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 ...

In the real world, missile systems use advanced radars ... To supply targeting data for the launcher, an Arduino Uno uses an ultrasonic sensor pair mounted atop a servo. As the servo rotates ...

Shifting to the new waterproof ultrasonic sensor is not a big deal ... Even though I picked Arduino Uno R3 for this tutorial, you can use pretty much any standard Arduino. Not a big deal! Basically, I ...