时钟芯片在单片机系统中的应用,实现单片机的时钟应用，可以显示时钟...

用ATMEGA16的硬件SPI驱动AT45DB041D，近期写的可以正常使用，芯片的功能都有．．拿来就可以用，程序说明也很清楚-ATmega16 with hardware SPI driver AT45DB041D, recently wrote to normal use, the chip function. . Used to be able to use are also very clear description of the procedures

LPC17开发板例程《1-GPIO通用IO口例程》-LPC17 GPIO code

MSP430的P2口接4*4键盘，通过中断方式实现串口通讯，通过PC端运行串口调试软件显示键号-MSP430 P2 I received 4* 4 keyboard, interrupted achieved through serial communications, PC terminal operations through serial debugging software, and display key,

使用DS12C887时钟芯片设计一个多功能时钟，在液晶上显示年月日星期时分秒并按秒更新，具有闹钟设定到时报警功能，可用按键随时调节各个参数。-DS12C887 clock chip designed to use a multi-functional clock, the LCD displays date and then every second week, when the second update, that time has set the alarm clock function keys can be used at any time adjust the various parameters.

keyboard interface

AVR单片机的优化RC6 加密算法（速度快，其优化思想绝对值得学习） 在有128bytes RAM 的AVR单片机上执行 rc6 16/10/8(16 bit/10 rounds/8 bytes keys) * 对多数代码进行了 C 语言优化，对数据相关循环移位，模乘等用ASM优化 * 在4MHz无乘法器的AVR上得到平均 1172 Bytes/s的加解密速度。 * 编译器: AVR-G-AVR optimization RC6 encryption algorithm (faster, optimizing their thinking definitely worth learning) 128bytes of RAM in the AVR on the implementation of production 16/10/8 (16 bit/10 rounds/8 bytes keys)* for the majority of code optimization of the C language the data related to cycle shift, mode used by other optimization* ASM 4MHz without the multiplier be average AVR 1172 Bytes/s speed encryption and decryption.* Compiler : AVR-G

基于AVR128单片机的电子时钟程序，包括时间设定，闹钟设定等功能，使用液晶显示-AVR128-based single-chip electronic clock procedures, including time settings, alarm settings and other functions, the use of liquid crystal display

一个液晶显示器TX240128程序。我把我小孩的相片做在上面了，如果你用51的片子就能调试你的显示器了。端口连接在程序中有定义。你看下就知道了哈！-A liquid crystal display TX240128 procedures. I put my kids to do in the photo above, if you use the 51 films will be able to debug your display has. Port in the procedure definition. You know facie Ha!

非接触式ic卡读写程序,希望对大家有帮助-Non-contact ic card reader program, and they hope to have everyone help

锅炉水位模拟系统。由两排各125个小LED灯组成，可以让小灯从任意位置在任意时刻移动到目标位置。-Boiler water level simulation system. By two rows of the 125 small LED lights that can allow a small lamp from anywhere at any time move to the target location.