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31  Using Arduino / Project Guidance / Re: Multiple Due/Uno Project. Best Network/Comm Topology for Distributed Control. on: March 19, 2014, 02:37:10 pm
Rob,
I was part of the guys that tried with the Tiajuino. Guess, I should pick that effort up again.
I sent two of those boards down under like a year ago I think.

ZoomCat..  Yes I intend one to act as a master and the rest slaves.

I suppose a handful of Ethernet Shields is the way to go.... just need to work out the compatability with a couple of other shields, especially those that need the SPI.
32  Using Arduino / Project Guidance / Re: Multiple Due/Uno Project. Best Network/Comm Topology for Distributed Control. on: March 14, 2014, 05:14:43 pm
Two arduinos have motor shields. one has an lcd shield. one has a GSM shield...
So, I'll have to wrestle with sheild compatability issues if I put an Ethernet or Wireless shield on..

Haven't decided on a wired or wireless solution. Speeds not an issue, so even some kind of multidrop serial network would suffice. Just don't know of any such peer network protocols for Arduino.

(if only the DUEs  had implemented the native Ethernet of the SAM3X chip and included a full PHY brought out as a RJ45 header...I'd migrate every Project to a DUE and connect them all via Ethernet.).



33  Using Arduino / Project Guidance / Re: Multiple Due/Uno Project. Best Network/Comm Topology for Distributed Control. on: March 14, 2014, 11:36:14 am
Clarified what I was looking for above.
34  Topics / Education and Teaching / Re: My Arduino documentation to share with others on: March 12, 2014, 06:13:50 pm
This was very nice of you to share!!

I'm at the planning stages of opening a MakerSpace here in Alamos, Sonora, Mexico. Anthing we build that requires a heart/brain will use Arduino. Material like this is really helpful.

Do you have any objection to us making Spanish translations of this material? (of course we will make it availble to all.).
35  Using Arduino / Project Guidance / Multiple Due/Uno Project. Best Network/Comm Topology for Distributed Control. on: March 12, 2014, 04:16:57 pm
Fun Project. Have 7 or 8 UNO/DUEs each doing their own thing independently. Looking to coordinate a few activities between them.

What I'm asking for are recommendations for the best Network/Comm Topology to apply to allow for some Supervisory Control, Distributed Control and Data Acquisition between the Arduinos. I will have special purpose shields on each UNO/DUE, so I need to adopt something that I should be able to apply universally to each 'Node' on my 'Network'. Some sort of Peer Networking recommendation, with perhaps an example.

I'm not ready to adopt any Galileo, Yun, Tre, Rpi technologies. Just want to go with what's available in the UNO/DUE community.
36  Topics / Science and Measurement / Re: Colorimetric CO2 Analysis on: March 04, 2014, 11:28:12 pm
Have you considered one of these?

https://www.atlas-scientific.com/product_pages/sensors/env-rgb.html

Very nice product. Simple serial interface with sample code for Arduino.
I have one and I've verified it sees Red, Green, Blue...

Peter
37  Products / Arduino Due / Re: Arduino Due Programming Language - Graphics Support on: March 03, 2014, 01:25:15 pm
Have a look at this effort:

http://forum.arduino.cc/index.php?topic=164788.0

Due GUI.
38  Community / Website and Forum / Re: Problem with main Arduino website 8 Feb 2014 on: March 03, 2014, 01:17:35 pm
The token?-820fs.,dw80w90-d suffix appended the URL has gotten much worse.

I now have to close ALL browser Windows. Flush all caches.
Enter Arduino..
Log in.
Go to Fórum..
Get the token nonsense..
Hit F12, Hit the paintbrush palette object, open a new tab, close the existing tab.
Got to Fórum again..

Repeat last 3 ítems about 4 to 6 times in a row....

Eventually, I can enter the Fórums... Logged IN... which means I get to particpate.

If I visit any of the site outside of the fórum..... (like Reference or Buy).... I get the return of the Token errors.....

And I repeat EVERYTHING I typed above... Which is fun If I've opened and logged into many other sites.  smiley-sad.

