memory, 2) doesn't have adequate inputs, 3) the motor drivers included with it are useless in this application. I do believe that a 68HC11 is the way to go, I just don't think the miniboard is well suited to this application. -- Jonathan R. Lusky -- lusky at knuth.mtsu.edu "Turbos are nice but I'd rather be blown!" 89 Jeep Wrangler - 258 / For Sale: $8000 obo 80 Toyota Celica - 20R / 5spd