The first time I drew a PCB, I followed the 51 microcontroller development board drawn by the Lichuang EDA teacher, which was the first training question of the Lanqiao Cup training. Thanks to Lichuang EDA teacher for his support. When encountering problems, the teacher personally called to provide after-sales service.
Original project address: https://oshwhub.com/course-examples/kao-ti-51-dan-pian-ji-kai-fa-ban, original project address
Video training address: https://www.bilibili.com/video/BV1LP4y1E7Hd?p=4
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