本程序为单片机对四相步进电机的控制，使用L297，能够通过键盘设置电机的转动角度，精度为1度，文件夹里附有源代码和仿真电路图-This procedure for the single-chip for four-phase stepper motor control, use L297, set up through the keyboard of the rotating electrical point of view, an accuracy of 1 degree, with a fo