AM2301 ( DHT 21 / AM 2301 ) Capacitive Digital Temperature & Humidity Sensor sensor is one of the commonest from the range of DHT temperature sensors. It boasts a relatively high-temperature measurement accuracy of 0.5°C in 0.1°C steps with a relative humidity accuracy of ± 3%.
It has only 3 wires, including power and ground, meaning only one digital pin is required to interface it to a microcontroller.
Specifications:
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