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 ...

I used Arduino to program it all." Smart distance detection system Moksh Parek, 11, a student from Freedom International School and resident of Harlur, has built an ultrasonic sensor to detect ...