>As part of my circuit, I used a relay to convert a full wave rectified
>AC input to a half wave to detect when the "time set" switch is pressed.
>This is just a series diode being switched in and out of a leg of the AC
>path to the full wave rectifier.

I can't picture where you use a relay. Use a switch to cut out a diode
(normally closed switch). The same function can be implemented using a PNP
in series with the diode, a FET, a thyristor, even a photodarlington if it
has to be (for lower power circuits).

Peter

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