Category Archives: DIY

Dr Brown’s capacitor ESR tester

in DIY by DP | 0 comments

Rupert Hirst writes: I finally got round to making my capacitor ESR tester this week after finding a nice simple 5 transistor version by EEVBlog member Jay_Diddy_B. Unfortunately, for me, the design was only SMD so, I decided to replicate … Read more

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Hauksbee Generator

in DIY by DP | 2 comments

In this video Rick Crammond demonstrates his Hauksbee Generator: The idea is that a triboelectric (electrostatic) effect occurs from sliding hands on glass. The voltage generated ionizes the gases in the globe, creating a blue plasma glow inside. Our rotating globe is … Read more

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