基于51单片机的多功能数字钟。时间，年月日，多组闹钟，议程。且外接24C04的EEPROM后可保存设置。蜂鸣器由I/O口接三极管放大后驱动。...

profibus 的官方文件，朋友给的，朋友可是花钱买来的。-PROFIBUS_DP SPECIFICATION

我编写的基于spce061a的语音播报电子钟,利用sunplus开发板，可以设置时间和定闹 陈谭 2004 -I prepared based on the voice broadcast spce061a electronic bell, using sunplus development boards can set time and set downtown Chen Tan 2004

基于单片机的推挽型逆变器控制系统设计及其程序设计 SA838初始化及控制子程序 ADC0809的控制及数据处理子程序 数据处理及电压显示子程序-MCU-based push-pull type inverter control system design and programming SA838 Subroutine to initialize and control the ADC0809 data processing control and data-processing subroutine and voltage display subroutine

DDS数字信号发生器,采用AD9835DDS 专用芯片 输出范围1K--10MHZ 采用X25045作看门狗及数据存储器，用于设置各项参数的存储 内含电路图， 源程序 及一些相关资料-DDS digital signal generator, using AD9835DDS ASIC output range 1K-- Knoxville watchdog for the use of X25045 and data memory, used to set various parameters of storage containing circuit, the source and related information

这是一个pid 程序，完成PID的计算和控制过程-This is a process pid to complete the calculation and control process PID

温度的多机通讯，18b20的高级应用。实现了读写两个传感器-Temperature multi-machine communication, 18b20 advanced applications. Two sensors to achieve the reading and writing

自己现在用的51系列单片机下载线，用74HC244芯片 -himself with the 51 series microcontroller downloaded line with 74HC244 chips

51单片机的端口应用，绝对能用的，直接是开发板的程序，来下吧-51 port MCU applications, the absolute can be used, direct the development of board process to the next bar

在51单片机上实现TCPIP协议栈，对想学习TCPIP的朋友有一定帮助。-51 SCM in achieving TCPIP protocol stack, and a friend want to learn TCPIP has certainly helped.

凌阳61板锯齿波发生程序，可以在产生示波器上产生锯齿波-Sunplus 61 sawtooth board programmed, you can have a sawtooth generated Oscilloscopes