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this system uses RF433 technology to communicate with all battery-powered devices like activity tracking sensors
You set the exact level through the SPI interface
TCP Server
it owns the characteristics of easy operation and stable performance
and an onboard oscillator
SHT20 I2C Temperature & Humidity Sensor (Waterproof Probe) Intel Dev Boards this system uses RF433 technologySHT20 I2C Temperature & Humidity Sensor (Waterproof Probe) This SHT20 I2C temperature & humidity sensor is equipped with a waterproof probe. It comes with the 4C CMOSens SHT20 temperature & humidity sensor chip and the probe has gone through dual waterproof protection test. The SHT20 I2C temperature & humidity sensor adopt Sensirion techniques. Except for the humidity sensor of capacitive type and the temperature sensor of the band gap, SHT20 contains