TI-H: Re: Graph link not working
[Prev][Next][Index][Thread]
TI-H: Re: Graph link not working
Don't you need three wires for the graph-link?
----- Original Message -----
From: "William Cox" <william@characterlink.net>
To: <ti-hardware@lists.ticalc.org>
Sent: Friday, August 25, 2000 2:10 PM
Subject: TI-H: Graph link not working
>
> Hey all,
> I wrote in a while back saying my $4.00 serial link wouldn't work. I
> couldn't find any shielded wire. I'm just using two wires. Could that do
it?
> Plus, the schematics isn't very clear as to which wire goes to the tip of
> the plug, and which goes to the base.
> Plus, the voltage across the diode is backward. The ground on my serial
port
> is supplying close to 10v while pin 3 is sinking it. I switched around the
> LED. Now the LED stays permanently on when plugged into the port. Still
> doesn't work.
> -William
>
>
> =============
> GoRobotics.net -
> Robotics projects, links,
> books, tutorials, and more!
> http:\\www.gorobotics.net\
> ===============
>
> ---------------------------------------------------
> R U 100% Sure
> that if you died tonight you'd go to heaven?
> ------------------------------------------------------------
>
>
References: