DHT22 Temperature & Humidity Module

Overview

DHT22 digital sensor for temperature and humidity. High accuracy, 1‑wire interface. Range: –40–80°C, 0–100% RH. Accuracy: ±0.5°C, ±2% RH.

Key Features

• Range: –40–80°C, 0–100% RH
• Accuracy: ±0.5°C, ±2% RH
• 1‑wire (single bus) communication
• Supply: 3.3–5V

Specifications

• Sampling rate: 0.5Hz

Dimensions & Weight

• Length: ~25 mm
• Width: ~15 mm
• Weight: ~5 g

Package Includes

• 1 × DHT22 Sensor Module

Applications

• Environmental monitoring
• IoT and smart home sensors
• Arduino and embedded projects