Top left and right: Two STM32F401RCT6 development front views (some details have been enhanced). 
3. Replaced some power capacitors, improving power stability. 
However, there may be potential problems and challenges. Therefore, I warmly welcome and look forward to valuable suggestions and advice from open-source community members. If you have any thoughts or questions about this project, please feel free to contact me. Thank you for your attention and support! Let's work together to promote the development and innovation of open-source hardware!
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