功能：编程实现简化Xmodem协议，为实现标准的Xmodem协议做基础...

USB非接触式IC卡读写器，主要用于读写IC卡-USB contactless IC card reader, mainly for the IC card reader

用DSP控制步进电机,DSP选用TMS320C240,-Stepper motor with DSP control, DSP selection TMS320C240,

单片机上支持SD卡。SPI方式通讯，速度几十K-Single-chip support for SD cards. SPI communication, the speed of dozens of K

DAC0832 DA转换 三角波 正弦波 以及锯齿波 的源程序-DAC0832 DA conversion triangle-wave sine wave, as well as the source sawtooth

这是原创的基于PIC16F877A单片机的读SD卡文件系统程序源代码-This is the original PIC16F877A microcontroller-based SD card file system read source code

炬力att7027仿真的说明程序还有开发板-att7027 simulation of the development process there plate

实时时钟芯片DS1302采用串行接口，只需3根引脚便可以完成操作，其使用非常方便。这里采用AT89S52单片机作为外部微处理器，来对DS1302进行控制-Real-time clock chip DS1302 serial interface, only three pins will be able to complete the operation, its use very convenient. AT89S52 microcontroller used here as an external microprocessor to control of the DS1302

一个简单的时钟开发程序,显示时,分,秒!!! 可以接上数码管再加上简单的转换就可以制作为简单的电子表-Clock to develop a simple procedure, show hours, minutes and seconds!!! Can be connected to digital tube coupled with a simple conversion can create a simple e-form

基于VC++6.0应用MSCOMM控件的串口通信上位机程序,实现与51单片机的通信-Based on VC++ 6.0 Application MSCOMM control PC serial communication procedures, with 51 single-chip communication

键盘扫描程序，初学者可以拿过来借鉴一下，程序里有详细注释!-Keyboard scanner, beginners can take over from you, the program, there are detailed notes!