All electronics ship with US style plugs.You may need a voltage converter or a plug adapter.
Special Features
The humidity and temperature sensor board that carries a digital SHT21 humidity and temperature sensor from Sensirion.
Si7021 GY-21 Module Industrial High Precision Humidity Sensor I2C IIC Interface Module For Arduino Low Power CMOS IC Module
It has a 4-pin interface that can communicate directly with the analog pins
It can be used as a hardware- and software-compatible drop-in upgrade for existing RH/temperature sensors in 3x3 mm DFN-6 packages, featuring precision sensing over a wider range and lower power consumption.
The Si7021 offers an accurate, low-power, factory-calibrated digital solution ideal for measuring humidity, dew-point, and temperature, in applications ranging from HVAC/R and asset tracking to industrial and consumer platforms.
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