This schematic was designed using EasyEDA and shows the complete connection setup of the ultrasonic sensor (HC-SR04) with the Arduino UNO and two LEDs. It includes pin mappings, power rails, and ...

📝 Descripción del Proyecto Este proyecto utiliza un sensor ultrasónico HC-SR04 y dos LEDs (rojo y verde) para crear un sistema de medición de proximidad con Arduino. El sensor detecta la distancia de ...

Some of the best hacks are the ones which seem perfectly obvious in hindsight; a solution to the problem that’s so elegant, you wonder how it never occurred to you before. Of course we also love the ...