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

Discover how to create a portable high-capacity power station using repurposed 18650 lithium-ion batteries in this step-by-step DIY guide. See the full assembly process, including connecting a BMS, ...

Discover how to make a homemade battery capable of charging your smartphone using simple materials like copper foil, aluminum ...

Rick] had a problem. His garage refrigerator was tasked with a critical duty—keeping refreshing beverages at low temperature.