51单片机矩阵键盘的设计与调试，建议使用52单片机。

单片机开发测试产线流水线速度，led显示速度-Single-chip development and testing of production line assembly line speed, led display speed

单片机智能控制，可以电话控制，无线控制 八路控制-SCM intelligent control, telephone, wireless control of the Eighth Route Army control

MF500非接触式IC卡开发板源程序 -MF500非接触式IC卡开发板源程序

基于AT89C51的电子钟源程序和Protel电路图，该电路可以实现定时开关灯，整点报时，在线调整时间、日期、定时开时间和定时关时间。 Protel电路图 其它类别 电子钟源程序 电路图源程序-AT89C51-based electronic clock source and Protel circuit, the circuit can realize lamp timer switch, the whole point of time, on-line adjust time, date, time and from time to time from time to time to open clearing time. Protel circuit diagrams of other types of electronic circuit source clock source

读卡器SIM卡SIMcard读写模块源代码-Reader SIM card SIMcard R/W Module source code

文件包含了开发motorola mc9s12uf32单片机一些源码。 　1、USB device 实现 　2、CF卡读取 　3、SD卡读取 　4、ATA硬盘读取-document contains a microcontroller development motorola mc9s12uf32 some source. A USB device to achieve two, three CF card read, SD Card Reader 4, ATA disk read

使用c51单片机制作的气象五要素采集程序 包括DS1302温度以及TLC2543、24c04，键盘 240*320液晶模块！-use c51 SCM produced five elements of the meteorological collection procedures include DS1302 temperature and TLC2 543,24 c04, keyboard 240* 320 LCD module!

电子密码锁，可以自己设置密码，C语言编写的-Electronic code lock, you can set up their own password, C language

又串口通信的扩展来得应用，由键盘输入数据后，由串口送到PC的子程序-also extended the application come from the keyboard input data from the serial port to the PC Subroutine

图形界面，轻点鼠标就可生成96系列汇编程序或C程序-graphical interface, with the mouse can generate 96 series assembler or C Program