大型电玩城碎票机主板的源程序。涉及到UCN5821+数码管（程序中子函数为wr595,与74hc595略有不同）的运用、stc11系列eeprom的运用，内附原理图，可以根据一个具体小项目入门结构化设计。KILL 4打开。-City broken ticket machine arcade board of the source. Involves UCN5821+ digital tube (Functions of program wr595, with 74hc595 slightly d

proteus仿真程序，使用2片74HC595连接数码管（显示数字）改进后无重影-proteus simulation program, using two 74HC595 connecting digital (digital display) improved after no ghosting