Description
Features Long Size: 28mm X Width 12mm X Height 10mm Main chip: Aosong DHT22 temperature and humidity sensor Operating voltage: DC 3.3-5.5V 1, humidity measurement range: 0 --- 100% RH 2, humidity measurement accuracy: 2% RH 3, the temperature measurement range: -40 --- 80 4, the temperature measurement accuracy: 0.5 5, the working voltage: DC5V commonly used 6, single bus digital signal output, serial data bidirectional port;