Arduino Distance Enclosure

This paper explains the development and implementation of an Arduino-based distance indicator system using an HC-SR04 ultrasonic sensor. The system uses the ultrasonic sensor connected to an Arduino Uno to measure distances. It shows the distance in real time using LEDs, helping users understand how close or far an object is. The indicator is designed to alert users when an object enters a certain range, which can be helpful for basic obstacle detection. The project is low-cost, simple to make, and great for beginners. The paper also talks about common issues like sensor accuracy and suggests ways to improve the system. Possible uses and future upgrades are also included.