Strange voltage reading on unpinned connection
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Hello, I've been troubleshooting a bms (different from the one i posted about last week). I had this working at one point, and then it stopped working (it sparked near the balance connector on the bms when i was plugging in the battery). Now its giving a 5v reading on the #12 pin of the bms connector. #12 doesn't have a corresponding balance wire, so I'm confused how this could happen. Does this mean that I blew a trace? The connector looks fine from what I can see. This reading is from only the balance connector connected, nothing else.
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Update: I'm pretty sure it's doomed. I'm not sure I can fix that. Let me know if you still think it's salvageable. Not really sure what would have caused it. This is what it looks like under the balance connector.
