Because there is only a pcb, there is no schematic. Just click on the schematic diagram after opening it. Initially, this pendant only had one side, but later iterations showed patterns on the front and back. I see that other people have made pendants without via holes. I also made a via hole at the top to make it easier for you to hang it up. And a large number of finished products and semi-finished products, as well as stacking tables and drilling tables are attached to the schematic diagram, which can be compared in detail if necessary.
It's not very good, I hope you guys can correct me.
Interested makers can contact me at any time.
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