On Mon, 15 Sep 2008 10:43:28 -0400, "Patrick Keenan" <(E-Mail Removed)>
wrote:
>I'm trying to sort out how to use an analog, needle-style, coild&spring type
>of panel meter movement. I have a couple of samples to play with,
>unfortunately I have no infomation about them. On one, the needle rests on
>the left, on the other, the in the center - this is actually the one I am
>most interested in using.
>
>For clairty this is the kind of device I'm referring to:
>http://www.process-controls.com/Modt...Taut_Band.html
>
>So I'm looking for a sample circuit that shows me how this sort of movement
>is connected and driven, or just what words to use on Google to find such
>circuits, and how to figure out details on the samples I have. I'm finding
>lots of results on meters except for how to do this.
>
>I'm intending to use this movement to indicate whether a signal is above or
>below a given value - if you think of a guitar tuner, that's probably a
>helpful example.
Hello Patrick,
I have a software solution that approaches the idea of what you are
doing. I use this for rapid theremin musical note display. It shows
the +/- deviation of the displayed note, frequency and wave shape.
http://www.oldtemecula.com/theremin/...pitchtuner.htm
* * * *
Christopher
Temecula CA.USA
http://www.oldtemecula.com
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