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Powering up^2 via 40 pin connector: supply just 5v OR (5v AND 3.3v)?
Eric
New Member Posts: 16 ✭
There are a few threads here regarding powering various up devices via the 40-pin connector.
if we power the device via the 40pin connector do we need to supply both 3.3 and 5v? or just 5v?
Comments
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Hi @Eric ,
I am not sure if I understand your question but I think the power depends on your device specifications.
Cheers!
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Hi @Eric ,
Maybe that discussion could help you:
https://forum.up-community.org/discussion/2706/powering-up-board-through-40-pin#latest -
No, you don't need to supply 3.3V; just put 5V on pins 2 and 4 and the on-board regulators will derive the needed 3.3V from there.
