A blast from the Elektor archives: this 1998 battery tester uses a simple LED display to reveal a battery’s true condition ...

There are a million and one MIDI controllers and synths on the market, but sometimes it’s just more satisfying to make your ...

Tools are designed for specific tasks. Combining them can make them more effective or useful for jobs they weren’t ...

A portable Commodore C64 laptop powered by Raspberry Pi 5 and VICE, with a 10-inch 4:3 screen, so you can play classics ...

Learn how to build your own simple DIY air pump using a plastic syringe, a small DC motor, and basic materials you may already have at home. This easy-to-follow tutorial walks you through each step, ...

In this video, I’ll show you how I designed and built a custom self-loading crossbow — fully inspired by my long-time ...