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 ...

This post is a review of the popular waterproof ultrasonic ... lazy evaluation using an Arduino Uno. If you have played with ultrasonic distance measurement projects, I’m sure you have at some point ...

They rebuild one of the most iconic components for an electronics tinkering beginner — an ultrasonic distance sensor, and what’s fun is, it stays fully functional after the rebuild!