January 28, 2025

2 Min Read

Ultrasonic Sensor HC-SR04

Overview An ultrasonic sensor is an electronic device used to measure distance or detect objects by emitting ultrasonic sound waves and analyzing the echoes that return. These sensors…

January 28, 2025

2 Min Read

Project – Distance Measurer

In this project, we will build a distance measurer that can measure distances up to 4 meters using the HC-SR04 Ultrasonic Sensor and ESP32. Wiring Diagram Arduino Code…