基于51单片机的PWM驱动直流电机按键调速是一种嵌入式系统设计，主要用于实现直流电机的速度控制。该设计通过按键实现电机的调速，使用PWM控制直流电机的转速。 有代码 仿真 有原理图 具体的实现过程如下： 1. 确定直流电机接口：将直流电机的正负极引出单片机的IO口和GND口，以便控制电机的正反转。 2. 设计PWM模块：通过单片机的定时器模块，设计PWM驱动直流电机，具体包括设置PWM输出端口、PWM输出频率、占空比等。 3. 编写按键处理程序：设置按键为外部中断，通过按下按键来调节直流电机的转速，实现速度的精确调节。 4. 进行速度控制：根据按键处理程序中按键的处理结果，自动通过PWM调节直流电机的转速，完成速度控制。 5.速度状态的显示，用数码管显示00 01 10 11 状态。 在实际设计中，需要考虑到电机的响应速度、按键的输出信号等问题，可以使用示波器进一步验证电机控制的有效性。同时需要注意电机转动时可能产生的电磁干扰问题，可以采取加装抗干扰电路等办法来解决。 基于51单片机的PWM驱动直流电机按键调速，可以广泛应用于电子设备、智能家居、机器人控制等领域。

发那科FANUC电路板图纸 全套驱动图纸 原理图 电源图，维修人员必备电路图。

FTDI芯片是一种USB转串口芯片，能够将USB接口转换为串行通信接口，常用于嵌入式系统、自动化设备、仪器仪表等领域中。FTDI芯片的驱动程序是使用该芯片进行数据传输和通信的必备程序，因此在使用FTDI芯片前，需要安装相应的驱动程序。 FTDI芯片驱动程序提供了多个操作系统版本的驱动程序，例如Windows、Linux和Mac OS等。用户可以选择不同的操作系统和芯片型号来下载对应的驱动程序。安装FTDI芯片驱动程序的方法也因操作系统而异，例如在Windows系统中，用户可以通过设备管理器来安装驱动程序。使用FTDI芯片时，用户需要将该芯片连接到计算机的USB端口，然后在设备管理器中找到FTDI芯片，右键点击该芯片，选择“更新驱动程序”，并选择下载的驱动程序所在的文件夹进行安装。 安装完成后，用户就可以通过串口工具等程序来进行串口通信了。FTDI芯片的驱动程序能够支持多种串口协议和数据传输速率，用户可以根据需要选择合适的配置进行使用。此外，FTDI芯片还支持自动化波特率检测和自动化流控制等特性，能够大大简化串口通信的配置和调试工作。

英特尔z8XXX系列平板电脑最新官方驱动大全

下载文件解压，在设备管理器中选择MultiUSB Key更新驱动，选择手动更新，选择文件夹跟新即可。

HASP圣天诺加密狗驱动(Sentinel_LDK_Run-time_setup)-v8.31新版本，兼容win11，兼容win11，兼容win11（之前的只兼容到win10） 加密狗不安装驱动无法正常识别，安装驱动后可正常加载加密狗。 此类型加密驱动都是可以用的，插入加密狗，加密狗无法正常工作或点亮的，安装最新版本即可解决。

