DHT22 Temperature Humidity Sensor

DHT22 Temperature Humidity SensorDHT22 Temperature Humidity Sensor the dht22 temperature humidity sensor is a precise and reliable digital sensor used to measure both ambient temperature and relative humidity in various environments. it is an upgraded version of the dht11 sensor, offering significantly better accuracy, wider measurement range, and more stable long term performance, making it suitable for professional and diy electronics applications. this sensor is widely used in

Users can conveniently carry the wires for use in workshops

Compact PCB module

this belt ensures a secure and stable connection for uninterrupted camera operation

and communication modules

The factory calibration and linear output eliminate the need for complex compensation circuits

capacitors

Tie Points: Typically 170 points (model dependent)

helping both beginners and professionals accelerate development

The internal gear reduction ratio can be represented as:

The onboard signal conditioning circuit converts this resistance change into an analog voltage that can be measured by a microcontroller

Irrigation and drip systems

and wireless communication applications