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 ...

[Andy] demonstrates building an ultrasonic anemometer using a cheap after-market parking distance sensor ... circuit surgery is required to remove the existing 8-pin microcontroller and wire in an ...

Finally, your Arduino toolkit will be incomplete if you don't purchase some sensor ... ultrasonic and IR modules are indispensable for robotics projects. For folks into electrical circuits ...