proteus7.5破解版，可用于单片机学习，仿真，可以在没有硬件的基础之上学习单片机。-proteus7.5 crack version, can be used for single-chip learning, simulation, there is no hardware in the study based on single chip.

protus软件请下载，学习。。。。。。(PROTUS software, please download, learn)