Welcome to our collection of DIY alarm projects, a creative space for experimenting, learning, and building your own security and alert systems from scratch.

Here you’ll find practical, hands-on examples that range from simple buzzer alarms and motion detectors to more advanced and customizable solutions.

Each project is explained step-by-step, including safe circuit diagrams, clear wiring guides, and code samples that help you replicate, adapt, and expand your own versions with confidence.

Whether your goal is to secure a door, detect movement, monitor temperature, or simply understand how alarm systems work, these projects are designed to be clear, affordable, and educational.

We also highlight useful tips, troubleshooting advice, and optional upgrades for those who want to go further into automation or IoT connectivity.

Explore, learn, and don’t hesitate to modify the designs to fit your own ideas - innovation starts by experimenting safely.