Generic DHT22 AM2302 Digital Temperature & Humidity Sensor Module
The DHT22 (AM2302) is a calibrated digital temperature and humidity sensor module compatible with 3.3V and 5V logic systems like Arduino, Raspberry Pi, ESP32, and STM32. It provides a single-wire digital output for reliable environmental monitoring.
Features
- Wide measurement range: -40°C to 80°C temperature & 0-100% RH humidity.
- High accuracy: ±0.5°C temperature & ±2% RH humidity (typical at 25°C).
- Digital single-wire serial interface simplifies connection to microcontrollers.
- Integrated capacitive humidity sensor and thermistor with full temperature compensation.
- Low power consumption and excellent long-term stability.
Out of stock
The DHT22 (AM2302) module combines a capacitive polymer humidity sensor and an NTC thermistor to deliver calibrated digital readings of ambient temperature and relative humidity. It features an onboard 8-bit microcontroller that handles sensor signal conditioning and outputs a serial digital signal, eliminating the need for external analog-to-digital converters.
Designed for stable, long-term operation, the sensor includes full-range temperature compensation for accurate humidity readings across its entire operating range. Its single-bus digital interface requires precise timing but simplifies wiring, making it a staple for DIY electronics, environmental monitoring systems, and HVAC prototyping.
Additional Information
| Weight | 0.007 kg |
|---|---|
| Dimensions | 4.3 × 1.5 cm |
