一个单片机控制继电器的程序。用C编，可实现一定的基础控制功能...

利用8279芯片实现通过2X8键盘输入加数和被加数并计算出结果，同时将加数、被加数和结果都在LED灯上显示出来。-Chip 8279 through the use of 2X8 and keyboard input addend addend and calculated results, at the same time, addend, addend and the results were in the LED lights on the display.

usb slaver for sd card

内容： 1、试验目的：了解按键的扫描原理 2、实现现象：同时按键抢答，先按的键有效，其他按键锁死 复位后重新开始抢答 3、硬件要求：按键 LED灯 原理：最先按下按键者有效，其他均无效-Contents: 1, test Objective: To understand the key principles of scanning two to achieve phenomenon: the key to answer in the same time, press the key and effective, other key-lock reset and re-start to answer in 3, the hardware requirements: button LED lights principle: first press the keys are valid, others are null and void

使用国产CH341A芯片实现USB转串口，完全兼容AVR JTAGICE，可以自动升级。 支持芯片: ATmega16(L), ATmega162(L), ATmega169(L or V), ATmega32(L), ATmega323(L), ATmega64(L), ATmega128(L). 原理图还附加了RS232接口，可以方便用户自主选择串口或USB下载程序。 还附加有可自动升级的HEX文件-The use of domestically produced CH341A chip USB to serial port, fully compatible with the AVR JTAGICE, can be automatically upgraded. Support chips: ATmega16 (L), ATmega162 (L), ATmega169 (L or V), ATmega32 (L), ATmega323 (L), ATmega64 (L), ATmega128 (L). Schematics also added a RS232 interface, can easily users to choose the serial or USB download. Additional there is also automatically upgrade the HEX file

超小gps+msp430的部分原代码,有需要的普有可以-Ultra-small gps+ Msp430 part of the original code, there is a need to have the S

51与pc串口通讯，主要用c语言编写，相信对初学者会有好处的-51 pc with serial communications, the main c language, I think it would be beneficial to the beginners

台湾凌阳单片机SPCE061A单芯片做的一个带按健LCD显示，USB通信的一个类似于MP3的一个产品。不带FAT32的。-Taiwan Sunplus SPCE061A single chip to do with a by-LCD display, USB MP3 similar to the one in a product. Not with the FAT32.

8051上的CRC8校验 A CCITT-8 CRC calculator. The source contains both the calculated (smaller but slower) version, and the table driven (faster but larger) version.-8051 CRC8 check on the CCITT A-8 CRC calculator. Th e source contains both the calculated (smaller but slower) version, and the table driven (faster but larger) versio n.

非接触式IC卡读写器,Mifare 1非接触式IC卡读写核心模块MCM2-Design of Mifare Touch- Free IC Card Reader

ATMEL ARM7的一款芯片应用实例,可以在IAR上面运行-ATMEL ARM7 application example of a chip can run IAR above