You don’t see them much anymore, but there was a time when any hobbyist who dealt with RF probably had a grid dip meter. The ...

The concept of building your own hydroelectric generator seems simple at face value: use gravity to impart as much force as ...

"I built each of these machines," the man said, noting, "if I bought them, they'd cost over a quarter-million to buy." ...

For something intended to mimic good old pencil and paper, drawing tablets and the tech behind them are surprisingly complicated. If you fancy a crash course in how they work and want to build your ...

Making a servo tester using an Attiny85 micro chip, Attiny45 also works for this project. This diy servo tester is as good as any other servo tester, the difference is that it can be programmed to do ...