MSP430f2274 SCM ds08b20 procedures, to achieve four decimal display, accurate to...

SD卡驱动 SD_CARD_TIMEOUT 当一个SD卡的操作超出时限，将导致返回错误和该标记被置位 SD_CARD_EXIST 当卡槽内插入了合适的卡体，不管是什么卡，都会使该位被设置； SD_CARD_WRITE_PROTECT 当卡体的写保护开关被 LOCK 时，则该位被设置； SD_CARD_READY 当卡槽内的卡被正确识别，并可以随时访问时，则该位被设置； SD_CARD_DOOR_CLOSE 当卡槽的门（产品外壳上的挡板开关）关闭时，则该位被设置； SD_CARD_IS_SD 当卡槽内插入的是 SD 卡时，则该位被设置。 SD_CARD_IS_MMC 当卡槽内插入的是 MMC 卡时，则该位被设置； 注意：不要使用 0x80，免得和整数作逻辑运算时被误为负数。-err

C8051F040 ＣＡＮ总线编程，演示时需两块０４０的开发板，开发板的按键状态通过CAN总线发到另一个开发板上并通过ＬＥＤ显示出按键状态．-C8051F040 CAN bus programming, presentation 2 040 when the development board, development board through the state of the keys issued to another CAN bus and through the development of on-board LED shows the status button.

8279与单片机接口 8279与单片机接口

这是一个tcp 的client 源程序,可以在单片机测试时使用.-This is a tcp source code of the client, you can use single-chip processor.

基于KeilC的I2C总线实际应用子程序，已作过多个项目-Based on the I2C bus KeilC practical application subroutines, has made a number of projects

异步串行通信接受单元的设计源程序 异步串行通信接受单元的设计源程序-Asynchronous serial communication module designed to accept source asynchronous serial communication module designed to accept source code

专供电子爱好者阅读，或者参加各类电子设计比赛用！-Specifically for reading electronic enthusiasts, or participate in various types of electronic design racing!

ds1302 时钟芯片的资料和c语言通讯程序，调试通过。-ds1302 chip clock information and communication program c language, debugging through.

MSP430FE42X复费率电表DEMO（编译器 IAR 3.42A)-MSP430FE42X multi-rate meter DEMO (compiler IAR 3.42A)

按键扫描驱动程序。51单片机。c语言编程。-button scanning driver. MCU 51. C programming language.