Dennis, take a look at my blog post on the "PerfectStar" controller - if you haven't already. I haven't made a broader announcement yet because I need to set up a new web site, but I can definitely make one for you. Does your AT111 have the new or old style focuser? Mine is the older one. If yours is the same (and they may well be sufficiently similar), I can easily put together the whole system for you - controller and motor.