一般从网上买的 Arduino 传感器套件版本的 DHT11,会有一个带 LED 的焊好的板,上面有三个接线引脚,分别是 VCC, GND, DATA,接线时,只要将 VCC 接到 Arduino 5V上,GND 接到 Arduino GND 上,DATA 引脚接 Arduino Pin8上即可。 DHT11 Arduino 测试程序编写 DHT11 Arduino 的测试程序也很简单,主要分几个部分:...
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/FreeMonoBold18pt7b...
float temperature = dht.readTemperature();// 读取温度数据，单位为摄氏度 float humidity = dht.readHumidity();// 读取湿度数据，单位为百分比（%）if (isnan(temperature) || isnan(humidity)) { // 检查读取的数据是否有效 Serial.println("Failed to read temperature and humidity from DHT sensor!");...
dht.temperature().getEvent(&event); if(isnan(event.temperature)) { Serial.println(F("Error reading temperature!")); } else{ Serial.print(F("Temperature: ")); Serial.print(event.temperature); Serial.println(F("°C")); } // Get humidity event and print its value. dht.humidity().getE...
Serial.print((float)dht11.getHumidity(),2); Serial.print("% Temperature: "); Serial.print((float)dht11.getTemperature(),2); Serial.print("'C "); Serial.print((float)dht11.getTemperature(true),2); Serial.println("'F"); }
ArduinoIDE 安装如下库文件 DHT sensor libraryby Adafruit DHT11温湿度传感器Data引脚与 Arduino Nano开发板的 D2 引脚连接 代码 #include <DHT.h> #define Temperature_COMMAND 0x10 //采集命令字 #define Humidity_COMMAND 0x11 //采集命令字 #define DHTPIN 2 // DHT sensor dataGPIO#define DHTTYPE DHT11...
代码 /* 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/FreeMonoBold18...
Specifications: Material: Polymer Usage: Temperature and Humidity Sensor Output: Switching Transducer Theory: Resistance Sensor Design and Style: Ultra-small size, low power consumption Performance and Property: High reliability, excellent long-term stability Features: |Usb Temp Sensor|Voltmeter Arduino|Ard...
//print the temperature in FahrenheitSerial.print((t*9.0)/5.0+32.0); Arduino项目 Arduino代码–带LCD的DHT11和DHT22 有时,您会想到一个要在DIY孵化器中监控温度和湿度水平的想法。然后,您可能需要16×2字符LCD来显示培养箱中的主要条件,而不是串行监视器。因此,在此示例中,我们将LCD和DHT11和DHT22传感器...
DHT11 温湿度传感器 Data 引脚与 Arduino Nano 开发板的 D2 引脚连接 代码 #include<DHT.h>#defineTemperature_COMMAND 0x10//采集命令字#defineHumidity_COMMAND 0x11//采集命令字#defineDHTPIN 2// DHT sensor data GPIO#defineDHTTYPE DHT11// select one kind of sensors from DHT11, DHT22 and DHT21DH...