AD19 ---- Free small share STM32F103C8T6 STM32 development board system board (Schematic -PCB)

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This link: https://blog.csdn.net/caigen0001/article/details/102522212

Physical map:

 

 

 

Schematic:

 

 

PCB：

Top Layer:

Bottom Layer:

 

All Layers:

 

3D:

 

:( source file address for reference only, no shop copper, not physical test)

https://download.csdn.net/download/caigen0001/11856260