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DHT22- digital sensor for detecting the temperature and humidity in the environment. Unlike his predecessor DHT11, it has a high level of measuring accuracy and can be used on the street.
Also DHT22 have a chip inside that can store the measurements and later transfer them to the controller.
The only lack of this sensor is that the received data is delayed by 2 seconds.
- Power supply: 3.3-5VV.
- Current: 2.5mA max use of current during conversion (while requesting data).
- Humidity: 0 – 100%, ± 2%.
- Temperature: -40°C + 125°C, ± 0.5%.
- The sampling rate no more than 0.5 Hz (once every 2 seconds
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