xitong

本项目是基于Cortex-M3 的地沟油快速检测装置，旨在实现“地沟油”快速，现场检测。MCU控制可编程的直接数字频率合成器（DDS）产生正弦激励信号，经过可变增益放大器（VGA）和低通滤波器（LPF）作用于食用油阻抗传感器（实验室制作）信号经过仪器放大器送入微控制器（MCU）的模数转化（ADC）通道，MCU对采集的信号通过快速傅里叶变换（DFT）处理，实现食用油阻抗与相角的检测；USB和以太网接口，可与计算机通讯，以便对采集的数据进行存储和分析。(The project is based on the Cortex-M3 waste oil rapid detection device designed to achieve " waste oil" rapid, on-site testing. MCU control programmable direct digital frequency synthesizer (DDS) generates sinusoidal excitation signal through a variable gain amplifier (VGA) and a low-pass filter (LPF) acting on the oil-impedance sensor (lab produced) to send signals through the instrumentation amplifier into the microcontroller (MCU) modulo conversion (ADC) channels, MCU signal acquisition via Fast Fourier Transform (DFT) processing, oil resistance and phase angle detection USB and Ethernet interfaces, and computer communication, in order to collect data for storage and analysis.)

AVR 单片机嵌入式开发源程序，对新手入门有很有帮助。(AVR embedded development program, Getting Started with helpful.)

ist3931 spi driver for ist3931 ic(ist3931 spi driver for ist3931)

说明：  串口发送数据，有需要的可以看看，或许会有帮助(Serial port to send data, there is a need to look at, may be helpful)

说明：  这是一部分自己整理的c语言课件第一部分。(This is a part of finishing their own C language courseware first part.)

用关联概率对认知无线电异构网络中的用户卸载技术进行定量分析(Was analyzed by the associated probability of heterogeneous networks Cognitive radio technology users to uninstall)

这是一个RC522的驱动程序，单片机采用STM32内部含有模块的原理图(This is a RC522 driver, microcontroller using STM32 internal module containing schematics)

LCD12864驱动程序(LCD12864 driver)

本毕业设计项目根据毕业设计任务书指定和我校高职高专特点的要求，体现毕业生的实践动手能力、创新思维、解决问题的能力和对所学知识的综合运用能力，为学校教学楼设计制作一套遥控电子钟系统，整个系统中的大型数码管、控制电路、遥控发射和接收电路、印刷电路板、编程器以及外壳等自己设计制作(The Graduation Project Graduation design tasks according to the book and I have specified characteristics of the requirements of higher vocational schools, reflecting the graduates practical ability, creative thinking, problem-solving skills and learned knowledge of the integrated use of capabilities, and design of school buildings the production of a remote controlled electronic clock system, the entire system in the large-scale digital control, the control circuit, remote control transmitter and receiver circuits, printed circuit boards, programmers, and production of their own design shell, etc.)

KS0108驱动12864字符型液晶程序(KS0108 LCD driver 12864 Character program)