Hi there!

>Servos typically have three lines, Control, Gnd, & Vcc (in that order).  The
>Servo Control can be hooked up directly to a PIC.  The signal itself repeats
>every 20 msec and consists of a Vcc Pulse 1 to 2 msec in length.
>
>The PIC can't supply enough current to power the Servo.

But the PIC can supply enought power to send pulses to the pulse pin?
And then I can connect the power and ground pin to a battery or something?

>I use the TMR0 Interrupt; every 18 msec, I put out a 1 msec pulse and then
>set a counter that makes the pulse low when the value equals the counter.
>The Counter goes on until another 1 msec is used up.

So you can configure the timer that every 18 msec, it sends a pulse of x
duration to the servo?

>I bought Tower Hobbies "TS-51" Servos for $11.95 (USD).  They have others
>that have more capabilities (and higher cost).  Note that Futaba Servos
>require a different timing spec.

Can the TS-51 be easly converted so it can fully rotate? (365 degrees)

Thank you very much! & Talk to you soon!
Jean-Francois
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Jean-Francois & Alain Joly
jolyal@capitalnet.com