What are the requirements of your solar tracker? What does it need to do? Will it be used for aiming something like a solar array or mirror?
What is your rationale for a no-programming approach? Is it a time limitation? You could easily pick Arduino up in a few days using something like the
Arduino Cookbook and learn a lot about programming in the process.
As for the JAG, you would need to generate a PWM signal using something other than a microcontroller. Here is a starting point:
http://electronics.stackexchange.com...icrocontroller. If this looks daunting, I'd suggest going back to the Arduino approach.