We’ve seen a few H-bridge circuits around these parts before, and here’s another application. This time we have an Old Train ...

There’s a seemingly unending list of modifications or upgrades you can make to a 3D printer. Most revolve around the ...

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 ...