[Nicholas Murray]’s Composite Test Pattern Generator is a beautifully-made, palm-sized tool that uses an ESP32-based development board to output different test patterns in PAL/NTSC. If one is checking ...

Backup generators are a lot like old friends in that you forget about them until you need a favor. And when there's an emergency, you expect them to show up instantly, no questions asked. But ...

How my portable wind turbine compares to solar panels - 2 years of testing later ...

Be prepared for unexpected power failures and off-the-grid camping trips.