Ok, the link is repaired :)

Dennis Crawley <dennis.crawley@usa.net> wrote:
> Hi all,
>
> There are two movies about the controller I've made in this link.
> Let me say thanks for the support received from this list, in one or
> another way.
>
> www.geocities.com/proyectosenpic
>
> All the page is in Spanish, but more or less is this:
>
> 1.- The control uses  a PIC 16F873
> 2.- Uses two potentiometers, one for the pendulum, the other for the
> arm
> 3.- The pend. pot. is restricted to =B115=BA and converted to a 0 to
>     1024 ADC steps.
> 4.- The motor is controlled with PWM.(Scalectrix 12VDC motor)
> 5.- There is a PID in the PIC to control the pendulum, nested into a
>     proportional controller which controls the arm.
> 6.- A VB program receives at 115Kpbs the two pot. status circa 20ms.
> 7.- The VB program can changes Kp, Ki, Kd and Kx(arm), "on the fly".
> 8.- I'm not Almodovar, so that movies are the best I can do. :)
>
> Any suggestions are appreciated,
>
> Regards,
> Dennis Crawley


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