Sensors

Sensors

• phyWAVE-A-Eval-Board with equipped phyWAVE-KW22 processor/radio-module

   ![Phytec PBA-D-01 PhyWave](https://github.com/jremmert-phytec-iot/Pictures_Phytec_IOT/blob/master/EvalBoard_2.png)
  

• Temperature * MPL3115A2 Sensor for measuring pressure in Pascal and temperature in °C. The digital output interface is a I2C bus. The sensor is directly on the phytec board.

• Humidity * HDC100 This sensor is for measuring the humdity and is directly build on the phytec board.

• Noise * SEN 12624Sparkfun Sound detector ![Sound detector sparkfun SEN 12624] (https://github.com/smartuni/SmartWindow/doc/sound detector.jpg) This sensor board is a microphone ioard for measuring the sound. A Hookup Guide can be found [here] (https://learn.sparkfun.com/tutorials/sound-detector-hookup-guide)

To calculate the sound pressure level the following definitions and formulas are used. First the signal from the microphone is used to calculate the RMS(Root mean square). After this step a factor is multiplated with the RMS-Value. The RMS-Value is referencend to the value p0 = 20µPa and it will be calculated to the logarithmic Dezibel.

• Air Quality * MQ_135 Gas Sensor