);OLED_Show_MQ5(ad_co_f);oled.display();// 判断条件if(digitalRead(Sensor_DO) == LOW){// 蜂鸣器响Serial.println("蜂鸣器响了");activate...
if(millis()-sensortStamp>1000){ int chk = DHT11.read(DHT11PIN); //将读取到的值赋给chk tem=(int)DHT11.temperature; //将温度值赋值给tem hum=(int)DHT11.humidity; //将湿度值赋给hum client.println("POST http://api.heclouds.com/devices/521170759/datapoints?type=3 HTTP/1.1"); //打印...
/* https://breakrow.com/miliohm/temperature-and-humidity-sensor-dht11-with-arduino-tutorial-make-oled-termometer/ 10 - DHT11pin OLED:SDA - SDA SCL - SCL */#include< SPI.h >#include< Wire.h >#include< Adafruit_GFX.h >#include< Adafruit_SSD1306.h >#include< Fonts/FreeMonoBold18pt7b...
(这个很重要)float h=dht.readHumidity();//读取DHT11采集的湿度数据float t=dht.readTemperature();//读取DHT11采集的温度数据if(isnan(h)||isnan(t))//判断温湿度值是否为空{BLINKER_LOG("读取传感器数据失败");}else{BLINKER_LOG("Humidity: ",h," %");//打印输出调试信息BLINKER_LOG("Temperature...
BLINKER_LOG("Failed to read from DHT sensor!");return;} float hic = dht.computeHeatIndex(t, h, false);humi_read = h;temp_read = t;BLINKER_LOG("Humidity: ", h, " %");BLINKER_LOG("Temperature: ", t, " *C");BLINKER_LOG("Heat index: ", hic, " *C");} } 六、展望一下 ...
}voidloop(){floath = dht.readHumidity();floatt = dht.readTemperature(); oled.clearDisplay();//清屏oled.setCursor(10,10);//设置显示位置oled.print("T:"); oled.print(t); oled.println(" C"); oled.setCursor(10,40);//设置显示位置oled.print("H:"); ...
(); float h = dht.readHumidity(); float t = dht.readTemperature(); if (isnan(h) || isnan(t)) { BLINKER_LOG("Failed to read from DHT sensor!"); } else { BLINKER_LOG("Humidity: ", h, " %"); BLINKER_LOG("Temperature: ", t, " *C"); humi_read = h; temp_read = t...
温度和湿度分别保存在t和h变量中。读取温度和湿度就像在dht对象上使用readTemperature()和readHumidity()方法一样简单。 如果我们无法获得读数,请显示一条错误消息: 如果您收到该错误消息,请阅读我们的故障排除指南:如何修复“无法从DHT传感器读取”。 在OLED显示屏上显示传感器读数 ...
Temperature and humidity sensor using the ESP8266 and DHT11 module - ESP8266 Temp/Humidity on ThingSpeak - ThingSpeak is the open IoT platform with MATLAB analytics.