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 ...

While early scientists and inventors famously underestimated the value of radar, through the lens of history we can see how useful it became. Even though radar uses electromagnetic waves to detect ...

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 ...