🔹 Project Details: Smart LED Distance Indicator using Ultrasonic Sensor and Arduino 📌 Introduction This project is a real-time distance indicator using an HC-SR04 ultrasonic sensor and LEDs to ...

This project is a real-time distance indicator using an HC-SR04 ultrasonic sensor and LEDs to visually represent object proximity. It is designed to provide intuitive feedback for applications like ...

Circuit and working. The circuit diagram of the LED flasher using Arduino is shown in Fig. 1. The circuit is built around Arduino Nano board (Board1), twenty coloured LEDs (LED1 to LED20) and a few ...