SIGMA

30章C51入门教程，keil c51是keil公司设计的为单片机编程的编译软件-C51 Chapter 30 Getting Started Guide, keil c51 is keil designed compilers for single-chip programming software

485通信在工业控制及管理系统中应用非常广泛，但485总线的相关资料教材上说明的却非常泛泛，这些资料对485通讯做了详细介绍，并有应用案列，相信对朋友们很实用-485 Communication in industrial control and management system is widely used, but the 485 bus information materials on the description is very general, such information on the 485 made a detailed presentation and have applied the case of columns, I believe that friends are very practical for

用C编写的红外解码程序，可以解码HT6221,TC9012的编码，并在1602液晶上显示-Written using C IR decoding program, you can decode HT6221, TC9012 coding, and in 1602 LCD display

用AT89C51制作的99秒跑马表，适合初学者学习单片机-AT89C51 produced with 99 seconds Happy tables, suitable for beginners to learn single-chip

可以直接将图片转化为lcd 的源代码，很方便你的使用。-Can be directly translated into lcd picture of the source code, very easy to use you.

用89S52进行DS1820温度读取程序-89S52 used for DS1820 temperature reader

Atmel AT91SAM7S Interrupt example code

用一片ARM芯片，对电网中的谐波信号进行采集，然后通过GPRS发送给上位机，上位机对采集到的电网中的谐波信号进行分析。以确定电网中谐波的情况。-With an ARM chip, the harmonics of the grid signal acquisition, and then sent to the GPRS PC, PC to the power grid of the collection of harmonic signal analysis. To determine the grid in the case of harmonic.

简易数字电压表可以测量0-5V范围的8路电压值，并在4位LED数码管上轮流显示或单路选择显示。-Simple digital voltage meter can measure the range of 0-5V Voltage road 8, and 4 digital tube LED display on a rotational basis or choose to display a single road.

在汇编中按位运算很多，本人在C语言中，增加位处理函数。-In the compilation of digital computing by many, I am in the C language to increase the bit processing function.