Replacement stepper motor driver card for Velleman K8200 3D Printer
Controls the MOTS4/SP Stepper Motors of the K8200 3D Printer
Can be used with a wide variety of stepper motors
Simple step and direction control interface
Five different step resolutions: full-step, half-step, quarter-step, eighth-step, and sixteenth-step
Adjustable current control lets you set the maximum current output with a potentiometer, which lets you use voltages above your stepper motor’s rated voltage to achieve higher step rates
Intelligent chopping control that automatically selects the correct current decay mode (fast decay or slow decay)
Over-temperature thermal shutdown, under-voltage lockout, and crossover-current protection
Size: 42.3 mm square × 48 mm, not including the shaft (NEMA 17)
Weight: 350 g (13 oz)
Shaft diameter: 5 mm “D”
Steps per revolution: 200
Current rating: 1.2 A per coil
Voltage rating: 4 V
Resistance: 3.3 Ω per coil
Holding torque: 3.2 kg-cm (44 oz-in)
Inductance: 2.8 mH per coil
Lead length: 30 cm (12″)
Output shaft supported by two ball bearings
NEMA 17 size
Size: 20 mm square × 30 mm, not including the shaft (NEMA 8)
Weight: 60 g (2 oz)
Shaft diameter: 4 mm “D”
Steps per revolution: 200
Current rating: 600 mA per coil
Voltage rating: 3.9 V
Resistance: 6.5 Ω per coil
Holding torque: 180 g-cm (2.5 oz-in)
Inductance: 1.7 mH per coil
Lead length: 30 cm (12″)
Output shaft supported by two ball bearings
NEMA 8
Size: 28 mm square × 32 mm, not including the shaft (NEMA 11)
Weight: 110 g (4 oz)
Shaft diameter: 5 mm “D”
Steps per revolution: 200
Current rating: 670 mA per coil
Voltage rating: 3.8 V
Resistance: 5.6 Ω per coil
Holding torque: 600 g-cm (8.3 oz-in)
Inductance: 4.2 mH per coil
Lead length: 30 cm (12″)
Output shaft supported by two ball bearings