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基于51的抢答器，谢谢大家！希望大家支持，对大家有用-Answer based on the 51, and I would like to thank everyone! I hope you will support, useful for everyone

使用LED显示接收到的数据，使用LCD显示发送的字符 * 程序使用波特率为9600，程序运行时需要在pc机上使用一个串口 * 接收发送程序，发送字符应为asc码，接收的字符为十六进制-The use of LED display received data sent using the LCD display uses characters* for 9600 baud rate, the program needs to run-time machine pc using a serial port* send procedure to receive, send characters should asc yards receiving for the characters Hexadecimal

4X4矩阵键盘+LCD1602显示,可以开发好多功能-4X4 matrix keyboard+ LCD1602, it can be a good multi-purpose development

转速表：硬件简单，您可以用89c2051代替89c51，p1口做数据输出；p3口做位驱动，int0为转速信号输入-speed : hardware simple and you can replace 89c51 89c2051, p1 I do data output; P3- I do drive, int0 to speed signal input

18b20测浴室水温，通过报警来调节水温。-18b20 measuring water temperature, bath

LT_1B msp430开发板例子程序－UART05_096-LT_1B msp430开发板例子程序－UART05_09600

通过环路串口判断串行通信电平转换芯片功能是否正常，并通过读写DRAM 判断硬件。-Through the loop to determine serial communication serial port level translator chip features and whether it is normal, and through reading and writing DRAM hardware judge.

利用ADC12内部温度传感器测量室温，并将测量结果显示在数码管上-use ADC12 internal temperature sensor measuring room temperature, the measurement results are displayed on the digital pipe

此包包括以HD4478位控制器的LCD说明，另外有一89c51为例，采用直连方式编写的lcd驱动程序，效果为将要显示字符以左滚动方式双行显示，难度不大，但体现部分原理，水平不高，共同进步！-HD4478 to the LCD controller note, another example of a 89c51, with Direct Connect approach to the preparation of the LCD driver and the results will be revealed for the characters to the left of double rolling basis, not more difficult, but embodies some principles, the level is not high, and common progress!

对数字语音系统的开发有帮助 包含常用资料，开发程序，及调试报告等-right digital voice system development are used to help contain information on the development of procedures and debugging report