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WiFi Shields


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9 replies to this topic

#1 ScottBrady

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Posted 07 October 2011 - 07:31 AM

Hi All, My name is Scott Brady and I am new to the netduino forums. I am going to start a project that requires the use of wifi. Has anyone used a wifi shield for their projects and could you recommend a wifi shield compatible with the Netduino. Thanks in Advance Scott

#2 Stefan

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Posted 07 October 2011 - 01:08 PM

I myself have this one combined with an xbee shield: http://www.sparkfun.com/products/10822 Also, this one seemed to work: http://www.sparkfun.com/products/10505 according to http://forums.netdui...-netduino-wifi/
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#3 monewwq1

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Posted 11 October 2011 - 11:59 PM

I use the Gainspan GS1011 Wi-Fi module (http://sprkfn.com/p10505) and it works well with Netduino. It operates on 3.3VDC and connects to the UART and uses simple serial commands for communications. I've even gotten it to function as a very simple WiFi web server by serving the pages from the onboard Netduino microSD card.

I see there is an Xbee WiFi module available, but I have never used it and I do not know if it is compatible with Netduino.

#4 ScottBrady

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Posted 12 October 2011 - 12:18 AM

Thanks for all the responses. Being new to Netduino it seems to me that their is not a lot of wifi compatible hardware out there for the netduino. I have seen the following "Mantis" bot at this site. http://ttjcrew.com/2...robot-controls/ They are using the netduino plus (with the ethernet port) and used a 12 volt car battery in addition to a wireless router. I was thinking that this might be an alternative way of acheiving my objective. I purchased my netduino yesterday and can't wait for it to arrive, so I can start playing. Regards ScottBrady

#5 monewwq1

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Posted 12 October 2011 - 12:38 AM

Thanks for all the responses. Being new to Netduino it seems to me that their is not a lot of wifi compatible hardware out there for the netduino.

I have seen the following "Mantis" bot at this site.
http://ttjcrew.com/2...robot-controls/

They are using the netduino plus (with the ethernet port) and used a 12 volt car battery in addition to a wireless router.

I was thinking that this might be an alternative way of acheiving my objective.

I purchased my netduino yesterday and can't wait for it to arrive, so I can start playing.

Regards

ScottBrady


If the physical size does not hinder the project, then using a wireless router with a Netduino Plus is a good method. I think you'll find Netduino to be a useful microcontroller platform. Good luck.

Nick

#6 ScottBrady

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Posted 12 October 2011 - 01:04 AM

Many thanks to all that replied Regards Scott

#7 Spork

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Posted 12 October 2011 - 03:43 PM

They are using the netduino plus (with the ethernet port) and used a 12 volt car battery in addition to a wireless router.


I'm doing the same thing in my project. I bought a little LG Nortel WiFi router for $28. Since it takes 9v, I power it off a pack of six AA batteries. Works for hours, even with six 1.2V NiMH AAs that don't add up to 9V.

#8 Henry_Jones

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Posted 18 October 2011 - 08:48 AM

The RedFly shield (Watterott) and the WiFly Shield should both work.

I plan to create a Shield with the RN-131G which will be connected via UART (instead of SPI), but this will take some time.

The advantage of the WiFly Shield is in my opinion that the TCP connection is handled by the shield / device and the serial / UART connection is transparent.

#9 samjones

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Posted 01 February 2012 - 11:00 PM

>> The advantage of the WiFly Shield is in my opinion that the >> TCP connection is handled by the shield / device and the serial / UART connection is transparent. Are there any code examples of using the wifly? Can I use regular HTTPWEBRESPONSE / HTTPWEBREQUEST calls?

#10 Stefan

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Posted 02 February 2012 - 08:51 AM

Are there any code examples of using the wifly?

As stated in my previous comment in this thread, yes ;)

Can I use regular HTTPWEBRESPONSE / HTTPWEBREQUEST calls?

That will be difficult, that can only be done when the networking drivers are compiled within the firmware. So it would require a custom-made firmware.
I have, however, written a http client class that can work together with my wifly driver. See http://netmftoolbox....NET.HTTP_Client for more about this HTTP Client class
"Fact that I'm a moderator doesn't make me an expert in things." Stefan, the eternal newb!
My .NETMF projects: .NETMF Toolbox / Gadgeteer Light / Some PCB designs




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