创新声卡KX驱动一键安装专业版

Prentice.Essential Linux Device Drivers.2008 一个老外写的，写的非常详细 Chapter 1. Introduction Evolution The GNU Copyleft Kernel.org Mailing Lists and Forums Linux Distributions Looking at the Sources Building the Kernel Loadable Modules Before Starting Chapter 2. A Peek Inside the Kernel Booting Up Kernel Mode and User Mode Process Context and Interrupt Context Kernel Timers Concurrency in the Kernel Process Filesystem Allocating Memory Looking at the Sources Chapter 3. Kernel Facilities Kernel Threads Helper Interfaces Looking at the Sources Chapter 4. Laying the Groundwork Introducing Devices and Drivers Interrupt Handling The Linux Device Model Memory Barriers Power Management Looking at the Sources Chapter 5. Character Drivers Char Driver Basics Device Example: System CMOS Sensing Data Availability Talking to the Parallel Port RTC Subsystem Pseudo Char Drivers Misc Drivers Character Caveats Looking at the Sources Chapter 6. Serial Drivers Layered Architecture UART Drivers TTY Drivers Line Disciplines Looking at the Sources Chapter 7. Input Drivers Input Event Drivers Input Device Drivers Debugging Looking at the Sources Chapter 8. The Inter-Integrated Circuit Protocol What's I2C/SMBus? I2C Core Bus Transactions Device Example: EEPROM Device Example: Real Time Clock I2C-dev Hardware Monitoring Using LM-Sensors The Serial Peripheral Interface Bus The 1-Wire Bus Debugging Looking at the Sources Chapter 9. PCMCIA and Compact Flash What's PCMCIA/CF? Linux-PCMCIA Subsystem Host Controller Drivers PCMCIA Core Driver Services Client Drivers Tying the Pieces Together PCMCIA Storage Serial PCMCIA Debugging Looking at the Sources Chapter 10. Peripheral Component Interconnect The PCI Family Addressing and Identification Accessing PCI Regions Direct Memory Access Device Example: Ethernet-Modem Card Debugging Looking at the Sources Chapter 11. Universal Serial Bus USB Architecture Linux-USB Subsystem Driver Data Structures Enumeration Device Example: Telemetry Card Class Drivers Gadget Drivers Debugging Looking at the Sources Chapter 12. Video Drivers Display Architecture Linux-Video Subsystem Display Parameters The Frame Buffer API Frame Buffer Drivers Console Drivers Debugging Looking at the Sources Chapter 13. Audio Drivers Audio Architecture Linux-Sound Subsystem Device Example: MP3 Player Debugging Looking at the Sources Chapter 14. Block Drivers Storage Technologies Linux Block I/O Layer I/O Schedulers Block Driver Data Structures and Methods Device Example: Simple Storage Controller Advanced Topics Debugging Looking at the Sources Chapter 15. Network Interface Cards Driver Data Structures Talking with Protocol Layers Buffer Management and Concurrency Control Device Example: Ethernet NIC ISA Network Drivers Asynchronous Transfer Mode Network Throughput Looking at the Sources Chapter 16. Linux Without Wires Bluetooth Infrared WiFi Cellular Networking Current Trends Chapter 17. Memory Technology Devices What's Flash Memory? Linux-MTD Subsystem Map Drivers NOR Chip Drivers NAND Chip Drivers User Modules MTD-Utils Configuring MTD eXecute In Place The Firmware Hub Debugging Looking at the Sources Chapter 18. Embedding Linux Challenges Component Selection Tool Chains Embedded Bootloaders Memory Layout Kernel Porting Embedded Drivers The Root Filesystem Test Infrastructure Debugging Chapter 19. Drivers in User Space Process Scheduling and Response Times Accessing I/O Regions Accessing Memory Regions User Mode SCSI User Mode USB User Mode I2C UIO Looking at the Sources Chapter 20. More Devices and Drivers ECC Reporting Frequency Scaling Embedded Controllers ACPI ISA and MCA FireWire Intelligent Input/Output Amateur Radio Voice over IP High-Speed Interconnects Chapter 21. Debugging Device Drivers Kernel Debuggers Kernel Probes Kexec and Kdump Profiling Tracing Linux Test Project User Mode Linux Diagnostic Tools Kernel Hacking Config Options Test Equipment Chapter 22. Maintenance and Delivery Coding Style Change Markers Version Control Consistent Checksums Build Scripts Portable Code Chapter 23. Shutting Down Checklist What Next? Appendix A. Linux Assembly Debugging Appendix B. Linux and the BIOS Real Mode Calls Protected Mode Calls BIOS and Legacy Drivers Appendix C. Seq Files The Seq File Advantage Updating the NVRAM Driver Looking at the Sources

全面且详细的Linux设备驱动程序教材。Very comprehensive and detailed Linux device driver book.

概述: FT245 USB FIFO Board是基于FDTI公司的FT245RL[1]设计的模块，可以实现把单片机的并行数据总线D0～D7与外部主机的USB串行总线进行双向数据转换和传输，其数据传输速率最高可达1 MB/s。 功能简介:USB转FIFO 主要特点:VCCIO支持3种供电模式:5V对外供电；3.3V对外供电；由外部供电（要求3.3V-5V） 典型应用:MCU与PC机进行通信（MCU端在软件上使用8位数据接口，而硬件上却能接入PC的USB接口） 主要资源:FT245，USB type A接口，控制接口（包括8位数据线，6个控制线） 资料包括: 电路原理图 USB驱动 相关PDF资料 实物购买链接:https://www.waveshare.net/shop/FT245-USB-FIFO-Board-type-A.htm