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 21679 
BR 17799 
GB 12859 
CA 10038 
AU 9215 
IE 4956 
IN 3563 
NZ 2156 
