very blurry fused VIS+IR image showing a corner of the board getting 50 degC hot
https://files.mastodon.social/media_attachments/files/114/664/796/827/657/158/original/9b8828f0c91e149d.png
as expected, we have trouble! it draws like 1.5 watts while the supply is sagging down to 3.6 V. those 1.5 watts are going somewhere, and it sure as heck isn't the STM32 or the ublox M8! time for some thermal imaging
the fusion is pretty bad at this distance, but it's probably this capacitor has broken down
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