Amazon
External power MOS transistor to support larger currents and maximum current 20A (Because the module is limited by area, the current cannot be exceeded); ultra-quiet mode;small heat can prevent motor shake; not easy to lose step; can drive 57 stepper motor
External power MOS transistor to support larger currents and maximum current 20A (Because the module is limited by area, the current cannot be exceeded); ultra-quiet mode;small heat can prevent motor shake; not easy to lose step; can drive 57 stepper motor