0.5-4A 9-40V DC CNC Stepper Motor Driver 32 Micro-step Resolutions Step Controller Module Board for Nema 8, 11, 14, 16, 17 Stepper Motor industrial The bead phone charms are

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0.5-4A 9-40V DC CNC Stepper Motor Driver 32 Micro-step Resolutions Step Controller Module Board for Nema 8, 11, 14, 16, 17 Stepper Motor industrial The bead phone charms are0. 5 4A 9 40V DC CNC Stepper Motor Driver 32 Micro step Resolutions Step Controller Module Board for Nema 8, 11, 14, 16, 17 Stepper Motor This Stepper Motor Driver provides over heat, over current and short circuit protection. Seven kind micro steps can be adjusted. Large area heat sink can effectively dissipate heat. Lower noise, lower vibration, and lower heating Specification: Input voltage: DC9 42V Input current: 5A(recommended) Output current: 0.