There are some app notes on the Microchip website under home automation o=
n
dimmers. It covers most of the topics you have noted.

http://www.microchip.com/download/appnote/rdesigns/40171a.pdf

Thys

-----Original Message-----
From: pic microcontroller discussion list
[mailto:PICLIST@mitvma.mit.edu]On Behalf Of Andre Miller
Sent: 06 February 2004 12:03
To: PICLIST@mitvma.mit.edu
Subject: Re: [PIC:] Sample circuits for 240V Lamp dimmer?


Hi,

I'm mostly looking for how to actually design the triac load driving circ=
uit
and how to get the zero-crossing input to the PIC. That, and component
selection.

On the software side I'm sure I can work out the timing, but my knowledge=
 of
analog electronics is not very good :-)

_____

Andr=E9 Miller


-

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