Humidity and Temperature Sensor - RHT03
The RHT03 (also known as DHT-22) is a calibrated digital humidity and temperature sensor with a single-wire interface. It provides reliable relative humidity and temperature readings with no additional components required — just connect power, ground, and data to a microcontroller.
Key Features
- Single-Wire Digital Interface – Simple connection to Arduino and other microcontrollers
- Factory Calibrated – No extra components or calibration needed
- Humidity & Temperature – Measures both in a single sensor
Specifications
- Humidity Range – 0–100% RH (±2% accuracy)
- Temperature Range – −40 °C to +80 °C (±0.5 °C accuracy)
- Supply Voltage – 3.3–6V DC
- Sampling Rate – Once every 2 seconds
- Interface – Single-wire digital
Ideal For
- Weather stations and environmental monitoring
- Arduino and Raspberry Pi projects
- HVAC and climate control systems
- Greenhouse monitoring
The Humidity and Temperature Sensor - RHT03 appears in the following collections:
SKU SF-SEN-10167
by SparkFun
