https://www.berrybase.de/adafruit-audio-fx-sound-board-wav/ogg-trigger-16mb-flash Sound OHNE Arduino

https://www.berrybase.de/adafruit-vl53l0x-time-of-flight-abstands-sensor-30-bis-1000mm Abstandsensor Laser

https://www.instructables.com/O-mat/ DIY Sensormatte