This is an Arduino-based Proximity Sensor circuit wired using the popular HC-SR04 Ultrasonic ranging module ... and best understood by referring the wiring diagram. If everything goes right,you should ...

It features over 5,400 projects, ranging from simple tutorials — like using a soil moisture sensor ... can build circuits from scratch using three popular Arduino boards — Uno, Nano, and ...

The Arduino is ... infrared and ultrasonic sensors, jumper wires, a DC power switch, and several motor parts. The YouTuber has also shared the code and the circuit diagram, so technically, you ...