lanxin

利用STM32F103来开发的一款旋转时钟，已经经过验证。(The use of STM32F103 to develop a rotating clock, has been verified)

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.)

this a keypad matrix applicable for ZDSII

实现车速显示，超速报警，路线保存等功能。(Achieve speed display, speed alarm, route saving functions.)

说明：  操作1.54中景园OLED显示屏，基于STM32的ARM处理器(Operate 1.54 Zhongjing Garden OLED Display Screen)

智能插座源码,可编译，正常运行，好东西，请不要用于商业用途(smart Box)

ADI公司的ADC芯片AD2S1210的配置及采集处理程序，已经过验证，在tms320上运行ok(ADC company s AD2S1210 chip ADI configuration and acquisition process, has been verified, running on the OK TMS320)

HC-SR501人体红外感应模块软硬件资料，基于ST平台的STM32F10x单片机，包含jpg格式的电路图，常见问题，模块说明，和程序源码(HC-SR501 human infrared sensor module software and hardware information, STM32F10x based on ST platform, including JPG format circuit diagram, common problems, module description, and program source code)

说明：  c8051f410控制LCD12864显示，程序中包含显示汉字，图像，浮点数等子函数。液晶不含字模，本人原创。(c8051f410 control LCD12864 show that the procedures contained in display of Chinese characters, images, and other floating-point Functions. Non-matrix LCD, I am original.)

C51 编的音乐程序，关于如何编制音乐代码, 其实十分简单，频率常数即音乐术语中的音调,而节拍常数即音乐术语中的多少拍(C51 music program)