本程序可实现，四个16*16级联LED点阵的汉字循环左移显示。

zlg sd card for ucos

51单片机读写D1302 包含对时钟区以及RAM区两部分的读写例程，下载直接使用绝无BUG-D1302 single-chip microcomputer 51 to read and write clock zone contains two parts as well as the RAM area of the read and write routines, download direct use no BUG

独特的，带有I/O解码器的普通phiphs红外遥控码

ARM环境使用的SD卡驱动和FAT16文件系统读写源代码-ARM environment for the use of the SD card drive and FAT16 file system to read and write source code

flash　m25p80的读写程序，使用软件模拟SPI总线进行操作。-flash m25p80 of reading and writing, the use of software simulation of SPI bus operations.

max7219仿真及代码,已经经过调试,供大家参考使用,内有仿真源文件-max7219 simulation and code, had already been debugging for reference use within the simulation source files

温度传感器ds18b20调试源代码，已经调试好的代码，可以直接使用。-Temperature sensor DS18B20 debugging source code, have a good debugging code can be used directly.

Arduino的步进电机控制，可以控制一个步进电机的方向，速度，内带stepper函数，可以直接调用-Arduino

AT89C51与ISD4004的接口及录音放音程序设计，控制4004-AT89C51 ISD4004 interface with recording and playback process design, control 4004

4X4矩阵键盘+LCD1602显示,可以开发好多功能-4X4 matrix keyboard+ LCD1602, it can be a good multi-purpose development