Inside [Klaus]’ device is an Arduino Uno, an HC-SR04 ultrasonic distance sensor, and an Adafruit Wave Shield. Originally, this parking/distance sensor used a small TFT to display the distance to ...

Adafruit’s PropMaker Feather is a microcontroller ... Where previously, sound effects were courtesy of an Arduino Uno with a Wave Shield, this version uses the PropMaker Feather, based on ...