Technical summary
The DHT22 (or RHT03) temperature and humidity sensor communicates with a microcontroller over a serial port. The sensor is calibrated and requires no additional components to be used.
- Supply: 3.3 to 6VDC
- Maximum consumption: 1.5mA
- Standby consumption: 50µA
- Measurement range:
- temperature: -40 to +80°C
- humidity: 0 to 100% RH - Accuracy:
- temperature: ±0.5°C
- humidity: ±2% RH - Dimensions: 25x15x9mm
