用PIC16F887及LCD1602，DS1307做的数字电子钟，具有时间调整，闹钟设置及秒表的功能-PIC16F887 and LCD1602, with DS1307 do digital electric clock, have time to adjust, alarm and stopwatch function

包含电话拨号、密码设定和简单计算器，文件包括proteus仿真图。可以利用Mplab(v4.05)与protesu联调在线仿真。硬件模块涉及矩阵按键和LCD1602， 程序仅供参考，设计不合理的地方欢迎大家留言交流。(It includes telephone dialing ,password setting and simple calculator,including proteus simulation. Mplab (v4.05) and proteus can be used for