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“Heya. So I found people building perpetual self-exciting pendulums (pendula? pendulae?) and showing them off on youtube. Nice 🙂 So far the most elegant that I know of seems to be THIS ONE by youtube channel [TinselKoala] … which is in turn …

“Last time I did the Hot wire foam cutter but I missed the temperature control. So that’s why I made a simple PWM control. The whole project was based on Arduino ATtiny85 Digispark. For this project I only needed …

“While making my mini table saw I bought a 12 V motor speed controller module from eBay. Fair enough, I thought … that was an easier and straight forward solution. But then I decided to make my own. I did some …

“Motors are everywhere where and we see them in every application.From Drills to Locomotives , from RC car to lathe machine everywhere there are uses of motors. But the most important characteristic of the motor is ,the need to be …

“Currently I’m working on a device to electrocute home insects like cockroaches, progress is small because they are smarter than I thought, but that’s a different story. For that project I had to find a source of sufficient …