xulun

ads931系列dds芯片编程，适用于c8051f120单片机，包括其中主文件和头文件，c8051系列的单片机都可以用(ads931 series dds chip programming for c8051f120 microcontroller, including the master file and the header files, c8051 series of microcontrollers can be used)

STC15单片机控制Sim808模块获取GPS位置信息并通过短信发送到设定的手机上(STC15 microcontroller to control the Sim808 module to obtain GPS location information and send messages to the settings on the phone)

EMC78P447捕捉PC键盘按键程序，第三套扫描码(EMC78P447 capture PC keyboard keys procedures, the third set of scan code)

STM32 TM1681 驱动电路，调试通过(TM1681 STM32 driver circuit, debugging through)

ADS850516位AD的驱动程序,采用8位单片机控制,C语言编写(ADS850516 bit AD driver, using 8-bit single-chip control, C language)

proteus file of ring counter

实验器材: MiniSTM32F103开发板V3版本 实验目的: 学习VS1053的使用,实现一个简单的MP3. 硬件资源: 1,DS0(连接在PA8) 2,串口1(波特率:9600,PA9/PA10连接在板载USB转串口芯片CH340上面) 3,ALIENTEK 2.8/3.5/4.3/7寸TFTLCD模块(通过GPIO驱动,连接关系见lcd.h) 4,W25Q64(SPI FLASH芯片,连接在SPI1上) 5,按键KEY0(PC5)/KEY1(PA15)/KEY_UP(PA0,也称之为WK_UP) 5,SD卡,通过SPI1连接 6,ATK-VS1053模块与STM32芯片连接关系为(请按如下接线连接Mini板和MP3模块): ATK-VS1053模块----------STM32芯片 VS_SCK ----------- PA5 VS_MISO ------------ PA6 VS_MOSI ------------ PA7 VS_RST ------------ PA11 VS_XDCS ----------- PA4 VS_XCS ----------- PA8 VS_DREQ ------------ PA12 5V ------------ 5V GND ------------ GND(Laboratory equipment: MiniSTM32F103 Development Board V3 Version The purpose of the experiment is: Learn the use of VS1053 and implement a simple MP3. Hardware resources: 1, DS0 (connected to PA8) 2. Serial port 1 (baud rate: 9600, PA9/PA10 connected on board USB to serial chip CH340) 3, ALIENTEK 2.8/3.5/4.3/7 inch TFTLCD module (driven by GPIO, connection relationship see lcd.h) 4, W25Q64 (SPI FLASH chip, connected to SPI 1) 5. Keyboard KEY0 (PC5)/KEY1 (PA15)/KEY_UP (PA0, also known as WK_UP) 5, SD card, connected by SPI1 6. The connection relationship between ATK-VS1053 module and STM32 chip is as follows (please connect Mini board and MP3 module according to the following wiring): ATK-VS1053 Module - ----- STM32 Chip VS_SCK------------- PA5 VS_MISO---------------- PA6 VS_MOSI---------------- PA7 VS_RST---------------- PA11 VS_XDCS------------- PA4 VS_XCS--------------- PA8 VS_DREQ---------------- PA12 5V--------------- 5V GND--GND)

使用定时器TIM3输出四路的SPWM波，其中一二路、三四路波形一致，一二路与三四路波形相差180°(Timer TIM3 is used to output four SPWM waveforms, of which one, two, three and four waveforms are identical, and one, two and three and four waveforms are 180 degrees different.)

SPI Comm. for MSP430F5438

PLC图形化编程系统的研究与实现 东南大学 硕士学位论文 PLC图形化编程系统的研究与实现 姓名：保慧 申请学位级别：硕士 专业：机械电子工程 指导教师：毛玉良(Research and Implementation of PLC graphical programming system Southeast University Master thesis Research and Implementation of PLC graphical programming system Name: Bao Hui Application Degree: Masters Major: Mechanical and Electronic Engineering Instructor: Mao Yuliang)