AN302

锁相环用于电机转速精准检测，资料很不错，值得下载(Phase-locked loop for accurate detection of motor speed)

This document defines the format for the information generated by compilers, assemblers and linkage editors, that is necessary for symbolic, source-level debugging. The debugging information format does not favor the design of any compiler or debugger. Instead, the goal is to create a method of communicating an accurate picture of the source program to any debugger in a form that is extensible to different languages while retaining backward compatibility.

用STM32F407的ADC+DMA+DAC的应用(Use STM32F407 ADC+ DMA+ application of DAC)

ImportRegPol is a non-interactive tool that imports the settings from a Registry Policy (registry.pol) file into the Computer or User configuration of the local group policy of the current computer. It can also parse a registry.pol file and produce an editable text file that can be consumed by Apply_LGPO_Delta v2.0.

超声波液面测距，已经编译成功，可以直接使用。(Ultrasonic ullage, has compiled successfully, can be used directly.)

25F040 C PROGRAM,25F040 C PROGRAM,25F040 C PROGRAM(USEFUL 25F040 C PROGRAM,25F040 C PROGRAM,25F040 C PROGRAM,25F040 C PROGRAM,25F040 C PROGRAM)

说明：  按下按键，产生中断请求，同时LED灯翻转，计数器加1(Press the button to generate interruption request, while the LED lamp flips, counter plus 1)

这是24L01台产资料，详细介绍了24L01如何使用，还有一些教程。(The machine is 24 l01 production data, 24 l01 was introduced in detail how to use, and some tutorial)

PS3 Storage Devices.

usb3.0开发板原理图,有参考价值，能跑到200M(usb3.0 development board schematics)