基于Proteus，89C51，L297/L298的步进电机原理图和原代码，实现步进电机正反转，加速减速,Based on the Proteus, 89C51, L297/L298 schematic diagram of the stepper motor and the original code, to achieve positive stepper motor to speed up slow down

40 different LED pattern used in DMX light with proteus file and C file to use in keil.-40 different LED pattern used in DMX light with proteus file and C file to use in keil.