LM297，也是控制步进电机的，也是当初做比赛时候用的，STC51单片机控制的-LM297, but also control the stepper motor is used when the original game did, STC51 Microcontroller

LM298 包含LM298使用手册中文资料 及使用历程 同时收录了LM297使用说明-LM298 contains the LM298 use manual Chinese information and use of the course at the same time included LM297 instructions for use