创建复杂焊盘,解密后的程序 不再输入序列号-Create complex pad, after the decryption process will no longer enter the serial number

数字键盘控件，实现数字输入，以及切换到软键盘控件（刚才上传的Keyboard_20100726.rar）-number pad control

单片机C语言基于AVR+PROTEUS仿真，普通电话机拨号键盘应用，将电话拨号键盘上所拨号码显示在1602液晶屏上-Microcontroller C language based on AVR+PROTEUS simulation, and application of ordinary telephone dial pad, number dialed on the telephone dial pad display 1602 LCD