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Sensor breakouts

4. Sensing movement, sound and light.

The sensor breakout boards we are going to use in this module are the following:

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TEMT6000 ambient light sensor

This sensor senses light more accurately than the LDR photocell we used before, using a phototransistor. It has one analog out pin.

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Passive infrared (PIR) sensor HC-SR501

This is an infrared motion detector, that gives a digital output.

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Waveshare sound sensor

  • This is an audio breakout that can be used as an audio amplifier, an ambient sound detector or as a sound level detector. It has one digital output and one analog.