Digital Timer Light Switch - Yup it goes in place of a light switch. HOME

Typical circuit representative of those used in most light switch type digital timers. The timer module is normally a PIC or custom chip, and it syncs to the AC line so that a trigger pulse can be supplied at the right moment.
Circuit Diagram aka Schematic reverse engineered from circuit board

I do not gaurantee the accuracy or safety of any information herein.
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Do not experiment with or build any of the above circuits.