Abacus Robot project update...
1/8 Micro-Stepping Stepper Motor Drivers with Torque hold logic
Opto-Isolated Parallel Port Breakout Board (just in case I screw up, I won't fry my motherboard)
1 of 3 Nema 23 Stepper Motor from Pacific Scientific
Ultra modified 350W PC Power Supply for 12V and 5V requirements