MPC82G516单片机使用内部硬件PWM方式128细分、256细分方式驱动步进电机的程序，电路简单，成本极底，两路PWM就可以控制一只单极性的步进电机了。-MPC82G516 microcontroller using an internal hardware PWM mode 128 segments, 256 sub-way drive stepper motor program, the circuit is simple, cost very end, two PWM can cont

用单片机的两个PWM对两相四线步进电机进行细分驱动-Two PWM single-chip two-phase four-wire stepper motor drive segments