A simple piano doorbell that replaces the usual chime with real piano notes was demonstrated in a recent project published by Arpan Mondal. The system combines microcontroller-based control with audio ...

Even though there are plenty of commercial solutions available, none of them are pocket-friendly. That's where a DIY solution can shine without making a hole in your pocket. In a recent video, the ...

This DIY seismograph project uses a sensitive vibration sensor to monitor tremors, including those too subtle for humans to feel. Want to detect earthquakes and other seismic events—from natural ...