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Old 07-22-2024, 05:15 PM   #4
Renate
Onyx-maniac
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Posts: 4,115
Karma: 18764971
Join Date: Feb 2012
Device: Nook NST, Glow2, 3, 4, '21, Kobo Aura2, Poke3, Poke5, Go6
Yes, a meter could give you indications.
Some consoles are only active in booting and not during Android.
Look for something that is at 1.8V normally and wiggles lower when booting.
You look for the TX out of the UART first, then see if you can find RX.
If there are 4 pins one of them is ground and one might be voltage supply, 1.8V or 3.3V
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