51单片机32路并口多花样程序，用于沙盘模型或LED灯光招牌-51 single-chip 32-channel parallel port Multi-pattern program for the sand table model or LED illuminated signs

LED公交路牌显示程序以及仿真软件，对做公交显示屏行业的人来说作用很大。主控芯片的51单片机，以及74HC595.-Bus street LED display program and simulation software, for those bus display industry s role is very big. The main control chip 51 single-chip microcomputer and 74 hc595 are needed.