51单片机矩阵键盘的设计与调试，建议使用52单片机。

复旦FM1702源码,完整资料,已经编译通过.复旦FM1702的资料几乎就是RC500英文的翻译版-Fudan FM1702 source, complete information has been compiled through. FUDAN information FM1702 almost RC500 English translation version

单片机A51开发的打印机出动程序-SCM A51 development printers deployed procedures

51系列单片机的串口测试源码，经过项目验证可以直接放心使用，用c写成-51 Series MCU serial testing source, after the project can be directly verified to worry about, written with c

w77e58单片机的双串口 的操作，寄存器的设置和 串口读写等-w77e58 SCM dual serial operation, the setup and register read and write, etc. Serial

本程序为数码管显示处理模块 占用I/O RC3,RC4,RC5 使用RAM 节 程序包括: InitSPI 初始化SPI子程序 LEDlight 送七段码显示子程序 入口参数 LED_DATA 出口参数 无-This procedure for the digital display processing module occupied I/O RC3, RC4, RC5 use RAM section include: InitSPI initialize SPI sent to Seven-Segment Subroutine LEDlight code display subroutine parameter exports LED_DATA entrance parameters without

16*2液晶显示驱动程序，包含字符输出和字符串输出函数，可直接使用-16* 2 LCD driver output and the string contains the character output function can be used directly

用单片机实现对温度的测量，并在数码管上显示出来，精度很高-Achieved with single-chip temperature measurement and control in the digital display, high accuracy

完整的实现RS232与TCP/IP网络协议的转换-Realize the full RS232 and TCP/IP network protocol conversion

温度检测：LAB200系统下，温度传感器仿真-Temperature detection: LAB200 system, temperature sensor simulation

是一些单片机的串口通信程序，用C语言编写。-Is the number of single-chip serial communication program, using C language.