Choosing RC Servo Controller

Hi,
I hope this is the correct group for my enquiry.

I need to integrate an RC servo motor into my project and I'm trying
to find the best way to control it. I'm unable to generate the PWM
control signal myself so I'm need to buy a servo controller. I don't
have any serial comms available, however, only digital IO lines. The
only servo controllers I've found so far are controlled via 232 (or
USB) - does anyone know of any controllers that I could control with
digital IO? For example, one pin to turn movement on/off, one pin to
set direction. Something simple like that. I've got sensors that
provide position feedback so I know when to stop the movement (but I
don't necessarily know exactly where that position will be).

Any help would be much appreciated!

Thanks,
Rob
.

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