Newsgroups: comp.robotics
Path: brunix!sgiblab!swrinde!cs.utexas.edu!howland.reston.ans.net!pipex!uknet!cix.compulink.co.uk!gaw
From: gaw@cix.compulink.co.uk ("Graham Wood")
Subject: RE: Adjusting Lamp Intensity with a Microcontroller
Message-ID: <CLDsvF.sB@cix.compulink.co.uk>
Organization: Pearpoint Ltd
References: <1994Feb16.220758.28755@tvnews.tv.tek.com>
Date: Thu, 17 Feb 1994 18:33:15 GMT
X-News-Software: Ameol
Lines: 7

The system you describe is indeed the way "cheap" dimmers operate. As you 
are controlling an incandescant lamp, you can reduce RFI by simply 
missing cycles out. ie you switch the triac at zero volts.

Graham Wood                        Pearpoint Ltd
                    fax:          +44-453-860048
               internet: gaw@cix.compulink.co.uk
