GY-21 Module mounts the HTU21D which is a combined humidity and temperature sensor. The GY-21 HTU21D Humidity / Temperature Sensor Module uses the I2C interface to report both humidity (0 – 100%) and temperature (-40 – 125°C).
- Small in size.
- Low-cost, easy to use, highly accurate, digital humidity and temperature sensor.
- Ideal for environmental sensing and data logging and perfect for weather stations for humidity control systems.
1 x GY-21 HTU21 Temperature and Humidity Sensor
2.1 - 3.6V
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