How To Check F3 & F4 Processor Pin Outs

If a device isn't working, here is my method of diagnosing why it isn't. The flight controllers firmware could have the wrong pin out in the firmware, or it could have been changed on purpose because there is a flaw in the board. But it could also be a bad power pin, ground pin, or just a bad device.

Repairs playlist - https://www.youtube.com/playlist?list=PLiYYhnH4BhI_7WQQLFOqccpD7DNea6hIc
Betaflight playlist - https://www.youtube.com/playlist?list=PLiYYhnH4BhI_ZtP7FIVS1aOVOWXPdkQRJ

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Видео How To Check F3 & F4 Processor Pin Outs канала Project Blue Falcon