This project uses an Arduino Uno and an HC-SR04 ultrasonic sensor to measure the distance of nearby objects and display it on a 16x2 LCD. If an object is too far, it shows “Seems safe ... for LCD ...

Copy and paste this code into your Arduino IDE to build the Motion-Sensing LEDs project. - rd4eh9/Arduino-Motion-Sensing-LEDs. Skip to content. Navigation Menu Toggle navigation. Sign in Product ...