整有效。中间四个字节分别代表设备的地址、指令类型、指令参数1(OPT1)和指令参数2(OPT2)。设备在对这四个字节的内容进行译码后执行相应的操作...

c51 是经典的单片机，简单，精通51单片机，在学习其他的单片机 很易上手-C51 is a classic single-chip, simple, fluent in 51 single-chip, single-chip microcomputer in the learning of other very易上手

使用IA4421无线射频芯片传输数据，发送端通过串口每次发送多字节，接收端将接收到的数据显示在上位机上。-IA4421 chip using radio-frequency transmission of data through the serial port for each sender to send multi-byte, the receiver will receive the data displayed in the upper machine.

ardware sensors monitor 4.4.2.2 (June 2008) (Shareware, trial period is two weeks) The most universal hardware monitoring program for Windows 9X/ME/NT/2000/XP/2003/VISTA x86/x64 editions This program monitors and displays certain parameters (temperatures, voltages, fans RPM) taken from h/w sensor chips, installed on smart motherboards and/or graphics cards. Customizable alarms can be displayed. Professional license includes thermo control features (so-called "Software cooling"), nVidia/ATi graphics cards and HDD S.M.A.R.T. monitoring.

单片机的USB、232输出口的电路图-USB MCU, 232 outputs of the circuit

C8051f020从ISD4004分段地址0000H 开始放音，再连续放音120秒后停止放音-C8051F020 from sub-ISD4004 Address 0000H to start playback, then playback for 120 seconds after the playback

利用点阵显示显示中文字符，为PIC单片机控制--Display Chinese characters using lattice. It is controled by PIC SCM.

本人设计的用802051实现的键盘程序的识别代码。系统采用定时查询，防抖。如果监测到你一个代码，系统将键盘码输出。然后给我你个中断，用于提示中心机，读取键码。支持长按。-I designed keyboard with 802,051 procedures to achieve the identification code. System uses a regular query, Anti-Shake. If the monitoring to you a code, the system will output the keyboard code. And then give me interrupt you for the prompt Center machine, read the key code. Support the long press.

本方案适用于研究生、本科、大专、职业技术学院的嵌入式系统（单片机/ARM7） 应用、信息通信、应用电子、机电一体化、微机应用、数控技术、自动化控制、计 算机原理与应用、仪表及控制、汽车工程等与“电子/微机/总线”有紧密联系的相关 专业。-The program applies to postgraduate, undergraduate and post-secondary schools, vocational and technical colleges Embedded System (SCM/ARM7) applications, information communications, electronic, electromechanical integration, application of computer, NC technology, automatic control, computer science and application, Instrumentation and Control , automotive engineering, and "electronic/computer/bus" is closely linked to the relevant professional.

非常好用的单片机 非常好用的单片机 -Very useful very easy to use single-chip microcontroller is very easy to use microcontroller

是一个关于速度开环控制的空间矢量交流调速程序-a c programe for an open loop AC motor speed control. Method: space vector pulse width module