Modules with an update notice on packaging needs to refer to "v.2" datasheet and Sample Codes.

Humidity and temperature sensor module that easily connects to Arduino microcontrollers. Pre calibrated at factory for precision measurements.

Features

• 100% Arduino Compatible
• 3 pin outs: GRD (-) VCC (+) S – Signal
• 20 meter signal transmission Features:
• Power supply voltage: 5V
• Temperature Range: 0-50°C
• Temperature Accuracy: +/- 2°C
• Humidity Range: 20-90%RH
• Humidity Accuracy: +/_ 5%RH

Downloads
DHT11 Technical Data Sheet
DHT11 Technical Data Sheet V.2
Schematic
DHTlib Sample Codes
DHTlib Sample Codes V.2