hd44780 driver used in MCU development

详细讲述10种经典的软件滤波算法，很通用。适合初学者。-A detailed account of the 10 kinds of classic software filtering algorithm, it is common. Suitable for beginners.

AVR俄罗斯方块程序:游戏区是18*15格，3*3点阵一格，右边有下一个图形显示和所消行数的显示

源码公开的MCS 51 单片机的宏汇编器 Macro Assembler of MCS MCS-51 micro controller Version 0.12 这是一个应届生写的习作 尽管这个软件A51 还未完全达到满意的效果不过与Keil 公司的A51 配合起来使用还是不错的 公开源码和文档的目的是希望能够给一些爱好者作为学习编译原理和C 程序设计的靶子同时也希望有更多的热心人参与修改源码直至更加完善 来自周立功公司-MCS 51 open-source SCM macro assembler Macro Assembler of MCS MCS-51 micro controller Version 0.12 This is a year of Health to write assignments A51 even though the software is still not yet fully satisfactory, however the effect of the A51 and Keil company with up or a good use of open source code and documentation which aims to compile a number of enthusiasts as a learning theory and C programming target but also hope that more and more enthusiastic to participate in modified source code until a more complete company from weeks Ligong

C51强大功能及其高效率的重要体现之一在于其丰富的可直接调用的库函数，多使用库函数使程序代码简单，结构清晰，易于调试和维护，下面介绍C51的库函数系统。-C51 powerful features and its high efficiency in one important manifestation of its rich can directly call the library, multi-use library functions to make the code simple, clear and easy to debug and maintenance, and C51 introduced below the library system.

一份51系列单片机的例程，里面包含了每个部分的代码，包括串口通讯，LCD，GPS数据接收处理，DA输出，EEPROM，USB读写等相关的代码。-A 51 series MCU routine, which includes every part of the code, including serial communications, LCD, GPS data receiving and processing, DA output, EEPROM, USB and other related reading and writing code.

Tea5767的3线控制程序，M8单片机，采用3线控制，内有电路原理图，可手动指定频率，也可以上下搜索-TEA5767 the 3-wire control procedures, M8 MCU, using 3-wire control with a circuit schematic can be manually specified frequency, can also be upper and lower search

18F448实现在CAN通信,已通过调试.-18F448 achieve the CAN communications, has passed the debugging.

51单片机对AT45D041卡（大容量IC卡）的读写程序 把.rar改成.c即可-51 micro AT45D041 card (large-capacity IC card) reading and writing procedure. Rar changed. C can

8051编译器 dos下 很小-8051 compiler under small dos

数字频率合成器DDS9851控制系统的单片机源代码，键盘输入频率，液晶显示，并实时输出所需频率，该系统可选择输出方波和正弦波。-Digital Frequency Synthesizer Singlechip DDS9851 control system source code, keyboard input frequency, liquid crystal display, and real-time output frequency required, the system can choose the output square wave and sine wave.