sounds like a good science fair project for jr high....if they started soon enough? Rather than the month the project was due.. >From: Jim >Reply-To: pic microcontroller discussion list >To: PICLIST@MITVMA.MIT.EDU >Subject: Re: [EE] Phase control dimming on a cheap pic >Date: Sat, 8 Jun 2002 20:37:48 -0500 > >Again, I'm not interested in the hypothetical (been >there, already performed *limited* tests myself in this >area) - > >- but I'm interested in *the* head-to-head _test result_ >numbers (the WHOLE reason I keep responding to this thread!) ... > >Maybe I can get a gov't grant to perform this head-to-head >test myself of resistored bulb versus zero-crossing turn-on >(and variation threreof) since this is an area that touches >MANY MANY people in the US (not to mention th erest of the >world) - > >- but then gain the 'bulb lobby' would propbably put a kabash >on that idea (a 'study') seeing as how they make out better >business-wise with people 'in the dark' on this issue! > >Jim > >----- Original Message ----- >From: "Jinx" >To: >Sent: Saturday, June 08, 2002 6:53 PM >Subject: Re: [EE] Phase control dimming on a cheap pic > > > > > What I'm *really* interested in is a head-to- > > > head test against a "resistored" bulb ... (already > > > *knowing* all the factors involved ...) > > > > I'm sure the bulb manufacturers have that data. Whether > > you can get it is another matter. A reasonably small test > > sample might do, maybe a dozen bulbs and a PIC to run > > the switching. My guess is that a combination of resistor > > +soft-start (electronic or using an in-rush suppressor) > > would extend the life-time of a bulb 10's of times for very > > little outlay. If the bulbs I've got resistored popped today > > I wouldn't care - made my money back many times already > > > >-- >http://www.piclist.com#nomail Going offline? Don't AutoReply us! >email listserv@mitvma.mit.edu with SET PICList DIGEST in the body > > _________________________________________________________________ MSN Photos is the easiest way to share and print your photos: http://photos.msn.com/support/worldwide.aspx -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads