[OT] Embedded Wifi

[Budi Mulyo]

How about a web server Arduino: Embedded Linux meets Arduino with the Rascal Micro

"it's maybe 25 times faster, has 1,000 times more storage." Where as the Arduino excels at making things blink, move or Tweet, the Rascal Micro has enough power to function as a full-fledged web server.

 

This makes it easy to jump over to wireless with the use of a USB dongle, or you can figure out what other peripherals you want to include in your project.  The novelty here is that the web server included a built-in editor. So not only can it serve you a webpage to control hardware or display sensor status, but it will let you edit the interface without needing to reflash anything.

Best wishes,,

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Budi Mulyo

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On Wed, Jun 13, 2012 at 6:24 AM, Isa Farnik <curiosit...@jigsawrenaissance.org> wrote:

Yeah.. Pulled up Hackaday a few hours later and got a little creeped out.

On Jun 13, 2012, at 1:59, Budi Mulyo <celestia...@jigsawrenaissance.org> wrote:

This article seems timely:

Nah, you don’t need an Ethernet module for your Arduino

No, we don’t know what’s going on, or why the collective unconscious of makers around the globe decided to latch onto this type of build so suddenly. OpenWRT is available for hundreds of different routers, and anything that keeps disused routers out of the landfill (with the bonus of doing something useful) is alright in our book, so if you have another similar build, send it in and we’ll get around to it sometime.

Best wishes,,

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Budi Mulyo

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Jigsaw Renaissance is a learning and making community, a collaborative community dedicated to collective education and creation.

For more information about JR (www.jigsawrenaissance.org), please visit our wiki page at wiki.jigren.org/Starting_Classes or this page.
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On Tue, Jun 12, 2012 at 5:29 PM, Lawrence Leung <lawr...@jigsawrenaissance.org> wrote:

Isa,

I've been researching various options as well for a similar project and for WIFI I'd get a cheap wireless router like this one (the chinese version is ~$25 on DX) and install openwrt:

http://wiki.openwrt.org/toh/tp-link/tl-wr703n

You'll have to build a new kernel for openwrt with support for your GPIO lines.  This is one guide on how to enable I2C in openwrt... bitbang support can't be that far off:  http://www.larsen-b.com/Article/398.html

If all else fails, you could just use the USB host for an FTDI or mcu.

I'd like a battery powered option for my project so I've been looking at TI's low power wireless solutions.  It works out to be around $20 a node for the RF2500s but you need a base station node.

-Lawrence

On Tue, Jun 12, 2012 at 2:53 PM, Isa Farnik <curiosit...@jigsawrenaissance.org> wrote:

I'm looking to make some domestic devices (coffee maker, dishwasher, clothes dryer) accessible via wifi, what are my options? I'd prefer a cheaper option to an easier-but-more-expensive one. Ethernet isn't an option due to cabling costs and obscure locations of the some the devices, plus I'm a renter. And Xbee/802.15.4 would require more hardware to be accessible from the internet.

What's the cheapest way to make the jump from simple GPIO pin connections to Wifi?

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[Paul Danset]

FYI the BeagleBone is available today, costs much less, and has Ethernet and CAN bus built in.  It does not have Arduino shield compatibility; it has its own family of add on "cape" boards.

http://beagleboard.org/bone

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[Budi Mulyo]

This might be the cheapest solution to connect 30 Arduino devices:

Putting scores of Arduinos on the Internet with one router

For those of you who are working on the Wikispeed project, this article might interest you:

Router controlling choo-choos over the CAN bus

Best wishes,