PC端，实现51单片机HEX代码写入系统的程序存储器。

I2C实用源代码。KEIL C51编译器编写。-I2C utility source code. KEIL C51 compiler to prepare.

键盘可以直接接在单片机上，实现标准pc键盘的使用-Keyboard can be directly connected to the single-chip microcomputer, the realization of the use of standard pc keyboard

基于PIC单片机的IC卡读写器的设计，以pic167c4单片机为核心的IC卡读写器的设计-PIC microcontroller-based IC card reader designed to pic167c4 microcontroller core of the IC card reader design

基于51系列单片机的与PC通信(RS232)的应用 正在学习单片机,编来-based on the 51 series microcontroller and PC communications (RS232) is currently studying the application microcontroller series to try

一个关于我自己写的单片机流水灯的的程序，希望对大家有用-A microcontroller to write about my own water lights of the procedures in the hope for all of us

飞利浦的80C552串口通信代码，可通过PC机完成对单片机的控制，并向上位机返回数据。-80C552 bunches of communication code of Philip, can finish the control on one-chip computer through the PC , and return to the data in the upward location machine.

实现键盘码的读取，并在LED上显示。单片机部分，并在KEIL下运行-? 殚 ???? ???????邋 ?LED 邋 ???? ??机 ??殚 ????邋 ?KEIL 邋 | |

基于CY7C68013A的mouse+keyboard混合USB外设应用范例。本套代码使用多个报表描述符实现复合设备。与之相对的另一种方案是使用多个interface，该方案另行上传。-This project focuses on building a mouse+ keyboard hybrid USB device with the popular Cypress CY7C68013A chip. Implementation is based on a multiple ReportDescriptor solution. Please refer to CY3684 dev kit documentation for more details regarding hardware platform.

Samsung 2440 sample keypad example in C