You can experiment with putting two dimmers in series.  They will
interfere with each other for a crude (but adjustable) flicker.
 Depending on the dimmers you use it can get pretty random as well.

But for simpler solutions, search google for terms such as candle
simulation, stage lighting, halloween stuff, etc.  There is lots of
stuff out there, and you'll likely get a better result without a PIC
than with one.

-Adam

Micro Eng wrote:

> so...how about a dimmer that flickers? I thought I saw something about
> this
> a few years ago on the list.  I have some lights that might be cool to
> simulate candles, rather than just dimming...
>
>> From: "Chris Loiacono (E-mail)" <chris01@TAMPABAY.RR.COM>
>> Reply-To: chris@mail2asi.com
>> To: PICLIST@MITVMA.MIT.EDU
>> Subject: Re: [EE]: dimmer chip
>> Date: Fri, 23 Nov 2001 01:28:01 -0500
>>
>> Yes, several based on 18C442's. Why?
>>
>> Chris
>>
>> > -----Original Message-----
>> > From: pic microcontroller discussion list
>> > [mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of Peter L. Peres
>> > Sent: Thursday, November 22, 2001 2:02 PM
>> > To: PICLIST@MITVMA.MIT.EDU
>> > Subject: [EE]: dimmer chip
>> >
>> >
>> > > Has anyone worked with a micro controller light dimmer circuit?
>> >
>> > 12C508
>> >
>> > Peter
>> >
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