ACEIRMC 4pcs Si7021 GY-21 SHT21 HTU21 Digital Humidity Temperature Sensor Module Replace SHT11 SHT15

Be with Plants Verified independent store

→

About This The humidity and temperature sensor board that carries a digital SHT21 humidity and temperature sensor from Sensirion. Si7021 GY-21 Module Industrial High Precision Humi dity 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. Show more