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Re: [gpsd-dev] GR-701W hangs on Pi-3


From: Eric S. Raymond
Subject: Re: [gpsd-dev] GR-701W hangs on Pi-3
Date: Fri, 3 Jun 2016 01:33:24 -0400
User-agent: Mutt/1.5.23 (2014-03-12)

Frank Nicholas <address@hidden>:
> >   Hackerboards like the Pi, Odroid, and Beaglebone are picky about
> >   getting clean power because they're designed for lowest cost.  Power
> >   regulation is expensive compared to logic gates, and this is one of
> >   the corners they cut.  Under-voltage or under-wattage can cause
> 
> I don’t think the issue is that the board designers cut cost - there’s power 
> regulation on the boards.

I'm sure there is.  But not a lot of it.  Many are the reports of problems in 
the
presence of wobbly power - I'd heard a few myself even before I started working
with these boards.

> The issue is that the there are a lot of crappy power supplies that don’t 
> come close to putting out the volts/amps/watts that they are rated for.  The 
> **Power Supplies** are made with cost cutting measures and/or false 
> marking/advertising.  
> 
> Best to buy a power supply from a board reseller, that the reseller 
> “qualifies” or recommends for the board.

Agreed.  I'll add some language to this effect.
-- 
                <a href="http://www.catb.org/~esr/";>Eric S. Raymond</a>



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