Quantity   Component name
1 × 1Nm Nema 23 Stepper Motor 1Nm holding torque bipolar stepper 200ppr
2 × Nema 17 Stepper Motor 0.5Nm holding torque bipolar stepper 400ppr
1 × 6 Axis Opto Isolated Parallel Interface Breakout Board
3 × A4988 Based Stepper Motor Driver 1A
1 × A4988 Based Stepper Motor Driver 2A Similar to above but with over-current protection and heat sinks
1 × PC with parallel port
1 × 3Nm Nema 23 Stepper Motor 3Nm holding torque bipolar stepper 200ppr
1 × 0.25Nm Nema 17 Stepper Motor 0.25Nm holding torque bipolar stepper 400ppr