2300时钟芯片的读写函数。主要说明SD2300时钟的应用

DES/3DES算法的C语言实现，我对代码进行优化。只需要几十个字节的内存就可以。很适合用于单片机等下位机使用。-DES/3DES algorithm in C language, I optimized code. Only need dozens of bytes of memory can be. SCM is very suitable for such use under the plan.

AT24C256是ATMEL公司256kbit串行电可擦的可编程只读存储器，8引脚双排直插式封装，具有结构紧凑、存储容量大等特点，可以在2线总线上并接4片该IC，特别适用于具有高容量数据储存要求的数据采集系统。本文将介绍该IC的工作原理和与单片机的软硬件接口。-ATMEL Corporation AT24C256 is 256kbit serial electrical erasable programmable read-only memory, 8-pin double-line package, has a compact structure, characterized by large storage capacity can be 2-wire bus, and then 4 the IC, is especially suitable for high-capacity data storage requirements of the Data Acquisition System. This article will introduce the working principle of the IC and single-chip hardware and software interface.

8051的一些算法，浮点转换程序库，可以直接应用-algorithm, floating-point conversion, you can direct applications

pwm改变占空比的程序，已调试过，可以直接用KEIL使用-pwm duty cycle to change the procedures have been debug, and can be directly used by KEIL

单片机实现和PS2键盘的接口，C51语言编写，记不清什么时候网上找的了。-MCU and PS2 keyboard interface, C51 language, could not remember what time of the find online.

用于GPRS远程电力抄表系统中采集器端的程序，编译运行环境为Keil C-for GPRS Remote Meter System Acquisition end of the program, compile operating environment for the Keil C

关于stc11f32xe的应用，内部狗，eeprom使用，扩展存储ram。-With regard to the application of stc11f32xe Internal dogs, eeprom use, expansion of storage ram.

LED七彩渐变程序,上电循环,欢迎下载-LED Colorful Gradient procedures, power cycle, welcome to download

精确到秒，上电后开始走表，按键K2选择调整位，闪烁后按键K1加，按键K2第四次回到现实状态-Precise to the second, after power-walk table, adjust-bit key K2 choice, after flashing buttons plus K1, K2 keys back to reality the state of the Fourth

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