继续上传：单片机89C51，LCD12864密码锁。

Microchip Technology Inc. The crypt key, serial number and configuration data are stored in an EEPROM array which is not accessible via any external connection. The EEPROM data is pro-grammable but read-protected.

一书的配套光盘中的程序---北航---周航慈-著- of a book on CD-ROM in the matching process BUAA------ Hang Tsz week- a

这个是实时时钟芯片DS1302的驱动程序，采用c51编写，编程时只需要修改一下SCL,IO,RST的引脚定义即可，经过测试，完全好用-This is a real-time clock chip DS1302 driver, using C51 preparation, programming, only need to modify about SCL, IO, RST pin can be defined, tested and fully use

基于at89c52的乒乓球游戏系统，全部通过lcd菜单选择，通过proteus仿真（绝对可行）-err

51开发板调试程序，包括LED驱动接口，串口，AD/DA,EEPROM，蜂鸣器，键盘以及16*2LCD驱动模块，并提供单字节和字符串显示接口-51 development board debugger, including the LED drive interface, serial, AD/DA, EEPROM, buzzer, keypad and 16* 2LCD driven module, and provides single-byte and string display interface

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

电机控制驱动芯片L298经典控制实例，源码，引脚及应用电路图-Motor Control Driver IC L298 classic control examples, source code, pin and application circuit

利用L293D驱动步进电机，正转，反转，调速等-Make use of stepper motor driver L293D is transferred, reverse, speed control, etc.

C:CypressUSBExamplesFX2重要的实验程序cypress官方提供模版ezusb-C: CypressUSBExamplesFX2 important experimental procedures cypress official template ezusb

基于MSP430F149单片机的PS/2键盘程序，可以读取普通PC键盘上的按键键值。希望读者已了解PS/2的引脚功能。-MSP430F149 MCU-based PS/2 keyboard procedures, which can be read by an ordinary PC keyboard keys on the keypad. I hope readers understand PS/2 pin functions.