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Sensors
DHT22 / AM2302
Higher-precision sibling of the DHT11.
Definition
Digital temperature/humidity sensor with wider range (-40 to 80 °C) and better accuracy.
AI Application
Used for predictive HVAC control and greenhouse automation powered by small ML models.
Parts & pins
1
VCC
3.3V or 5V power
2
DATA
Single-wire digital protocol
3
NC
Not connected (skip)
4
GND
Ground reference
5
Sensing Element
Capacitive humidity + thermistor
Works with
Hardware you can wire this part to in a typical project.
