The sensor continuously sends out infrared light and measures how much of that light is reflected. When a reflective object is within its set detection range, it returns a low signal. The Arduino ...

This project uses an Arduino to measure distance using an HC-SR04 ultrasonic sensor and displays the result on a 16x2 LCD screen. The sensor sends out ultrasonic pulses and calculates the distance ...

This project demonstrates an environment-aware smart LED control system using Arduino. A potentiometer is used to simulate ambient light levels, while an ultrasonic sensor detects the distance of ...

This post is a review of the popular waterproof ultrasonic sensor JSN-SR04T. I hope this will serve as a backdrop for some interesting ultrasonic distance sensor experiments and projects. A number of ...