Learn how to build a hand-crank phone charger at home using simple electronics components like repurposed DC motors, magnets, ...
There are plenty of radios you can buy that pick up MW and SW bands if that’s what you’re into. Or, you can follow [mircemk]’s example, and whip one up yourself instead. The build employs an ESP32 as ...
The RootBoard is a handheld computer kit with a 3.5 inch color display, a 70-key thumb keyboard complete with function keys, and a built-in speaker plus what looks like a decent s ...
Sadly, it can't help you carry lots of packages in one trip.