键盘扫描及返回相关数据,只是读键盘与功能实现的一个接口函数...

/************************** 0 1 2 3 4 5 6 7 8 9 . CLR + - = CLR ***************************/ 用键盘扫描,数码管显示实现计算功能,能实现xxx.x任意正数的加减 运算,超过范围显0000,功能键如上-/************************** 0 1 2 3 4 5 6 7 8 9. CLR +- = CLR ***************************/ With keyboard scan, digital tube display of computing power, to achieve any positive xxx.x addition and subtraction Operation, significantly more than the scope of 0000, above function keys

密码锁调试程序成功，只是不知什么原因，显示不正常-Lock

一个经典的电子钟程序，采用汇编语言编写，时钟芯片采用DS12C887，具有遥控器修改时间等功能-A classic bell electronic procedure for the preparation of assembly language, the clock chip DS12C887, with remote control features such as modified

AD592温度传感器在Atmega8L下的测量程序-AD592 temperature sensor in the measurement procedure Atmega8L

利用实验板上的89C51,8279,LED,LCD等资源设计篮球比赛记时记分器，要求能够显示当前比赛时间和双方比分、剩余时间、24秒倒计时-The use of experimental board 89C51, 8279, LED, LCD and other resources designed basketball game when the scoreboard in mind, and asked to display the current game time and both scores, the remaining time, 24 seconds countdown

MEGA16 驱动开发板上的继电器,按不同的独立键，交替改变继电器开关状态-mega16 drive PWM

简易谐波分析仪 -Simple Harmonic Analyzer

单片机最新书籍－从基础到高级,介绍简单易懂,对初学者很有帮助。-Singlechip latest books- from basic to advanced, easy-to-understand introduction, very helpful for beginners.

此程序为单片机开发过程中的串口通信演示程序。用 汇编编写，供参考。-procedure for microcontroller development process of serial communications demonstration program. Using a compilation prepared for reference.

DS18B20资料及使用程序，适合51单片机开发，适合初学者-DS18B20 information and use the program for 51 MCU development, suitable for beginners