包含proteus仿真原理图，完整程序 用内部定时器做时间控制，用74ls164进行串行口控制位选 可调时间时分-Women suddenly Proteus Yi Ling原standard braise ， entire most-complete序snapped using twitter时corner 器做时Jie制satirical ， 74ls164 vehicles using shallow dorsal vers

LCD1602和74LS164的电路图，还有完全的C语言代码，附加上了仿真原文件。-LCD1602 and the 74LS164 in the schematics, as well as the complete C language code, additional on the simulation of the original document.

51单片机与74LS164连接的原理图，带proteus仿真源文件，c程序源文件。-51 and 74LS164 connection schematic with proteus simulation source files, c program source file.