HTU21D Temperature and Humidity Sensor Module

The HTU21D Temperature and Humidity Sensor Module is a versatile and accurate sensor ideal for environmental sensing and data logging. Here are its features, specifications, and applications:

  Features:  

• Uses the I2C interface for easy integration.
• Typical humidity accuracy of ±2%.
• Typical temperature accuracy of ±0.3°C.
• Operating range from 0 to 100% humidity.
• Not recommended for environments where it could come in contact with water.
• Requires a 3.3V power supply.
• Only one HTU21D sensor can reside on the I2C bus at a time.

  Specifications:  

• Power Supply (V): 1.5 ~ 3.6
• Humidity Measure Range: 0 – 100%RH
• Humidity Precision: ±2%RH (10%RH to 95%RH)
• Max. Power Consumption (µW): 2.7
• Communication: I2C
• Measure Time: 50 msec
• Year Drift: -0.5%RH/year
• Response Time: 5 sec
• Dimensions (mm): 16 x 16 x 2.5
• Weight (gm): 5

  Pinouts:  

• Vcc – 3.3 V
• GND – Ground
• SCL – Serial Clock
• SDA – Serial Data

  Applications:  

• Automotive: defogging, HVAC
• Home appliances
• Medical devices
• Printers
• Humidifiers

  Package Includes:  

• 1 x HTU21D Temperature and Humidity Sensor Module
• 1 x Set of Headers (Unsoldered)