nuckolls.bob(at)aeroelect
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 Posted: Sat Oct 21, 2017 12:41 pm Post subject: Arduino DAC project (OOPS!) |
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Oops. I intended to send this to Paul . . . but no harm
done. Among other things, Paul has put some considerable
effort into integrating a OBAM aircraft friendly data
acquisition board . . .
[img]cid:.0[/img]
With the Arduino Uno. This board will feature full, scaleable
access to 6 analog analog inputs, three of which have
jumpered options to (1) measure current in a conductor passed
though a hall effect transducer (2) measure temperature with
a K-type thermocouple, and/or (3) strap to a gain of 100
amplifier for gathering of information from low level signals
like strain gages.
These are the kinds of things I did at Beech for a bunch of years,
but with a fatter budget.
[img]cid:.1[/img]
Now, with Paul's assistance, we'll see if we can bring the cost
down for making measurements of similar quality in a po' pilot's
flying machine. It will fit into a roughly 2 x 3 x 4 inch enclosure and
have enough memory to document your record flight from coast
to coast in an ultra-light.
The full up assembly will feature an SD card memory for gathering
data autonomously and formatting it for porting to Excel. Some of
you guys may be both talented and motivated to craft a processing
app to run under Windows . . . something that would label, scale
and offset raw data (0-5v binary) into real-world numbers on
a nice graphics display?
-------------------------------------
Paul,
I took a look at the ADC card we proposed way back when.
It still looks good. I'm going to order in some proof
of concept boards and get at least one stuffed . . . then
get it off to you for further sifting of the rats
There are several times I could have used this item over
the past couple years. It would not punch a big hole in
other commitments to get one stuffed and onto your
bench.
Got a bunch of things in the 90% phase that need
to get pushed over the finish line.
Bob . . .
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