基于单片机的数字频率计设计，定时器T0完成定时功能，T1采用计数功能...

实现数码管的循环计数，数码管接法为共阴级接法。-To achieve the cycle count of the digital control, digital control connection for a total of Yin-class connection.

实时时钟芯片DS1302的C51程序-real-time clock chip DS1302 the procedures C51

ds1302 实时时钟源程序 c语言 W78E365单片机

用于手持时钟受时，时钟芯片的工作稳定性，以D18B20温度传感器的采集，微调时钟芯片的内置电容，改变震荡频率-For hand-held by the clock, the clock chip of job stability to temperature sensor D18B20 collection, fine-tuning of the built-in clock chip capacitors to change the vibration frequency

51开发板调试程序，包括LED驱动接口，串口，AD/DA,EEPROM，蜂鸣器，键盘以及16*2LCD驱动模块，并提供单字节和字符串显示接口-51 development board debugger, including the LED drive interface, serial, AD/DA, EEPROM, buzzer, keypad and 16* 2LCD driven module, and provides single-byte and string display interface

基本的称重功能，和发挥部分的显示购物清单的功能，可以设置日期和重新设定 10 种商品的单价，具有超重报警功能，由于系统资源丰富，还可以方便的扩展其应用 -Basic weighing functions, and play to display a list of some of the features, you can set the date and re-setting unit 10 kinds of commodities, with overweight alarm function, the system is rich in resources, but also facilitate the expansion of its application

单片机4×8矩阵键盘的源程序，可以直接使用，并可以选择松手返回和不松手返回-Single-chip 4 × 8 matrix keyboard source code can be used directly, and can choose to let go to return and the return of不松手

入式2410开发板-income-2410 development board

用51单片机内部定时器实现数字钟功能，可以显示小时，分，秒，误差很小。-51 single-chip microcomputer with internal timer digital clock function, can display hours, minutes and seconds, the error small.

一个利用51单片机实现对的简易功能的控制cd-rom的程序-A use of 51 single-chip microcomputer to realize the simple function of the control procedures for cd-rom