This humidity and temperature sensor is very popular and has an Arduino Library dedicated to it.
Features:
- Sensor is composed of a resistive humidity sensing component and an NTC temperature testing component and connects with 8-byte MCU
- MCU outputs a digital code
- Fast response and great anti-interference capability
- Durable and long lasting sensor
- Low power consumption
- Based on the DHT11 sensor architecture
Specifications:
- Operating Voltage: DC 3.3 - 5V
- Current: Max. 2.5mA
- Humidity Measurement range: 20% ~95% | ±5%RH
- Temperature Measurement range: 0℃~60℃ | ±2 ℃
- Connections; GND, Vcc, and Signal
US 18994 
BR 16299 
GB 12020 
CA 9224 
AU 8018 
IE 5493 
IN 3731 
BD 2328 
