1、本程序用于测试4相步进电机常规驱动

2、需要用跳帽或者杜邦线把信号输出端和对应的步进电机信号输入端连接起来

3、速度不可以调节的过快，不然就没有力矩转动了

可以按照给的原理图接线

接P1.1-P1.4-1, the procedure used to test conventional drive 4-phase stepper motor 2, with a the jump cap or the DuPont line stepper motor signal output terminal and the corresponding signal input terminal connected 3, the speed can not be adjusted too fast, otherwise they no torque rotation according to the schematic wiring P1.1-P1.4