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The DHT22 is a digital temperature and humidity sensor, similar with the DHT11. The DHT22 is more accurate and takes readings withing a wider range.
Get started with the DHT22 and Arduino: Complete Guide for DHT11/DHT22 Humidity and Temperature Sensor With Arduino.
- Range: 0-100%
- Absolute accuracy: ±2%
- Repeatability: ±1%
- Long term stability: ±0.5% per year