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[lcdproc] Question: How to connect an LED to GPO of Matrix Orbital.

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  • From: risto AT (Risto Jouhki)
  • Subject: [lcdproc] Question: How to connect an LED to GPO of Matrix Orbital.
  • Date: Mon, 18 Sep 2000 23:47:09 +0000

Ethan Dicks wrote:
> --- Matt
> <madmatt AT>
> wrote:
> > David Glaude wrote:
> >
> > | Well, If I remember well, you have a 5V(?) output on those 6(?) GPO.
> > | Now if you connect directly your LED to those pin, you might distroy
> > them.
> > | You may need a resitance in between.
> >
> > How many of us have cases with those stupid Turbo LEDs in them? I've never
> > owned a single PC that has used it apart from to show SCSI activity in one
> > machine.
> I had a 486 w/10Mb NIC that had a LAN activity jumper - I wired the turbo
> light up to it...
> > Do we think we can attach it to the LCD? :) With a little help...
Just be sure there is at least 150 ohm resistor in series with the led
somewhere in the circuit. The turbo LED (and others) usually doesn't
include it, the resistors are in most cases on the motherboard.
Can't answer about GPO, newer seen one :)


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