verify pass;
pcb online view: https://oshwhub.com/gamefunc/my_room_ctl
maybe this link direct view pcb:https://lceda.cn/editor#id=0369de858dd34eb0b5a4b0774dd0e324
or use jlc_eda_standard import: PCB_room_MAIN_2022_06_10_0_2022-09-03.json PCB_room_SUB_2022_06_10_0_2022-09-03.json
