[Kevin Sevcik]

Originally Posted by Steven Sigley

Thanks for asking that, I was thinking of just using a vex computer which uses its own separate little battery. So the motors get power from 2 batteries and the computer gets its power from one little one.

That sounds like a sensible approach. Keeping your control system separated from the 24V except for the Jaguar PWM connections should be safe. The servo inputs are optically isolated, so you shouldn't have to worry about your high voltage damaging your lower voltage control side.