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 ...

A motor rotates it around a 180-degree field-of-view and an Arduino ... the code, [mircemk] is also able to extrapolate objects hidden behind other objects as well. While the ultrasonic sensor ...