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Michel Trahan's Content
There have been 155 items by Michel Trahan (Search limited from 29-June 23)
#12249 Current reader
Posted by
Michel Trahan
on 19 April 2011 - 06:23 PM
in
Netduino Plus 2 (and Netduino Plus 1)
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#12052 Curious Cloud - Netduino strikes again!
Posted by
Michel Trahan
on 13 April 2011 - 03:32 AM
in
General Discussion
I think it goes with the feeling green imperative... I don't quite get the sensor fascination everybody else seem to share - probably just me missing out on something...
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Using heating when people are coming home/waking up and mostly turning it off when leaving home for a while (that needs to be defined) things like that ... my thoughts !
#12038 Curious Cloud - Netduino strikes again!
Posted by
Michel Trahan
on 12 April 2011 - 08:27 PM
in
General Discussion
#12008 Cosine function
Posted by
Michel Trahan
on 12 April 2011 - 01:10 PM
in
General Discussion
Or simply giving it to Microsoft to include in the .net mf framework ? Solving the problem, not patching it ?could you manage any way to cut-off the original MF math and insert the ours?
Just a thought
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And as a physicist ... I want a real math library ...
#12102 Code Repository
Posted by
Michel Trahan
on 14 April 2011 - 12:30 PM
in
General Discussion
Me too ![Chris is taking notes.]
See this
I am very serious to get this tutorial built, planing to buy a .com or .org for it, serious. If we agree that it need to be, I'll buy it tonight (almost bought it this morning since both are available) ... should it be .com or .org ?
Mike.
#12684 Code Contracts
Posted by
Michel Trahan
on 30 April 2011 - 12:19 PM
in
General Discussion
That would be perfect for a tutorialWe might consider to study a special "good-practice" guidance for tiny boards like Netduino.
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#12924 Charlieplexing: Now uses the TristatePort class
Posted by
Michel Trahan
on 07 May 2011 - 03:45 PM
in
Netduino 2 (and Netduino 1)
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#12688 can I just bootload NET MF clr onto an ARM7 chip?
Posted by
Michel Trahan
on 30 April 2011 - 12:49 PM
in
General Discussion
When did this link appear ? Where is it on the main page ? LOLHave you looked into using the Netduino Mini?
#12233 C# Coding standards
Posted by
Michel Trahan
on 19 April 2011 - 12:43 PM
in
General Discussion
Will be looking at it to add some Coding Standards to my Netduino TutorialI came across this blog post with a nice set of C# coding standards at http://weblogs.asp.n...s-document.aspx
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#12236 C# Coding standards
Posted by
Michel Trahan
on 19 April 2011 - 12:59 PM
in
General Discussion
I'll check that one too !
I want to build a C# guidelines for .net MF code
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#12244 C# Coding standards
Posted by
Michel Trahan
on 19 April 2011 - 04:15 PM
in
General Discussion
Wow ! I was doing it all wrong LOL ! I was mixing up both System and Apps Hungarian, and prefering the Apps one but tried to continue on the System one too and hating it ... been off programming for 7 years ... thanks, now I know what to do, keep the good and throw the bad and ugly system hungarian from my habitsYou may wish to read http://www.joelonsof...cles/Wrong.html where Joel Spolsky talks about the difference between Apps Hungarian and Systems Hungarian. (Scroll to to the bottom of the post to find it).
I believe Apps Hungarian is extremely useful, but quite frankly today with managed code Systems Hungarian has lost much of its usefulness.
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A big thanks for the article you point at ! Boy do I love it here, I learn so much !
#12262 C# Coding standards
Posted by
Michel Trahan
on 20 April 2011 - 12:39 AM
in
General Discussion
Got that right lolcode comments lie. Maybe not today, maybe not next week; but when the code is changed, the comments are almost never updated to reflect the new reality.
#12979 Building a Twitter-enabled Geiger counter with a netduino+
Posted by
Michel Trahan
on 09 May 2011 - 12:21 AM
in
Project Showcase
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#12483 Best way to convert string to number
Posted by
Michel Trahan
on 25 April 2011 - 03:28 PM
in
Visual Studio
#11996 Are there any commercial products using NETMF?
Posted by
Michel Trahan
on 12 April 2011 - 12:27 PM
in
General Discussion
Chris ... we want namesWe actually work on quite a few commercial .NET MF-based electronics products (including mass-market ones) over on the commercial/consulting side of the business. Outside of that, I know that quite a few specialized products use .NET MF.
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#11169 Anyone have a Windows Phone already?
Posted by
Michel Trahan
on 22 March 2011 - 01:45 AM
in
General Discussion
#11597 Anybody interested in a cheap IMU?
Posted by
Michel Trahan
on 02 April 2011 - 08:00 PM
in
General Discussion
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#11587 Anybody interested in a cheap IMU?
Posted by
Michel Trahan
on 02 April 2011 - 04:47 PM
in
General Discussion
#12161 Anybody interested in a cheap IMU?
Posted by
Michel Trahan
on 17 April 2011 - 01:02 AM
in
General Discussion
#13614 Anybody interested in a cheap IMU?
Posted by
Michel Trahan
on 25 May 2011 - 05:52 PM
in
General Discussion
Do you need something more from meWe are going to make our initial board run of 9 boards.
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#12707 Any help on a ParallelIn SerialOut Bitshifter?
Posted by
Michel Trahan
on 30 April 2011 - 09:07 PM
in
Netduino 2 (and Netduino 1)
LoL me and my short term memory ...Remember I gave you that link in chat once?
#12696 Any help on a ParallelIn SerialOut Bitshifter?
Posted by
Michel Trahan
on 30 April 2011 - 04:02 PM
in
Netduino 2 (and Netduino 1)
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#13204 Analog input varying too much on temp sensor (LM335A)
Posted by
Michel Trahan
on 13 May 2011 - 12:24 AM
in
General Discussion
I have been trying to get stable data from a LM335A Temperature sensor and I do get a variation of 3 to 4 out of 1023. You say this is normal ? When I look at the oscilloscope data, it is quite stable (better using 10 pF capacitor) but still a variance of 3 to 4 ... you say this is normal ? The variation on the oscilloscope is does not even equate 2 out of 1023 so why more variance ?Please note that the analog-digital converter on the Netduino is 10-bit, but it is not uncommon to lose 1- or 2-bits of accuracy with integrated microcontroller ADCs (for a variance of 2-4 on the 0-1023 scale).
A variance of 3 would make sense since the LM335A Temperature sensor is 1C accuracy which equates to 3 out of 1023, therefore a variance of 3 would be exactly the accuracy of the sensor. Am I making sense here ? But the oscilloscope seems to be more stable than what the Analog pin gives out ... why would that be ? The voltage to be read is more stable than the values obtained by the analog pin reading ... why ?
I use 3.3V with a 300 Ohm resistor and a 10 pF capacitor.
I did see that I have 3.250 instead of 3.3 when I put the oscilloscope on the power thread on the breadboard ... why I do not know ... shouldn't be 3.3 ? (was using USB power)
#12991 ADC Reading wrong?
Posted by
Michel Trahan
on 09 May 2011 - 02:03 AM
in
Netduino Plus 2 (and Netduino Plus 1)
Indeed, it was stable when powered by an external 9VAre you powering via USB? I believe it works fine when using external power supply other than USB. I am unsure if this is an issue with certain USB ports or all.
#12987 ADC Reading wrong?
Posted by
Michel Trahan
on 09 May 2011 - 01:29 AM
in
Netduino Plus 2 (and Netduino Plus 1)
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