Stm32 Minimum system production (schematics, PCB diagrams, welding, etc.)

Always wanted to make a minimum system, this time finally put the idea into reality. Schematic diagram is as follows:


The PCB diagram is as follows:
After a few days, the board finally mailed to, is the following bear-like.
Welding the voltage regulator circuit, found that the voltage regulator circuit schematic part of the wrong, no grounding, and then fly the root line, the regulator circuit is stable and easy to use.

Welding Stm32 chip, where VCC and gnd pin hanging tin, the result burned a voltage regulator chip, finally modified, finally basically easy to use. The welded board is as follows, no fault has been made.
Finally finished, and finished the opinion before graduation to do things.




From for notes (Wiz)

Stm32 Minimum system production (schematics, PCB diagrams, welding, etc.)