多功能电子秒表，用于单片机的学习，实现秒表的功能

如何为keil c51编写仿真机的驱动程序-how to prepare simulator decoder drivers

430学习书籍,好东西,希望大家下载-430 learning books, good things, I hope everyone downloads

ds18b20 温度传感器 硬件设计和软件编程 供大家学习只用 能力有限 大家共同探讨-DS18B20 temperature sensor hardware design and software programming for your learning only limited ability to explore all

多年工作有关PCB绘图的总结，适合初学者学习-Years of work-related summary graphics PCB, suitable for beginners to learn

spi 翻译资料 7.2 SPI总线 SD卡信道由指令和数据位（起始位和结束位）组成，SPI信道由字节定向。 每一个指令或数据块由8位的字节和CS标志构成。类似SD卡协议, SPI通讯由 指令、响应和数据组成。全部的主机与SD卡之间的通信由主机控制。主机执行 每一跟CS标志为低的总线-spi Translation 7.2 SPI bus data channel from the SD card command and data bit (start bit and end bit) component, SPI channel directed by byte. Every command or data block from 8-bit bytes and CS constitute signs. SD card similar to the agreement, SPI communications from command, response and data components. All of the host and the communications between the SD card by the host control. Each host implementation with CS low marks for bus

LCD显示的汉字点阵12232c51display-Chinese character dot matrix LCD display 12232c51display

蓝牙PCB天线设计技巧加实例分析.可以为您节省很多产品成本-Bluetooth antenna design skills plus PCB Case Analysis. Can save you a lot of product cost

串行flash 25vf020 驱动程序的定义-Serial flash 25vf020 definition driver

cpu采用扫描方式进行按键查询，按键扫描程序-cpu manner by scanning button inquiries button scanner

用51单片机内部定时器实现数字钟功能，可以显示小时，分，秒，误差很小。-51 single-chip microcomputer with internal timer digital clock function, can display hours, minutes and seconds, the error small.