DHT11 Temperature Humidity Sensor

Specification:
– Power supply: 3.3 to 5V DC
– Current consumption: max 2.5mA
– Operating range: 20-80% RH, 0-50°C
– Humidity measurement range: 20-90% RH
– Humidity measurement accuracy: ±5% RH
– Temperature measurement range: 0-50°C
– Temperature measurement accuracy: ±2°C
– Response time: 1s
– Sampling rate: 1Hz (1 sample per second)
– Data output format: single-bus digital signal
– Data transmission distance: 20-30m (at open air)
– Dimensions: 15mm x 12mm x 5.5mm
– Weight: 2.5g
– 4 Pin Single Row
– Pinning:
1 = Vcc
2 = Data
3 = Open
4 = GND