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Totally my own stupidity, but I connected the solar output (5.6V) to the Lithium battery 2p connector. After a couple of days of indoor testing I couldn't connect via Bluetooth anymore and I found corrosion on the back of the dev board (see photo). I now have everything wired up correctly and the module is working normally (Meshtastic), except for the BT connection. It connects, but drops out usually within a minute. I reset all connections on my phone, but the problem persists. Did I damage the BT part of the board by applying over voltage to the board?
u/AnyBloodyThing — 1 month ago