240128c

无差拍PFC仿真代码，在PSIM下的电路仿真(Deadbeat PFC simulation code, circuit simulation in PSIM)

DHT11的C51驱动程序，4位数码管可以显示温度和湿度，带一触发按键(DHT11 C51 driver, four digital tube can display temperature and humidity, with a trigger button)

对ad7685的详细运用。加上12864显示。有电路图、芯片资料(Detailed use of ad7685 plus 12864 shows)

实现STM32单片机使用RDA5807M型号的芯片收音机，代码通过简单的移植，就可以使用。(Implement STM32 MCU chip radio RDA5807M model code by simply transplant, it can be used.)

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.)

数字温度计 DS18B20控制的数字温度计(Digital Thermometer DS18B20 digital thermometer control)

使用STM32F103C8T6处理器和OLED显示屏，传感器为IMU AHRS ，实现了串口通信读取数据，并可以使用桌面调试软件读取串口数据。(stm32f103c2t6,oled,imu ahrs)

AD7746 用51测试来获取最小电容~(use 51 measure AD7746)

Wireless Engineering and Technology vol.6, num.3, 2015, 37pages ISSN : 21522294

利尔达 MSP430F5438学习板全套资料(LSD the MSP430F5438 learning board full set of information)