/* https://breakrow.com/miliohm/temperature-and-humidity-sensor-dht11-with-arduino-tutorial-make-oled-termometer/ 10 - DHT11 pin OLED: SDA - SDA SCL - SCL */ #include < SPI.h > #include < Wire.h > #include < Adafruit_GFX.h > #include < Adafruit_SSD1306.h > #include < Fonts...
}voidloop(){inttime0=0;inttime1=0; byte temperature =0; byte humidity =0;interr = SimpleDHTErrSuccess;while(1){ time0 =millis()/2000;//隔2000ms测一次温度湿度信息if(time0!=time1){ time1=time0; lcd.setCursor(0,0); dht11.read(&temperature, &humidity,NULL); lcd.print(temperature)...
// Sensor readings mayalsobe upto2seconds ‘old’ (its a very slow sensor)floath = dht.readHumidity(); //ReadtemperatureasCelsius (thedefault)floatt = dht.readTemperature(); //ReadtemperatureasFahrenheit (isFahrenheit =true)floatf = dht.readTemperature(true); //Checkifanyreads failedandexi...
The utility model provides a temperature and humidity detector based on Arduino. The temperature and humidity detector comprises a sensor module, a power supply module, an Arduino control board, a wireless transmission module, and an operation terminal, wherein the sensor module is connected with ...
功能：读取 DHT11 传感器数据，并将温度值、湿度值分别存入 temperature、humidity 两个成员变量中 语法：DHT11.read(pin)参数：DHT11，一个 dht11 类的对象；pin，Arduino 连接传感器的引脚编号 返回值：int t 类型 ，为 0 0 、- -1 1 或 或 2 2 0 对应宏 DHTLIB_OK，收到数据，且校验正确；-1 对应...
Serial.print((float)DHT11.humidity, 2); Serial.println("%"); Serial.println(); //printf("$AR,SHT%d,%d#", DHT11.temperature, DHT11.humidity); delay(1000); } 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14.
Humidity measurement error: ±2% Temperature measurement range: -40 ° C ~ 80 ° C Temperature measurement error: ±0.5°C max ±1°C Resolution: 16 bits Sampling period: 2s Working voltage: 3V--5.5V AM2320: Product Description: AM2320 digital temperature and humidity sensor is a calibrated...
Voltage: 5V, and tested with 3.3v on the Raspberry Pi Port: digital two-way single bus Temperature range: -40-80 °C ± 0.5 °C Humidity: 20-90% RH ± 2% RH Platform: Arduino, SCM Package included: 1 x Sensor Module This product was added to our catalog on Sunday 19 Februar...
* Example testing sketch for various DHT humidity/temperature sensors * Written by ladyada, public domain * * Depends on Adafruit DHT Arduino library * adafruit/DHT-sensor-library */ #include "DHT.h" #define DHTPIN D4 // what pin we're connected to ...
Arduino library for DHT temperature and humidity sensor. AVR optimized Description The DHT11, 21, 22, 33 and 44 are relative inexpensive sensors for measuring temperature and humidity. This library can be used for reading both values from these DHT sensors. The DHT11 only returns integers (e....