基于51单片机的电子密码锁设计的论文，论文中含仿真图及源程序，值得一看。-Based on 51 single-chip electronic code lock design paper, paper with simulation diagram and source code, worth a visit.

基于51单片机设计的1602电子密码锁的protues仿真资料加原程序-Based on 51 single-chip design of 1602 electronic locks protues simulation data plus the original program