刷卡饮水机程序，包括RFID卡读写操作，EEPROM数据存储，电磁断电器控制，LED显示，与上位机通讯-Credit card dispenser procedures, including RFID cards to read and write operations, EEPROM data storage, electro-magnetic cut electrical control, LED display, and host computer communication

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

红外遥控射频卡公交卡、饭卡刷卡系统应用 有读卡信息（卡类型、类号、余额），初始化卡，充值和扣款功能。 2.多级菜单操作，菜单有反白高度显示。 3.全遥控操作，通过遥控键盘控制读、写卡，并可输入读、写数值。 4.自动设定数据范围，超范围自动提示。-Infrared remote control RF card bus card, the card credit card application system Read the card information (card typ