The stm32 minimum system board integrates the OLED module and the esp8266 module. It is my first time to draw the board. There may be some other unknown errors. I hope someone can point out that it is half hand-made and half automatic wiring.
Demo video: https://www.bilibili.com/video/BV1JB4y1p7ub/?vd_source=7bebd82d663dda63800f5bba2c16b7c8
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