Yes, it has been done, origonal article in Circut Ink and I believe that the author advertizes in the magazine currently.
Used a PIC as I recall.
Check the Circut Ink web site.
Does anyone know of a method for controlling model aircraft servos from a RS232 port on a PC? Is there a control module of some kind on the market? Looking to independently control 4 servos.
Rube Goldberg II