Components Needed Arduino board HC-SR04 Ultrasonic Sensor 8 LEDs 8 Resistors (220Ω each) Buzzer Breadboard and jumper wires Circuit Diagram Ultrasonic Sensor: VCC to 5V GND to GND TRIG to digital pin ...

🔹 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 is an Arduino-based Proximity Sensor circuit wired using the popular HC-SR04 Ultrasonic ranging module,used here for non-contact object detection purpose. The HC-SR04 module includes ultrasonic ...