Hi all,
Is there any development of RTC anti rollback in dracut modules? Which
should be its behavior?
cheers,
Esteban.
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ASIDE/CLARIF: XO-1.75 prototype laptops will
All 5 positive verdicts posted below!
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Hot Ne
Hi everyone,
While working with Adam Holt in Haiti, I met a few "go-getter" teens who
already are doing basic house wiring. They could help diagnose battery and
solar array problems if they had a little more background.
I learned basic electricity reading and re-reading the first few chapters of
Hi
Turtle Art on the XO can work as an AC or DC voltmeter or ammeter or
oscilloscope.
There are a number of experiments at
http://wiki.sugarlabs.org/go/Activities/TurtleArt/Using_Turtle_Art_Sensors
that could be use to support instruction. Maybe that page is worth translating
too.
Tony
> H
rich...@laptop.org said:
> Speaking from experience measuring the power draw of a single XO with these
> low cost power meters is tricky. They can be very inaccurate at lower
> power measurements. The kill-a-watt for example has a typical accuracy of
> 1% with a max of 4%. Full scale is 1800
> Good point. Thanks. It's even worse than that. In the power mode, the
> Kill-a-Watt only shows whole watts, no fraction.
It's worse than that. IIRC mine only shows 6, 12, or 18 watts at that
low a value. Useless for really low power. I ended up using a test
board for a switching power su
On 10/27/2011 11:45 PM, Richard A. Smith wrote:
In this specific case the question was about human power so its
reasonable to assume that the setup would use a direct DC input.
Otherwise you are losing 30% or more of your power in conversion losses.
The number I use for the DC input is 25 watt-
