Today's Message Index:
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0. 12:16 AM - Some Very Nice Comments... (Matt Dralle)
1. 01:51 AM - Features (lucaslendies)
2. 05:11 AM - Re: Preferred Method for Redundant Power Sources to Single Input (gordonrsmith921@yahoo.com)
3. 05:34 AM - Re: Re: Preferred Method for Redundant Power Sources to Single Input (Robert L. Nuckolls, III)
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Subject: | Some Very Nice Comments... |
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Read E-Books and more...
Features:
- Same size as an original DS game cartridge
- Built-in PassMe (NO need for any boot cart/passcard etc.)
- Uses microSD memory card (Trans Flash) as storage.
- Boot clean dump images (downloadable from internet)
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- No battery needed, back up the save file directly into the microSD card
- Auto detect the save type and automatically generate saver file
- Homebrew support , IO lib available on launch
- Supports WiFi, DS rumble pack and DS browser.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=272644#272644
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Subject: | Re: Preferred Method for Redundant Power Sources to |
Single Input
Bob wrote:
Obviously, a pair of diodes could be used WITHOUT switches to provide an either/or
energy path from two, always-on sources.
In this case when the two always-on sources differ by a volt or two, for whatever
reason, Do the sources provide power proportionally to their voltage or will
it be a 100% feed from the highest voltage source?
Gordon Smith
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=272667#272667
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Subject: | Re: Preferred Method for Redundant Power Sources |
to Single Input
At 07:09 AM 11/13/2009, you wrote:
><gordonrsmith921@yahoo.com>
>
>Bob wrote:
>Obviously, a pair of diodes could be used WITHOUT switches to
>provide an either/or energy path from two, always-on sources.
>
>In this case when the two always-on sources differ by a volt or two,
>for whatever reason, Do the sources provide power proportionally to
>their voltage or will it be a 100% feed from the highest voltage source?
Great question. The highest voltage source will assume
most if not all the total downstream load. The design goal
for use of diodes in this manner is not to spread and share
the load between two sources but to insure that the loads
are supplied with energy irrespective of the condition for
either source.
I'm working an accident case where a couple of systems were
combined downstream of a pair of diodes without modifying
upstream protection to accommodate the SUM OF BOTH LOADS
on EITHER energy source.
This was but one design error that stacked on top of several
others to bring an airplane full of folks to an unplanned
arrival with the earth. The little things DO matter.
Bob . . .
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