国际象棋游戏，用单片机8051进行控制，可以进行游戏娱乐，里面包含有源程序，以及用protues的仿真结果。-Chess game, using 8051 microcontroller to control, you can play games entertainment, which contains the source code, as well as with protues the simulation results.

Count down timer use in presentation and game