DIY Proximity Alarm Project | Touchless Security! Ultrasonic sensor and Arduino

How to build distance based alert system? Proximity based alarm project with ultrasonic sensor and buzzer.

In this video, I’ll show you how to build a simple Arduino project using an ultrasonic sensor and buzzer. The buzzer beeps whenever an object comes closer than a set distance, acting like a proximity alarm or distance warning system.

This project is perfect for beginners in Arduino and electronics. You’ll learn how the HC-SR04 ultrasonic sensor works, how to connect it with a buzzer and Arduino, and how to write the code step by step.

Circuit diagram:
https://drive.google.com/file/d/1R6f8...

👉 What you’ll learn in this video:
✅ Basics of ultrasonic distance measurement
✅ How to use a buzzer with Arduino
✅ Coding logic for distance-based beeping

⏰ Timestamps:
0:00 - Introduction
0:26 - Circuit building
3:46 - Code explanation
6:44 - Project demonstration

✨ Try it out and let me know your results in the comments!

#electronicsprojects #arduino #electronics #distancemeasurement #microcontroller #engineering #iot #robotics #diy #diyprojects

Complete guide to Arduino:
   • Complete Guide To Arduino  

For more videos on computer architecture and arduino, visit my channel:
   / @theohmlab