Universal speed controller / dimmer

Hi all,

I built this to speed / power control various equipment. Eg. I could run my angle grinder slowly and do careful work, or I could run my vacuum cleaner slowly to reduce noise. I have used an additional switch with the dimmer so I could easily bypass the dimmer control. Use an electronic fan dimmer (continuous control, not the step control one) as it can handle more power than the light dimmers.



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