Description

With these sensors you can read temperature and relative humidity. 

Specifications

• Humidity measurement range: 20-90% RH ± 2% RH
  
• Humidity measurement error: ±2%RH
  
• Temperature measurement range: -40 to 80 °C ± 0.5 °C
  
• Temperature measurement error: ±0.5
  
• Voltage: 5V
  
• Size: 40 X 23mm
• Weight: 4g

Instructables: https://www.instructables.com/id/How-to-interface-Humidity-and-Temperature-DTH11-Se/