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My "notsohot" project will enable a heating device to be cycled on and off with a duty cycle adjustable from <5% to >95%, and a cycle time of around 7 seconds, to reduce the appliance's average heat output (and power consumption). It interrupts the mains supply to the appliance using a triac...

My 'Fanrunon' project is a turn-off delay timer module for use with an AC mains load such as a fan or a light. The rated maximum current is 2.5A RMS. It uses a triac for switching, and a Microchip PIC12F675 microcontroller. At this time, I have not built up the hardware, and I have only partly...