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ZnDiy-BRY HTU21D Temperature & Humidity Sensor Module - Red
The HTU21D is a low-cost£¬ easy to use and high-accuracy digital humidity and temperature sensor module. This sensor is ideal for environmental sensing and data logging and perfect for a weather stations or humidor control systems. You only need to connect two I2C lines£¬ so that you can read the temperature and humidity value accurately. You also can use it for test by soldering 4 pins. Two I2C lines£¬ one is VCC£¬ the other is GND. This board has built-in 4.7k pull-up resistors for I2C communication.