：章介绍了数据采集系统中STC12系列单片机与PC机之间的串行通信。设计了sTc12c2052AD 与 MAX232的硬件电路，使用汇编语言编程，设置了串行...

液晶方面的一些资料文件 希望有所帮助关于51语言-LCD some hope that help information paper on the 51 language

简单的12864（控制器ST7920）液晶显示模块并行和总线方式控制c语言源程序-Simple 12864 (controller ST7920) liquid crystal display modules in parallel and bus control c language source code

51单片机驱动DSB20单总线温度传感器-51 Single-chip driver DSB20 single bus temperature sensor

本文从远传抄表的传输方式以及发达国家的家庭网络技术，较全面的介绍了国外远传抄表系统，对我国智能远传抄表系统新产品的研发有一定的参考价值。-This text is based on the transmission means of telemeterrecording and household network technologies of in developed countries，more overall introduction the system of telemeterrecording abroad，There must be certain reference value to the research and development of new products of intelligent telemeterrecording system.

AT89S51单片机　输出Pulse Width Modulation　Wave -AT89S51 MCU Output Pulse Width Modulation Wave

用AVR单片机实现BC7281的键盘控制，学会对7281与键盘的基本应用-AVR Microcontroller with BC7281 keyboard control, learn to keyboard 7281 and the basic application

schduler for AVR mcu

这是一个MSC51单片机程序它读出片外RAM中的数据从串行口发向机-This is a procedure MSC51 SCM read it out off-chip RAM data from the serial port to the machine

使用 AT89C2051 控制的数字温度测量仪表。-AT89C2051 to control the use of digital temperature gauges.

采用12位MAX 197对外部信号采样。采用全周波傅立叶积分算法，对采样信号进行处理，对电力系统的电压有效值、功率等特征量进行实时在线监测；采用全数字测量法测量相位差；并采用自适应技术调整采样间隔，消除非同步采样对计算造成的误差，利用PIC18F458捕获功能实时监测电力系统频率波动，修订采样间隔。分析了各量的测量误差，均达到标准。并提供友好的人机交互界面。-used 12 MAX 197 pairs external signal sampling. Using Fourier-Cycle Integration Algorithm for the sampling signal processing, power systems to the RMS voltage, power characteristics of the volume in real-time on-line monitoring; All digital measuring method phase difference; Adaptive technology and the sampling interval, the elimination of non-synchronous sampling of the calculation error using PIC18F458 capture real-time monitoring of power system frequency fluctuations amended sampling interval. The analysis of the measurement error are up to standard. And to provide a friendly man-machine interface.