一个75HZ铃流实时检测程序，灵敏度很高，可以用于电话来电铃流检测。...

* 功能：运行RTC进行计时，将所时间值不断的通过串口向上位机发送，并把秒的值输出数码管D1 * 上显示。上位机运行EasyARM软件，在串口发送/接收窗口观察。 * 说明：* 通讯波特率115200，8位数据位，1位停止位，无奇偶校验。-* Function: RTC to run for a time, the time value will be constant upward through the serial-bit machine to send, and seconds values D1* output digital tube display. PC running EasyARM software serial port to send/receive window of observation.* Description:* 115200,8 bit baud rate of communication data bits, 1 stop bit, no parity.

Proteus的使用教程，该教程介绍了如何用proteus进行电路模拟仿真，包含了元件的加载、原理图的制作及在keil中如何联调。该教程综合了网上的比较详细的使用说明，出现的各种版本（包括英文文档）。最后还有一些proteus仿真例子及源码供大家学习用。-Proteus use of tutorials, the tutorial describes how to use proteus for circuit simulation, contains the components of the load, schematic diagram of the production and how the FBI in keil. The synthesis of an online tutorial more detailed instructions, there" s various versions (including English documents). Finally, there are proteus simulation examples and source code available for everyone to learn from.

C51 用PCA 模拟串口，很有参考价值得源码-C51 with PCA serial analog, a valuable source

此为按键部分的,读取按键值是否有按键判断部分函数-this as part of the button, reading keys value judgment whether some function keys

P串行实时时钟芯片DSl302程序设计中的问题与对策-P serial real-time clock chip DSl302 program design problems and countermeasures

飞思卡尔HC08/HCS08系列单片机LCD驱动源码，希望对大家有用。-Freescale HC08/HCS08 series of single-chip LCD driver source code, in the hope that useful to everyone.

Button 一个国外大学生毕业设计,用的是AVR单片机-Button a foreign university graduates design, the AVR

这是本人在毕业课程设计制造的51单片机的仿真器,其中有电路图和上下位机的程序.PCB板走线图-this is my graduate courses in the design and manufacture of 51 MCU simulator, which is next circuit and crew procedures. PCB alignment map

使用PROTEUS仿真的RS232串行通信口,可在串口助手输入,激活7段数码管显示相应的数字-PROTEUS simulation using RS232 serial communication port, serial port assistant in the input, activation of 7 digital tube display the corresponding figure

定时器0溢出中断实验，基于AVR 单片机的实验程序-Timer 0 overflow interrupt the experiment, based on the AVR MCU Experimental procedures