A couple of years ago Circuit Cellar magazine had a nice article on using a
PIC to control model airplane servos.  I don't remember which issue.  Check
out there web site and see if you can get more info there.

Best regards,
Russ

>    I'm working on a hobby R/C transmitter and receiver for controlling a
>blimp. While there are some possibilities for both, I'll be using an
>standard receiver/decoder (LM1872) because it is light and easy, but I'd
>like using a PIC (16X84) for the transmitting logic.
>
>    The idea is having 'something' (read a 555) reading a potentiometer
>position and generating 1 to 2 ms pulses depending on its position -1,5 ms
>will be on the center-.
>
>
>    The question is: has anybody made some coding remotely similar to this
>using PICs?
>