Quote:
Originally Posted by codemonkey
I might just hijack your thread with a newbie question if you don't mind, Colin.
Do you actually need a controller if you plan to automate focus using SGP (or some other software solution)? Is the controller only for manual control, or does it serve another purpose?
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Your main software (eg SGP) will send out a command along the line of "move to 1256" or whatever and the controller will read that command and generate the electrical pulses required to move the stepper in the focuser to get it to the desired position. you need a controller to interface between the software and whatever hardware you have