None of this happens on my WIndowsPhone 8, but fórum participation isn't much fun on a 4.5" screen.
39  Using Arduino / Sensors / Re: integration of industrial sensors (ultrasonic) in Arduino on: February 18, 2014, 11:17:03 pm
How deep/wide is the river? could you setup a parshall flume to measure the flow? You could use an inexpensive measure tape in lieu of an ultrasonic sensor if we are talking about small amounts (under 20cm of rise in the flume)

http://en.wikipedia.org/wiki/Parshall_flume

I mention that 20cm limit as sparkfun.com has an inexpensive level tape that can be setup as a variable resisitor.  Max voltaje is 10v. See this specification data sheet:

http://dlnmh9ip6v2uc.cloudfront.net/datasheets/Sensors/ForceFlex/eTape%20Datasheet%2012110215TC-8_040213.pdf
40  Products / Arduino Due / Re: Arduino Due or Beaglebone Black on: February 12, 2014, 07:25:45 pm
Doug,

There is this effort by serveral Fórum members:

Connecting an Ethernet PHY to Arduino Due
http://forum.arduino.cc/index.php?topic=142908.90

Peter


41  Products / Arduino Due / Re: Arduino Due or Beaglebone Black on: February 10, 2014, 12:50:39 pm
It's interesting to note that the upcoming Arduino TRE is almost a unión of UNO and BeagleBone Black.
It will contain an UNO AVR core as well as a R3 pin layout in the interior for connecting UNO shields.
However, it also has a Texas Instruments 32-bit Sitara ARM Cortex-A8 processor with GPIO and Comm/HMI/Storage interfaces tied to it.

Likewise the Galileo from Intel contains an UNO AVR core with R3 pin layout and a second processor, the 32-bit Intel Quark (a Pentium derived SoC) driving comms and a host of other interfaces.

Makes me question the future of DUE's Cortex-3M core. I haven't heard a thing about it in a year from the Offical Keepers of Arduino... just us hobbyist/developers that have struggled with it and the Beta IDE for more than 15 months. Is Arduino staying UNO all the way, and just borrowing from others for some of the advanced comms/video/audio/storage interfaces?
42  Topics / Robotics / Re: uArmⅠ:An open source robot arm on: February 07, 2014, 11:08:48 pm
Gentlemen,
I signed up to receive one of your full kits with the gripper and suction options via sponsorship of your KickStarter campaign.
Looking forward to seeing continued development.

Again, really nice work. 1st class presentation of your product/project. Would love to get our students at Espanglish Institute / Guaymas Workshop developing products of that caliber.  Wow!
Peter


43  Products / Arduino Due / Re: Due GUI (Graphical user interface) - [now community project] on: February 04, 2014, 01:50:00 am
Getting back to DUE. I started gathering my DUE, Taijuino and CTE stuff back as Daniel and a few other students lost interest in the GUI development for the DUE. Seems I have a total of five of these SSD1963 LCDs, shields And DUE/Taijuinos in my possession.
44  Topics / Robotics / Re: uArmⅠ:An open source robot arm on: February 03, 2014, 03:28:21 pm
This would make a fine foundation for a small Boom Crane. Replace the Gripper/Suction axis with a Hook and Line. The Parallel Arms would perform the Boom/Jib functions. Replace the end with a TIp sleeve and run a line to the Base, where the Winch would be installed. Rotating Base is nice. It's far more flexible than required, but nevertheless a great starting point for a design. My intended purpose requires about 10meters of line that could lift 200grams partially extended.

You guys are modest and haven't plugged your kickstarter campaign in this thread (if you did, I missed it). But, honestly so many will be using your design and code, so it's a good idea to let other hobbyist know how they might support your efforts.  (If linking ot kickstarter campaigns is forbidden, my apologies).
https://www.kickstarter.com/projects/ufactory/uarm-put-a-miniature-industrial-robot-arm-on-your?ref=live .

Nice work gentlemen.
45  Using Arduino / Sensors / Re: Aquarium sensors - Warning newbie question ahead of you on: February 03, 2014, 11:49:12 am
de nada.
I found the Arduino Reef Controller LInk: http://reefangel.com
A fórum search with the keywords Aquarium pH (as one phrase) yields relevant results as well. You'll find specs, code, component sources, etc.. Lots of shared experiences to draw from on these fórums.
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