What happens when you combine an Arduino-based microcontroller with a palm-sized aluminum box and clicky buttons? A fidget ...

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

In the 1980s there were an incredible number of personal computers of all shapes, sizes, and operating system types, and ...

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 ...