Build a Secure Motion-Detecting System with Email Alerts for Under $20

In the current world, security is a top priority. So having a motion detection system is crucial to detecting a motion and informing the house owner so that they can check the CCTV cameras.

So the house owner can remotely monitor the system. We have suggested a low-cost system with clear guidance to build your own.

Why This Project?

This guide walks you through building a cost-effective motion detection system for under $20 using readily available components and free software tools. We have carefully selected the best hardware and use free hosting solutions to ensure a reliable and scalable system. Whether you’re a DIY enthusiast or homeowner, this project offers a robust solution to elevate your home security.

What You’ll Build

• A motion-detecting system powered by an ESP32 microcontroller and a PIR sensor to detect movement.
• A backend powered by Firebase Cloud Functions and Firestore to handle authentication, user management, and API requests securely.
• Courier email notifications, ensuring instant alerts are sent directly to your inbox when motion is detected.