System: Use proximity to trigger sound.
Proximity Sensor: LiDAR (Light Detection And Ranging)
https://www.adafruit.com/product/3317
Arduino Library:
https://github.com/adafruit/Adafruit_VL53L0X
Reading the LiDAR sensor: Example Code: LiDAR_sensor_readout.ino
(Peel the kapton film tape off the sensor aperture)
Shopping List for making this project: Electronics Shopping Master List 2018_02_18
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