Some kind of continuity beeper has been a standard piece of gear since the dawn of electronics. Sure, you probably have an ...

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

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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 ...