neiranji

个人在keil下编写的基于89C52的LJD-5100开发板的键盘扫描程序，根据CH451感应外部中断，并根据CH451键盘矩阵代码，计算键值(Individuals in keil prepared 89C52-based LJD-5100 development board of the keyboard scanning process, according to sensitive external interrupt CH451, CH451 keyboard matrix, in accordance with the code to calculate key)

说明：  实现小波算法，FFT以及滤波器,以及许多数学计算常用函数(this file complete wave,fft,filter and math function)

基于EDA设计软件Pads PowerPCB 制作的贴片机坐标文件自动生成器。使用时，只需将PCB图纸原点定义为AKPL1即可。该脚本自动将设计图纸中的元器件型号及坐标做成表格放入Excel中。(Based on EDA design software produced by Mounter Pads PowerPCB coordinates automatic generation of devices. Use, simply PCB drawing origin can be defined as AKPL1. The script will automatically design drawings of the component models and the coordinates of the form made into Excel.)

分布式定位基于无线传感器网络的目标源定位技术(Distributed localization)

stc89c52rc单片机的单个按键识别代码(stc89c52rc single key identification code)

单片机课程设计 电子压力器的工作原理 电子压力器由压力传感器，A/D转换器，数码显示等组成。 (MCU Design pressure of the working principle electronic pressure is controlled by electronic pressure sensor, A/D converter, digital display and other components.)

说明：  CCS所有功能例程,实现AD采样、pwm产生等功能(CCS all functional routines, realize AD sampling, PWM generation and other functions)

说明：  Quectel移远手册，EC20 R2.1 AT指令和 GobiNet/WCDMA驱动(Quectel move away manual, EC20 R2.1 at instruction and gobinet / WCDMA driver)

Graphics Program using c & c++ Programming

This file will guide to draw schematic orcad 16.2. It help for beginners