Category Archives: explaining theory

CuVoodoo #019 – time to spark!


real power vs. apparent power:
We all know voltage times current is power, real power, but don't forget the time component since the RMS values will only give you apparent power, and this is by a power factor different.

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Published: 2016-12-24 by King Kévin

CuVoodoo #018 – sparks! unite and vanish


introduction to 3-phase 4-wire power distribution:
After showing the tools used to protect myself against the sparks coming out of mains we will see the magic behind three-phase four-wire power distribution and why my custom electricity meter, the spark counter, cannot be used for such installations.

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Published: 2016-12-03 by King Kévin

CuVoodoo #001 – how to identify electronic components


some tricks to identify electronic components on printed circuit board assemblies

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The IC logo I collected are available on this site.

additional links:


Published: 2014-09-09 by King Kévin