虽然很多人都知道FFT是什么，可以用来做什么，怎么去做，但是却不知道FFT之后的结果是什意思、如何决定要使用多少点来做FFT。-Although a lot of people know what is the FFT can be used to what to do, how to do, but do not know the results after the FFT is a very mean, how to decide how many points do want to use FFT.

2300时钟芯片的读写函数。主要说明SD2300时钟的应用-2300 clock chip to read and write function. The main clock SD2300 Application Note

PAT 表的简单解析: 解析PAT表中 节目号 和相应PMT_PID -program association table

基于msp430的TCPIP协议栈包括源代码和文档说明-MSP430 Based on the TCPIP protocol stack including the source code and documentation

PIC单片机的电机驱动程序，电动车双闭环程序，采用双闭环方式控制电机，以得到最好的zh转速性能，并且可以限制电机的最大电流。-PIC microcontroller s motor drive, electric cars double-loop process control using two-way closed-loop motor speed zh to get the best performance and can limit the maximum motor current.

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STM32实现读卡器功能,适用于STM32E-EVAL开发板-STM32 card reader function to achieve for STM32E-EVAL development board

ST9720控制器的12864液晶程序，同时兼容12232，本程序使用串行接法。只需三个管脚。-ST9720 LCD controller 12864 program is compatible with 12232, this program uses a serial access method. Just three pins.

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.

状态1：PC机键盘发送0-9任一个数字，单片机接收发送的数字，并在数码管上显示。 状态2：单片机将接收到的数字回送到PC机，并在屏幕上显示。 -Status 1: PC Keyboard to send any number of 0-9, sending the number of single-chip receivers, and digital tube display. Status 2: Single-chip will receive the figures back to the PC, and displayed on the screen.