ECSiNG 2Pcs 3V 5V DC I2C Temperature and Humidity Sensor GY 21 HTU21 SHT21 Replacement SI7021 Compatible with A rduino Raspberry Pi

Compact Design: The HTU21 I2C Humidity and Temperature Sensor is a monolithic CMOS IC that integrates humidity and temperature sensor elements, analog-to-digital converters, signal processing, calibration data and I2C interface. With this sensor you can measure temperature and humidity with a very high level of accuracy. The data can be transferred directly via I2C protocol, e.g. can be read out with A-rduino. Wide compatibility: The GY 21 sensor is suitable for: Automotive (Defogging, HVAC), Home Appliances, Medical, Printers, perfect for weather stations or humidor control systems. Asset and goods tracking.Mobile phones and tablets. Features: Operating voltage: 3V – 5V DC. Current consumption: 150mA. Measuring range, humidity: 0% – 80%. Measuring range Temp.: -10° – 85° C.