Qt程序的编写和导入，另一篇是linux嵌入式系统的移植和linux核心文件的修改教程，很实用，建议直接上手用arm9开发板，边看边试着做-Try to do the preparation of the Qt application and import, the other one is the transplantation of linux embedded system and the Linux kernel file was modified tutorial, very usef

利用stem3读写sdcard的实际，附有电路的实物图和源码。开发者可直接把原码导入工程，根据所给的电路，或者用开发板就能实现。-The actual use of stem3 sdcard reader, with a circuit diagram and source code in kind. Developers can directly to the original code into the project, according to the given circuit, or

Eclipse下进行ARM开发的插件，直接从Eclipse中导入即可。-Eclipse plug-ins under development for ARM, you can directly import from Eclipse.

一般下载的keil中不带stm32芯片，新建工程的时候没有stm32选项，自动更新 太慢且没必要的东西太多。从官网更新找不到对应资源。找了很久的资源，从这里手动下载，直接运行自动导入，新建项目时，下拉框选择调用附加库即可(In general, downloaded keil does not have STM32 chip, new projects do not have the option of stm32, automatic updates are too slow and ther