Subj : Re: Power Supply for the
To   : Spectre
From : ACMEBBS
Date : Tue Jun 07 2022 01:13:00

-=> On Tue Jun 7 01:39:00 2022, Spectre wrote to ACMEBBS <=-

 >  AC> Thought so. Have had issues in the past of trying to power some of these
 >  AC> ARM boards from a PC USB port or a power brick "supposedly" able to handle
 >  AC> the requirements.
 > 
 > I got hold of a "standard" 5v 5A supply and wired a USB-A socket onto it to
 > power my piZero and assorted stuff hanging off it.  2x Cameras and a
 > thermometer, on a USB hub.  I found the nominal 2.1A wall warts would
 > struggle... it also struggled supplying enough 5v straight the on board USB
 > ports too.. so wired the hub directly into the power supply as well..
 > 
 > Not sure about USB3 ports but 1s and 2s only supply the regular 500mA per
 > port.

Exactly what I've found in the past. At least going with the POE HAT on the 3B+...never had the issue. Never had the power issue on the 400 kit either.

.... He who laughs last, thinks slowest
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