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It is not directly connected. There’s a schottky diode between the USB 5V pin and the 5V pin.

user2497
– user2497

2019-06-08 21:41:50 +00:00
Commented Jun 8, 2019 at 21:41
This answer is not completely accurate. At best, it's no longer accurate. I can confirm that the 5V on my V3 board is NOT connected to the supply. When I meter it, I get 1.3V.

KDM
– KDM

2019-12-29 15:45:44 +00:00
Commented Dec 29, 2019 at 15:45
The edit made this answer gibberish. That is, either the first paragraph is correct, or the rest is, but they are directly contradicting one another, so they can't both be true.

Jasper
– Jasper

2020-10-26 16:13:47 +00:00
Commented Oct 26, 2020 at 16:13

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