1720的经典程序，实现了1720的几乎所有功能，程序编写标准

MAX7219 LED显示驱动程序，本程序由C51系列单片机使用！keil环境开发！-MAX7219 LED display driver, the procedures by the use of C51 microcontroller series! Keil development environment!

电动自行车控制程序,包括功率显示,刹车,自动巡航等功能,已经调试,现在我正在使用-Electric bicycle control procedures, including the power display, brake, auto cruise and other functions, have been debug, and now I am using

供大家了解ds18b20只用，中文资料 大家不用翻译了 给大家节省时间了-DS18B20 for us to know the only Chinese we do not have translated the information to save you time

单片机语言C51实战集锦，常用基本程序可用于编程参考-Collection of single-chip real C51 language, the basic procedures used can be used for programming reference

74ls165控制扫描键盘，串行输出键值的c51键盘程序，并在led上显示-74ls165 control scanning keyboard, serial output of the decoder keyboard keys procedures, and led the show

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

数字指南针的设计文档，全部详尽资料，拿到就可以开发-Digital compass design documents, all detailed information can be developed to get

用C编写的TLC549的驱动源码和应用示例-C TLC 549 prepared by the driving source and application examples

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

ds1302+proteus 仿真通过 -ds1302+ proteus simulation through