Based on the STM32 28 byj - 48 is driven by ULN2003 stepper motor to control?

CodePudding user response:

By ULN2003 only single direction driving a stepper motor, use MC33879 or similar chips of H bridge, so can two-way drive,

CodePudding user response:

Stepper motor generally have driver chips, conventional are speed command

CodePudding user response:

The

refer to the original poster xrf181081 response:

based on the STM32 28 byj - 48 is driven by ULN2003 stepper motor to control?

I can change speed, the time interval of each pulse