大学生电子设计竞赛题目，有参加的同学可以借鉴一下

此程序为本人在公司开发的继电器功能测试仪，用KEIL C编写。可以测试线圈电阻，接触电阻，吸合释放电压，时间等参数。采用WINBONG W77E58 单片机。-This procedure I developed Relay Functional Tester, using KEIL C preparation. To test the coil resistance, contact resistance, pull-release voltage and time parameters. Singlechip WINBONG W77E58 used.

矩阵键盘检测,用于熟悉了解单片机,初次上手的人用-Matrix keyboard detection, for familiarity with the microcontroller, the initial-to-use with

实时时钟芯片DS1302采用串行接口，只需3根引脚便可以完成操作，其使用非常方便。这里采用AT89S52单片机作为外部微处理器，来对DS1302进行控制-Real-time clock chip DS1302 serial interface, only three pins will be able to complete the operation, its use very convenient. AT89S52 microcontroller used here as an external microprocessor to control of the DS1302

２４Ｃ０２ＥＥＰＲＯＭ存储，掉电存储可反复擦写-24C02EEPROM storage, storage can be repeated write-down

AVR单片机开发的AT24C02的I2C实验-AT24C02 single-chip AVR development of I2C experiment

用于把上位机的数据，文字编码发送到下位机，用于实事或以不现实-Used to host computer data, text encoding to send to the next-bit machine for practical or impractical

此为一个详细的程序源代码 由单片机PIC16F873检测电平，并送至1802显示，包含各种操作功能-This is a detailed source code from the single-chip PIC16F873 detection level, and to the 1802 show, including a variety of operating functions

毕业 交通灯 有电路图和程序 都是正确得-Graduation traffic lights are too schematic and procedures are correct

周立功CanstartI的源程序包，包含头文件，子程序库，比较完整，好用-the source packet contains header files, subroutine library, more comprehensive and easier to use

AT89C51单片机的有关串行通信的源程序，并有仿真-AT89C51 microcontroller serial communication related to source, and there are simulation