Temperature and humidity sensor DHT22

The digital temperature and humidity sensor unit DHT22 AM2302 is a basic low-cost digital temperature and humidity sensor. It uses a capacitive humidity sensor and a thermistor to measure the surrounding air and outputs a digital signal on the data pin (no need for analog input pins). It is somewhat easy to use, but requires precise timing to extract data. The only downside of this sensor is that you can only get new data from it once every two seconds, so when using our library, sensor readings can be up to two seconds. Just connect the first pin on the left to 3-5V power, the second pin to your data input pin, and the rightmost pin to ground. Although it uses a single wire to send data, it is not compatible with Dallas One Wire! If you want multiple sensors, each must have its own data pin! Note: The color of the connecting wire may vary. You may receive any color during shipping. Features: high accuracy, capacitive type, full-range temperature compensation, relative humidity and temperature measurement, calibrated digital signal, excellent long-term stability, no additional components needed, long transmission distance, low power consumption, fully interchangeable 4-pin package.