120VAC Lamp Dimmer

Manufacturer did not bother to design in the usual choke.

This must generate an awfull lot of RFI without a choke! The house wiring supplies the di/dt limiting. This is a CHEAP design which exhibits hysterisys at dim settings. Not everything made and sold to the public is top notch.

Circuit Diagram aka Schematic reverse engineered from circuit board

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so be inspired by it but do not use it as a basis for experimentation or other actions.

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