A small, rectangular Guangzhou Aosong Electronic DHT11 sensor, designed for low-cost, accurate readings of humidity and temperature.

Guangzhou Aosong Electronic DHT11

The Guangzhou Aosong Electronic DHT11 is an ultra-low-cost sensor that operates on 3 to 5V power and I/O. It uses a maximum of 2.5mA current during conversion, which occurs when data is requested. The DHT11 is excellent for humidity readings between 20-80%, with an accuracy of 5%. It is also suitable for temperature readings from 0-50 °C, with ±2 °C accuracy. The sampling rate of this device is no more than 1 Hz, which means it takes readings once every second. This compact device has a body size of 15.5 mm x 12 mm x 5.5 mm.

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