Custom Audio Player “Distance Trigger”

+ embdedded software and design +

  • wav-file player based around the Adafruit Audio FX Mini board
  • external HC-SR04 ultrasonic sensor
  • control logic, led control, sensor interfacing on an Adafruit Trinket board
  • simple user interface to set the trigger distance threshold and a wait-time beween triggers
  • 6 of these devices where purpose build for a theatre performance


9 years ago