<html><body><div style="color:#000; background-color:#fff; font-family:arial, helvetica, sans-serif;font-size:12pt"><div>Pete,</div><div><br></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: arial, helvetica, sans-serif; background-color: transparent; font-style: normal;">No argument here, they put alot of effort creating a Arduino/Linux combo, with a very nice networking setup. The libraries for this set up are significant and very useful. I see this as great potential for off the cuff sensor/control network, but at a significant price. Imagine walking into someone's house with a box of these and a computer and just placing YUNs with sensors around and cranking up your laptop with a Scada software and within minutes having a Scada control system. That i<span style="background-color: transparent;">s impressive. BTW, ScadaBR or Mango is what I generally use.</span></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family:
arial, helvetica, sans-serif; background-color: transparent; font-style: normal;"><br></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: arial, helvetica, sans-serif; background-color: transparent; font-style: normal;">I cannot understand why the chose such a weak and unusual linux configuration. Maybe their intent was to work off the Wireless networking capabilities of linino, being a fork of OpenWRT. It comes default as a Wireless Access Point. Still, I would rather have a full blown linux distribution at my disposal. </div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: arial, helvetica, sans-serif; background-color: transparent; font-style: normal;"><br></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: arial, helvetica, sans-serif; background-color: transparent; font-style: normal;">Having said that, I would be a buyer in the $30-40 range, which may happen if it flops at the current price. One
thing is for sure, over the years we have all felt the pains of spending quite a bit of time to get arduinos networked and now look how easy it is. </div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: arial, helvetica, sans-serif; background-color: transparent; font-style: normal;"><br></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: arial, helvetica, sans-serif; background-color: transparent; font-style: normal;">Simply Amazing!!!</div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: arial, helvetica, sans-serif; background-color: transparent; font-style: normal;"><br></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: arial, helvetica, sans-serif; background-color: transparent; font-style: normal;">John Vaughters</div><div><br></div> <div style="font-family: arial, helvetica, sans-serif; font-size: 12pt;"> <div style="font-family: 'times new roman', 'new york', times, serif;
font-size: 12pt;"> <div dir="ltr"> <hr size="1"> <font size="2" face="Arial"> <b><span style="font-weight:bold;">From:</span></b> Pete Soper <pete@soper.us><br> <b><span style="font-weight: bold;">To:</span></b> triembed@triembed.org <br> <b><span style="font-weight: bold;">Sent:</span></b> Wednesday, September 11, 2013 6:08 PM<br> <b><span style="font-weight: bold;">Subject:</span></b> Re: [TriEmbed] Why *not* a Raspberry Pi ?<br> </font> </div> <div class="y_msg_container"><br><div id="yiv8743587969">
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<div class="yiv8743587969moz-cite-prefix">On 09/11/2013 12:50 PM, David Atoji
wrote:<br>
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<div dir="ltr">I came across <font><span id="yiv8743587969eow-title" class="yiv8743587969" dir="ltr" title="Arduino YÚN - Intro">Arduino YÚN</span></font>
-what do think of this option?<br>
<br>
<a rel="nofollow" target="_blank" href="https://www.youtube.com/watch?v=kwHVeWADs2Y">https://www.youtube.com/watch?v=kwHVeWADs2Y</a><br>
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</blockquote>
<br>
Interesting. A recurrent conversation at TriEmbed meetings has been
the challenge of networking on Arduino systems, the cost and library
footprint, etc vs just using a Raspberry Pi. This YUN system is
perfect, it's just priced wrong by a factor of two :-) (What I mean
is, if this add-on card worked with a $30 Uno the combination would
be the same as a cost of a model B RPi. I should mention at this
point that I'm not religious about RPi except in regards to its
charter being about education and not making money. Whatever floats
your boat.)<br>
<br>
But being able to write a Python script in the Linux portion of this
system would be pretty convenient. The nicely refined wireless
config looks very interesting. Keep a few things in mind for the
Linux piece of this system:<br>
1) MIPS is a niche chip these days, so don't expect to find a
large number of binary apps. Just about anything you can imagine
being around for current Debian/Ubuntu/Linux Mint is available for
Raspberry Pi. <br>
2) Building binaries requires cross-tools, most likely on another
Linux machine.<br>
3) The memory resources are modest, so big apps won't fly. The ram
is 1/16th as much as an RPi. <br>
<br>
Correct me if I'm wrong, but it appears this would have to be
ordered from Europe for the time being. Digikey, Mouser, and
Element14/Farnell/Newark are listed as distros by the Arduino folks,
but none of those three distributors show stock for this thing when
searched for as an "Arduino YUN" <br>
<br>
While we're discussing very cheap ARM boards, here's one for $15:<br>
<br>
<a rel="nofollow" target="_blank" href="http://www.newark.com/freescale-semiconductor/frdm-kl46z/dp/87W8000">http://www.newark.com/freescale-semiconductor/frdm-kl46z/dp/87W8000</a><br>
<br>
In the <a rel="nofollow" target="_blank" href="http://www.farnell.com/datasheets/1728679.pdf">datasheet</a>
for this board it mentions "Easy access to MCU I/O via Arduino ™ R3
compatible I/O connectors." (Notice Newark is down to one (or
probably zero by the time you read this). They'll get 400 more on
the 27th.) But this is also a *very* modest system.<br>
<br>
And here's another ARM-based eval board for $25 featuring Arduino
compatible shield connectors:<br>
<br>
<a rel="nofollow" target="_blank" href="http://www.newark.com/cypress-semiconductor/cy8ckit-042/eval-brd-psoc-4-pioneer-kit/dp/69W7455?Ntt=PSoC+4+ARM">
http://www.newark.com/cypress-semiconductor/cy8ckit-042/eval-brd-psoc-4-pioneer-kit/dp/69W7455?Ntt=PSoC+4+ARM</a><br>
<br>
Finally, here's something for folks who just can't decide what to do
but have an extra $40. It can be a standalone ARM-based board, a
bridge to an Arduino shield, or a bridge between a Raspberry Pi and
an Arduino shield:<br>
<a rel="nofollow" target="_blank" href="http://www.newark.com/embest/embedded-pi/stm32-i-o-bridge-raspberry-pi-arduino/dp/67W2379?in_merch=Popular%20Products&in_merch=Popular%20Products&MER=PPSO_N_C_EverywhereElse_None">http://www.newark.com/embest/embedded-pi/stm32-i-o-bridge-raspberry-pi-arduino/dp/67W2379?in_merch=Popular%20Products&in_merch=Popular%20Products&MER=PPSO_N_C_EverywhereElse_None</a><br>
<br>
-Pete<br>
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