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[DPRG] Circuits for Panel Meters

Subject: [DPRG] Circuits for Panel Meters
From: Anton Olsen anton at antonolsen.com
Date: Mon Nov 2 09:20:24 CST 2009

I ran across this the other day when I was looking to monitor a 12V
battery with an old 5V meter I had in the junk bin.


On Mon, Nov 2, 2009 at 10:07 AM, Ed Paradis <legomaniac at gmail.com> wrote:
> Hi Everyone,
> I remember a while back at an RBNO there was mention of a site or
> article giving the run down on some useful circuits for using panel
> meters.  I asked Google and searched the list archives with no hits.
> Anyone remember something like that?
> I'd like to come up with a simple analog circuit (I imagine using
> zener diodes and resistors) that lets me take standard 0-50uA meter
> and scale it to something weird, like 10 to 15 volts.
> I don't want 0 to 15 volts, that is trivial.  I need to figure out how
> to specify the maximum and minimum voltage range.  I was hoping
> someone had done the leg work for me already. :)
> Ed
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