Sensor
DHT22 temperature & humidity sensor
Digital sensor for ambient temperature (±0.5 °C) and relative humidity.
Pinout
- VCCpower (3.3 V)
- DATAdigital
- GNDground
Bench notes
Give it 2 seconds between reads — the DHT22 is slow but steady.
- Typical price
- $4.50
- Libraries
- DHT sensor library, Adafruit Unified Sensor
- Prompt keywords
- temperature, humidity, weather, climate