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Date:         Sat, 10 Jun 2000 19:20:57 -0700
Reply-To:     Bill Davidson <wdavidson@THEGRID.NET>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Bill Davidson <wdavidson@THEGRID.NET>
Subject:      Re: Fridge burner LED
Comments: To: David Beierl <dbeierl@IBM.NET>
Content-Type: text/plain; charset="iso-8859-1"

sorry... I meant 500 mV for the thermocouple output; not 500 mA Bill

----- Original Message ----- From: "David Beierl" <dbeierl@IBM.NET> To: <vanagon@GERRY.VANAGON.COM> Sent: Saturday, June 10, 2000 3:51 PM Subject: Re: Fridge burner LED

> Sorry, dying or painting LEDs doesn't help. LEDs emit a very narrow band > of color, and anything you put over it will simply make it dimmer -- maybe > *much* dimmer. The color of an LED lens is simply to make it look that > color when it's not lit, it can't alter the color of the lighted LED in any > way. > > There are a couple or three basic ways to make that LED brighter -- 1) use > a brighter LED; 2) increase the gain of the amplifier; 3) combine 1 and 2; > 4) install a thermocouple with greater output. I'm not sure yet, but I > have a notion that some people's thermocouples are putting out more than > others -- some folks have a display that's just as dim^H^H^Hbright as the > other lights in the panel. > > The brighter LED is falling-off-a-log easy except for desoldering the old > one -- it's electronic soldering, but at the easy end of the scale. > > If you want to work with the amplifier, here's the schematic: > http://pws.prserv.net/synergy/Vanagon/Pilotmod_schematic.gif > > If you want me to modify the panel for you we can work something out. > > david > > At 08:12 6/10/2000, Joe L. wrote: > >clothing die. I know this last works for tinting some plastics as I used to > >do it to simulate tinted windows on model cars I used to build. If these > >sound worth a try I would try the thin paint wash first. If you dont like > >what the paint does you can wash it off. Because the die works as a stain > >and not a paint, depending on what kind of plastic the LED is made from, > >that die will either go on forever or it wont go on at all. Also note that > >the color you end up with will be a MIXTURE of the LED color and the die > >color. Color 1 plus color 2 makes color 3. Apply the wrong color die and you > >may end up with a black LED. > > David Beierl - Providence, RI > http://pws.prserv.net/synergy/Vanagon/ > '84 Westy "Dutiful Passage" > '85 GL "Poor Relation" >


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