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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.)
- 2020-07-01 17:20:01下载
- 积分：1
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M16-NRF2401
nrf2401M16无线模块开发案例，很实用哦(nrf2401 wireless module development case)
- 2011-09-21 23:42:33下载
- 积分：1
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SHIYANJIU
基于51的C语言频率计，内涵仿真图，以实现空能(Based on 51 C-language frequency meter, meaning simulation diagram, in order to achieve air can)
- 2013-07-17 14:12:29下载
- 积分：1
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SPWM
可以产生幅度、频率可调的方波，频率50hz到1M(Can produce the amplitude, frequency adjustable Fang Bo, frequency of 50Hz to 1M)
- 2013-08-21 17:06:30下载
- 积分：1
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ds1302
ds1302液晶时钟液晶时钟及温度检测程序(the ds1302 LCD Clock LCD Clock and temperature testing procedures)
- 2012-05-06 13:21:39下载
- 积分：1
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Heart-rate
ECG for msp430心电数据采样及LCD显示，官方样板程序。(ECG for msp430
)
- 2015-01-30 14:51:50下载
- 积分：1
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lax-wendroff
lax-wendroff求前台阶超声速流动(lax-wendroff format)
- 2021-04-09 16:18:59下载
- 积分：1
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步进电机
通过单片机输入程序来对步进电机进行控制，以此实现一定功能。(Stepping motor single chip microcomputer)
- 2017-11-21 17:22:36下载
- 积分：1
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EEPROM
本系统是基于mega16的EEPROM的读写，程序可靠！(The system is based on the mega16 the EEPROM read and write, program and reliable!)
- 2011-07-08 18:14:03下载
- 积分：1
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car
c51的单片机智能小车 具有红外循迹 超声波避障 以及hc06手机蓝牙遥控的功能(auto car)
- 2015-05-02 17:50:08下载
- 积分：1
