The DHT22 is a widely used temperature and humidity sensor, with a sample rate of up to 0.5 Hz, where the output is sent digitally.
Specifications:- Humidity range: 0% -100% RH
- Humidity error: ± 3-5% RH
- Temperature range: -40-125 ° C
- Temperature error: ± 0.5 ° C
- Voltage: 3-5V