DHT22 / AM2302 Temperature-Humidity Sensor + Resistor
Availability
In stock
DHT22/AM2302 digital temperature and humidity sensor with capacitive humidity element and thermistor; outputs a digital signal with no analog input pin required.
Pinout
- VCC1
sensor supply
Type · power - DATA2
single-wire data signal
Type · digital signal - NC3
not connected
Type · no connect - GND4
ground
Type · ground
| Pin | Position | Type | Function | Voltage |
|---|
Start wiring
I2C · SPI · Single data line · 3.3 – 5 V · Breakout
Verify supply voltage and logic levels before powering up.
Module pins: VCC, GND, DATA. Schematik maps them to your board in the app.
Temp & humidity
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