RHT03 (DHT22) Humidity and Temperature Sensor Hookup Guide

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Hardware Overview

Pinout

The pins of the RHT03 (DHT22) are labeled in the image below.

Annotated RHT03

Pin	RHT03 (DHT22)	Notes
1	VCC	Input Voltage between 3.3-6V DC
2	DAT	Data Output
3	N/C	Not Connected
4	GND	Ground

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