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bill.french's Content
There have been 260 items by bill.french (Search limited from 03-July 23)
#5972 net micro framework porting questions
Posted by
bill.french
on 10 December 2010 - 02:06 PM
in
General Discussion
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#3772 Features of NetDuino
Posted by
bill.french
on 11 October 2010 - 06:09 PM
in
General Discussion
Full disclosure: I'm listed as a contributor to the Screwturn project, but my contributions were more by accident than intentional...
#5883 A First Project
Posted by
bill.french
on 07 December 2010 - 09:34 PM
in
Netduino Plus 2 (and Netduino Plus 1)
#4680 Question regarding listeningSocket.Accept();
Posted by
bill.french
on 08 November 2010 - 10:25 PM
in
Netduino Plus 2 (and Netduino Plus 1)
listeningSocket.Accept();
How do you kill them if you want them to stop listening? They are in their own threads, waiting for connections. How to you tell it to stop accepting connections, and also make the thread to go away?
My question is actually more about how to do this in general, and not specific to the web server, but it is an example of what I'm trying to understand. Thanks!
#6814 Custom Data Visualization Components
Posted by
bill.french
on 02 January 2011 - 04:21 AM
in
General Discussion
#6819 Custom Data Visualization Components
Posted by
bill.french
on 02 January 2011 - 05:03 AM
in
General Discussion
#6828 Custom Data Visualization Components
Posted by
bill.french
on 02 January 2011 - 01:19 PM
in
General Discussion
#6392 So, what's on everyone's Christmas List??
Posted by
bill.french
on 22 December 2010 - 07:22 PM
in
General Discussion
#6382 So, what's on everyone's Christmas List??
Posted by
bill.french
on 22 December 2010 - 06:25 PM
in
General Discussion
If you had a list of stuff that a magical creature would pick from and deliver to you via your chimney Saturday morning, what would be on it??
Here's mine:
- www.stepgenie.com - stepper motor controller
- a stepper motor to experiment with
- an LCD display
- netduino mini
- Make magazine subscription
- and since i've been really good this year: http://www.saleae.com/logic/ logic probe system everyone keeps talking about
Please note: no socks on this list!!
#6393 So, what's on everyone's Christmas List??
Posted by
bill.french
on 22 December 2010 - 07:23 PM
in
General Discussion
You can usually find very nice stepper motors in printers (larger motors) and 3.5" floppy disk drives
If Santa sees this and leaves me a floppy drive, I am going to be pissed.
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#6431 So, what's on everyone's Christmas List??
Posted by
bill.french
on 23 December 2010 - 02:07 PM
in
General Discussion
The items chortik mentioned look good too. Plus.... dangerousprototypes.com - that's almost as good a name as Secret Labs.
i didn't notice the "dangerousprototypes" .. i was too busy laughing at "Bus Pirate"... LOL
Edit: i should add that I think the stuff chortik linked is actually very cool, but the names are funny, which I appreciate. The sexyness of the Saleae wins for me, though.
#5659 Pre-Assembled Kits
Posted by
bill.french
on 02 December 2010 - 07:26 PM
in
General Discussion
#7877 "Open Collector"
Posted by
bill.french
on 19 January 2011 - 12:30 AM
in
Netduino 2 (and Netduino 1)
Master Reset signal. Internally pulled up to 3.3V via a 4.7K resistor. An
active Low pulse greater than 2 micro-seconds will reset the module. If
the module needs to be reset externally, only use open collector type
circuits. This pin is not driven low by any internal conditions. The host
should control this pin via one of its port pins using an open
collector/drain arrangement.
From wikipedia, I feel like I have a good handle on what "open collector" means -- but how do I do that with a netduino?
#7905 "Open Collector"
Posted by
bill.french
on 19 January 2011 - 12:49 PM
in
Netduino 2 (and Netduino 1)
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#11580 Trenton Computer Festival this weekend!!!
Posted by
bill.french
on 02 April 2011 - 01:47 AM
in
General Discussion
Anyway, this weekend is the Trenton Computer Festival! (in Trenton, NJ) There's going to be an all-day "Arduino Workshop", which could be of particular interest, including an open hack time, which I'm hoping to bring my Netduino+ to.
Also, the flea market has traditionally had a wider variety of computer stuff, some older stuff, junk, etc. -- as compared to most computer flea markets.
Either way, everyone enjoy your weekend!
#4925 Measuring Analog Value and output it on console?
Posted by
bill.french
on 15 November 2010 - 12:04 AM
in
General Discussion
#4788 Netduino power
Posted by
bill.french
on 10 November 2010 - 03:49 AM
in
General Discussion
#5984 AnalogInput hardware error
Posted by
bill.french
on 11 December 2010 - 02:11 AM
in
General Discussion
Maybe try something like this:
instead of:
AnalogInput analogPin = new AnalogInput(inputPin);try:
using(AnalogIntput analogPin = new AnalogInput(inputPin)) { ...your other code... }
... but then again analog input might not be idisposable, so this might not help.
I'm about to jump onto my other computer and can try it out myself.
#5982 AnalogInput hardware error
Posted by
bill.french
on 11 December 2010 - 01:58 AM
in
General Discussion
#5986 AnalogInput hardware error
Posted by
bill.french
on 11 December 2010 - 03:52 AM
in
General Discussion
public static double ReadLM34(Cpu.Pin inputPin) { // Reads an LM34 analog temperature sensor several times and converts the // Code example for potentiometer at: // http://forums.netduino.com/index.php?/topic/638-basic-analog-input-circuit-and-program/ int vRef = 3300; // 3300 mV, or 3.3V int readingTot = 0; // Summed total of the iterations int numReads = 10; // Number of times to take a reading double tempF = 0.0; // AnalogInput analogPin = new AnalogInput(inputPin); // Take a number of readings and average them together to get the final // temperature calculation for (int i = 0; i < numReads; i++) { readingTot += analogPin.Read(); } tempF = (readingTot / numReads) / 1024 * vRef / 10; analogPin.Dispose(); return tempF; }
#4748 want little help
Posted by
bill.french
on 09 November 2010 - 06:08 PM
in
General Discussion
http://www.parallax....83/Default.aspx
to sense the motion, which could then alert something to start recording, or raises some other sort of alert.
#4107 Questions about time
Posted by
bill.french
on 22 October 2010 - 04:27 PM
in
Netduino 2 (and Netduino 1)
#4111 Questions about time
Posted by
bill.french
on 22 October 2010 - 05:11 PM
in
Netduino 2 (and Netduino 1)
#7932 About the forum (hard to read this theme)
Posted by
bill.french
on 19 January 2011 - 08:26 PM
in
General Discussion
#5786 Serial Communication via D0 and D1
Posted by
bill.french
on 05 December 2010 - 10:58 PM
in
Netduino 2 (and Netduino 1)
![:(](http://forums.netduino.com/public/style_emoticons/default/sad.png)
For serial, using D0 for RX (hooked to TX on my device) and D1 as TX (hooked to RX on my device), do I need anything other than:
var s1 = new SerialPort(SerialPorts.COM1, 9600); s1.Open()
... and then I can read and write using s1.Read and s1.Write?
What does .Read do if there's no data there? Does it just wait? Return garbage?
I'm getting data via s1.Read with nothing even hooked up to the netduino.
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