All of these projects either use minimal components, short (and easily understandable) codes, or both ... with only an Arduino UNO, ultrasonic sensor, force-sensitive resistor (or push button ...

For this setup, the program ... ultrasonic sensor on the inside of the lid for detecting the trash level. On the software side, things are just as straightforward. The code includes two Arduino ...

Sure, building an Arduino project is one of the best ways to get yourself acquainted with using the board and writing the code ... (e.g., push button, ultrasonic sensor, keypad), output (e.g ...

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 ...