Quantity   Component name
2 × Driver pulley 20 teeth. 5 mm bore
2 × Driven pulley 60 teeth. 6 mm bore
2 × Timing belt Wide 6 mm
2 × Nema 17 stepper motors with a torque 45N.cm.
2 × Driver for stepper motor: DRV8825
2 × Resistor 150 KOhms
1 × Potentiometer 1KOhms
1 × Capacitor 100nF
1 × Capacitor 1nF