校验和定义为:前 4 个 Byte 的总和的低 8 位。 Arduino Test #include "dht11.h" #define DHT_PIN 2 DHT11dht11(DHT_PIN); voidsetup() { Serial.begin(9600); Serial.println("DHT11 TEST PROGRAM "); Serial.print("LIBRARY VERSION:
The Arduino microcontroller, being the processing unit of the system, gets the sensor's measured value and compares it with the set threshold. The results are: when the measured room temperature is less than the minimum of the threshold value; then, the microcontroller turns on the heater. If...
const int DHT_PIN = 15; //定义一个整形变量,目的是使用GPIO-15来接收来自传感器的数据 DHTesp dhtSensor; //定义一个DHT传感器 //arduino里的setup函数,执行一次 void setup() { Serial.begin(115200); //串口的速率 dhtSensor.setup(DHT_PIN, DHTesp::DHT11);//把DHT11与gpio第15号数字引脚关联。
-Connect DHT12 sensor pin [VCC] to Arduino pin [5V -Connect DHT12 sensor pin [GND] to Arduino pin [GND] -Connect DHT12 sensor pin [OUT] to Arduino Digital pin [2] Step 3: Start Visuino, and Select the Arduino UNO Board Type The Visuino:https://www.visuino.eualso needs to be in...
adafruit/DHT-sensor-library Arduino #4469: Add SimpleDHT library. DHT11 datasheet and protocol. DHT22 datasheet and protoocl. Winlin 2016.1 Contributing If you want to contribute to this project: Report bugs and errors Ask for enhancements ...
that it can detect even the slightest changes in the environment, making it ideal for applications such as HVAC systems, dehumidifiers, and weather stations. **Ease of Integration and Use** The sensor's single-wire serial interface makes it incredibly easy to integrate into any Arduino or elect...
Step 1. Connect a Grove - Temperature&Humidity Sensor to port D2 a Base Shield. Step 2. Plug the Base Shield to your Seeeduino/Arduino. Step 3. Link Seeeduino/Arduino to your PC via an USB cable. Software Step 1. Open Codecraft, add Arduino support, and drag a main procedure to...
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DHT22 Sensor Accuracy resolution:0.1. Humidity range:0-100%RH. Temperature range:-40~80℃. Humidity measurement precision:±2%RH. Temperature measurement precision:±0.5℃. 4-pin package. Ultra-low power. No additional components. Excellent long-term stability. All calibration, digital output. ...
AM2320 digital temperature and humidity sensor is a calibrated digital signal output containing hexyl temperature and humidity sensor complex. Temperature and humidity using a dedicated capture technology to ensure that products with high reliability and excellent long-term stability. Sensor includes a capa...