Humidity Sensors

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STM’s digital humidity and temperature sensor is based on a planar capacitance technology that integrates the humidity and temperature sensors in the sensing element.

Using our extensive experience in reading small capacitance variations in accelerometers and gyroscopes, STM has developed a differential capacitance sensing element that, when combined with the temperature sensor, provides the relative humidity. It is easy to use with the sensor, signal processing circuitry, onboard calibration and proprietary algorithm integrated in a single package.

The small size and low power consumption is ideal for use cases in consumer mobile, smart home (home appliances and HVAC), and storage and logistic applications.

  • Evaluation Boards

Evaluation Boards

  • The general purpose evaluation boards are here.

    Motion MEMS and environmental sensor expansion board for STM32 Nucleo
    On this board there are the sensors listed below.
    LSM6DS0: MEMS 3D accelerometer (±2/±4/±8 g) + 3D gyroscope (±245/±500/±2000 dps)
    LIS3MDL: MEMS 3D magnetometer (±4/ ±8/ ±12/ 16 gauss)
    LPS25H: MEMS pressure sensor, 260-1260 hPa absolute digital output barometer
    HTS221: capacitive digital relative humidity and temperature
    DIL 24-pin socket available for additional MEMS adapters and other sensors (UV index)

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