Arduino (any compatible board), HC-SR04 Ultrasonic Sensor, Jumper Wires, Breadboard (optional), #Circuit Diagram: Trig Pin of HC-SR04 → Arduino Pin 9, Echo Pin of HC-SR04 → Arduino Pin 10, VCC of ...

The ultra sonic circuit is adjusted in such a way as to stay in balance as long the same as the output frequency of the transmitter. If there is some movement in the area covered by the ultrasonic ...

⚙️🖥️ Hardware Setup: For this project, I utilized the mighty ATmega32 MCU, operating at a clock frequency of 8 MHz. The system that measure the distance according to the readings from the Ultrasonic ...