In this project, kicad was used to draw the package of several lead pins and the pin socket was selected. When welding, the pin header can be soldered. The usb-c port chose a 6-pin socket, which has no OTG function. Modify it by yourself if necessary.
The second version has been updated, update log: 1. Change 6pinUSB-C to 16pinUSB-C 2. Add series 10k resistor to boot0,1 3. Change the 2.2uf capacitor of vcap and the 106 capacitor of ams1117 to 0805 4. Delete vbat 5. Auto Add compatibility pin to lock switch 6. Add power indicator light and PA8 pin LED 7. Fixed the bug where PA9 and small crystal oscillator wiring overlap 8. Add JLC guest editor position Note: The second version is in the attachment, Lichuang The eda project is not updated synchronously (don’t ask why, it’s just lazy 23333)
At least. . He can shine 23333
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