stm32系列是基于arm® cortex®-m0、m0+、m3、m4、m33、m7及a7内核并具备丰富外设选择的32位微控制器及微处理器。 stm32 mcu及mpu覆盖主流型、高性能，超低功耗，无线系列等，超20大产品线，提供人工智能ai，图形应用界面gui，电机控制，信息安全与功能安全解决方案，stm32不止于芯。

github is where over 100 million developers shape the future of software, together. contribute to the open source community, manage your git repositories, review code like a pro, track bugs and features, power your ci/cd and devops workflows, and secure code before you commit it.

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stack overflow is the largest, most trusted online community for developers to learn, share​ ​their programming ​knowledge, and build their careers.

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for more than a century, ibm has been a global technology innovator, leading advances in ai, automation and hybrid cloud solutions that help businesses grow.

a computer science portal for geeks. it contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview questions.