PA1100磁头解码芯片驱动代码，支持银行卡轨道1、2、3数据，支持正反向刷卡，执行结果分别打印出磁条卡的3个轨道数据。-PA1100 head decoder chip driver code, support bank card orbital 1,2,3 data support the pros and cons to the credit card, the results of the implementation were to print out the magnetic str

四路小车的自动循迹，小车沿着既定轨道实现转弯，直走等功能。-Four road car automatic tracking, the car along the orbit to realize turn, go straight, and other functions.

51单片机控制有轨舵机机械手源代码，步进电机控制轨道运用，用舵机制作机械手，实用-51 MCU control robot source code, utilities