>I always wanted to do an AC-PWM type of dimmer.
>Never read anything against, nor in favor.

You can read about one, in this thread:

[PIC]: Squirrel cage fan motor or heater control (xfan1)

which implements it for an interrupt-less 12C508 (can use 16F84 oe 628 for
testing). The thread is from March 2002.

A simpler one can be built using a programmable CMOS counter.

Peter

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