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Jim Davies's Content
There have been 48 items by Jim Davies (Search limited from 19-April 23)
#12353 Microsoft video on Internet of Things
Posted by Jim Davies on 21 April 2011 - 01:58 PM in General Discussion
#12325 Microsoft video on Internet of Things
Posted by Jim Davies on 21 April 2011 - 09:39 AM in General Discussion
#12323 Making the Netduino a little bit closer to a RTOS device
Posted by Jim Davies on 21 April 2011 - 08:52 AM in General Discussion
#11158 Recommend a scope or PC card for working with Netduino?
Posted by Jim Davies on 21 March 2011 - 03:08 PM in General Discussion
Or get the same thing directly from the designer for $35
http://www.gabotroni...a-xprotolab.htm
Thanks Luke - wow!
#11070 Recommend a scope or PC card for working with Netduino?
Posted by Jim Davies on 18 March 2011 - 09:43 AM in General Discussion
Or how about a 40kHz 2-Ch DIP-Size Mixed Signal Scope for $49?
Jim
#10257 Wild idea for a group project
Posted by Jim Davies on 26 February 2011 - 02:57 PM in General Discussion
In an effort to kickstart this and keep it simple, may I suggest we use a channel on ThingSpeak (www.thingspeak.com )?
I heard from ThingSpeak that it will remain free, by the way, so maybe that would help?
Jim
#10256 ThingSpeak are open
Posted by Jim Davies on 26 February 2011 - 02:54 PM in General Discussion
#9832 Pachube client for NetduinoPlus
Posted by Jim Davies on 19 February 2011 - 12:10 PM in Project Showcase
Are there any other similar services like Pachube? It's a fantastic idea, but it's a bit to expensive. If I want to monitor my whole house and keep a infinite history, $99 is to much for me.
ThingSpeak looks promising, but I don't see anything about costs yet!
Also, check out sen.se
Jim
#9626 ThingSpeak are open
Posted by Jim Davies on 16 February 2011 - 08:51 AM in General Discussion
www.thingspeak.com
Open Internet of Things Project - Give your things a voice
They join the likes of Pachube in offering a place for data from 'net-connected things' to reside, so other devices / systems can read from them.
Jim
#9168 Help required with Update firmware to 4.1.1
Posted by Jim Davies on 08 February 2011 - 04:03 PM in Netduino Plus 2 (and Netduino Plus 1)
I always get this also.when using MFDEploy used to flash chip it still hangs up after finishing with Application executing message so I have to unplu/plug there but beginning to think that is an MFDeploy bug.
Jim
#8663 Very short delays, less than 1ms
Posted by Jim Davies on 29 January 2011 - 01:04 PM in Netduino 2 (and Netduino 1)
#8619 hardware interrupt
Posted by Jim Davies on 28 January 2011 - 05:06 PM in Netduino 2 (and Netduino 1)
You can just define your interrupt method like this:
protected void MyInterrupt(uint data1, uint data2, DateTime time) { // do stuff... }and use:
port.OnInterrupt += MyInterrupt;HTH
Jim
#8463 Help a wife buy a present
Posted by Jim Davies on 26 January 2011 - 01:38 PM in Netduino 2 (and Netduino 1)
#8460 Help a wife buy a present
Posted by Jim Davies on 26 January 2011 - 12:43 PM in Netduino 2 (and Netduino 1)
Thank you
I've put in an order for the netduino, a voice shield (the other one was out of stock) and some other stuff now.
I think my husband and I are good at getting each other gifts (hence the netduino ha ha), I know he really wants one.
If you're in trouble you can never go wrong with chocolate, right?
Did you order a Netduino Plus?
Anyway, if you can't get the Netduino you want, consider a decent single malt (Scotch whisky). It helps after the programming...
#8457 Pachube and similar
Posted by Jim Davies on 26 January 2011 - 12:20 PM in General Discussion
Title: Pachube nominated for "Best 'internet of things' application" BE2Award
We are proud to announce that Pachube [1] has been nominated for the "Best 'internet of things' application" BE2Award [2]! Voting is open to the public and closes at midnight GMT, 7 February 2011.
Quote:
>"The best 'internet of things' application looks at technologies which are >able to extract data from buildings, environments and objects and deliver >related information to us, and which allow us to interact with those >'things'.
What do you think - Pachube [3] does that pretty well, no?
We are in good company, too, with IoT friends like Adrian McEwen [4] and sen.se [5].
Please visit http://be2awards.com...of-things-appl/
[6] to cast your votes.
[1] http://www.pachube.com/
[2] http://be2awards.com...of-things-appl/
[3] http://www.pachube.com/
[4] http://www.mcqn.com/
[5] http://open.sen.se/
[6] http://be2awards.com...of-things-appl/
http://community.pachube.com/node/587
#8061 Resellers in Europe
Posted by Jim Davies on 21 January 2011 - 02:50 PM in Netduino 2 (and Netduino 1)
#7908 About the forum (hard to read this theme)
Posted by Jim Davies on 19 January 2011 - 01:22 PM in General Discussion
#7811 Best Books to read for starters
Posted by Jim Davies on 17 January 2011 - 09:12 AM in General Discussion
#7756 Best Books to read for starters
Posted by Jim Davies on 16 January 2011 - 11:04 AM in General Discussion
#7500 Newbie on buttons & pull-up resistor
Posted by Jim Davies on 12 January 2011 - 09:23 AM in Netduino 2 (and Netduino 1)
You're probably seeing contact bounce on your buttons. You can either debounce in software or add a small capacitor from each digital input to ground, to 'smooth' the signal a bit. Also, have you tried the 3.3V instead of the 5V - might make a difference?
See for example:
Interrupting
Also try searching for 'glitch' or 'bounce' in the Forums search box.
Jim
#7497 Graphing Data from Netduino over the network
Posted by Jim Davies on 12 January 2011 - 08:36 AM in Netduino Plus 2 (and Netduino Plus 1)
#7496 Visual Studio Toolbox Error
Posted by Jim Davies on 12 January 2011 - 08:34 AM in Visual Studio
#7464 Graphing Data from Netduino over the network
Posted by Jim Davies on 11 January 2011 - 05:19 PM in Netduino Plus 2 (and Netduino Plus 1)
#7449 Visual Studio Toolbox Error
Posted by Jim Davies on 11 January 2011 - 11:17 AM in Visual Studio
The installation of NETMF 4.1 SDK seems to prevent some users adding items to the VS2010 Toolbox. In my case I was trying to install the WPF Toolkit, but other reports mention other Toolbox additions.
There's a thread at:
Visual Studio Toolbox Error
Jim
#7204 Code Storage
Posted by Jim Davies on 07 January 2011 - 01:20 PM in Netduino 2 (and Netduino 1)
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