Modified on the basis of https://oshwhub.com/lkaill/wu-xian-jian-pan-chong-dian-wen-, and changed it to a standard layout. I forgot to open the holes for the pcb satellite axis and can only use steel plate satellites . The shaft (of course it can be used without it), D+D- are not equal in length, so it is no problem to use, and serious children's shoes can be modified by themselves.
QMK firmware flashing tutorial reference https://post.smzdm.com/p/aekz8pdm/
The firmware I used is in the attachment
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