Chumby beta Linux board

[Jeff Johnson]

Have any of you seen this beta board selling on Adafruit? It has some interesting specs:

• Freescale iMX.233 processor running at 454 MHZ
• 64 MB onboard RAM
• Comes with 512MB uSD card with 100 MB Linux installation all ready to go
• Dimensions are 3.9" (100mm) x 2.4" (60mm) x 0.75" (20mm)
• 3.3V I/O pins can talk to most sensors, motor drivers, etc. No struggling with 1.8V levels.
• Low power, fanless CPU draws only 200 mA at 5V
• Built-in Lithium Ion/Polymer battery charger and 5V boost converter for portable projects
• Three USB ports!
• 1.9W mono speaker amplifier into 4ohm (0.1" JST onboard connector)
• Microphone input (0.05" JST onboard connector)
• LCD controller with 2mm output port
• 3.5mm A/V output jack with stereo audio and NTSC/PAL composite video
• Back of board has GPIO outputs on 0.1" header spacing, plug in an Arduino proto shield! Serial ports, ADC's, PWM, GPIO all running at 3.3v logic
• Quadrature encoder connections onboard
• 5-way joystick on-board
• MMA7455 3-axis +-2G to +-8G accelerometer on-board
• 3.3V TTL serial port for easy shell access
• Full GCC toolchain is ready for you to download and get crackin'!
• Schematics, Gerbers and original layout files are at the Wiki

You'll want to pick up a 5V switching power supply, a 3.3v FTDI cable and anA/V cable to get started.

Does anyone know of a similar board around this size that has similar traits?  The only other one I've seen is a VIA and its 8 times the volume (twice the dimensions).

http://www.adafruit.com/index.php?main_page=product_info&cPath=46&products_id=278

 

[Mike Lutz]

On Sep 6, 2010, at 10:09 AM, Jeff Johnson wrote:

Have any of you seen this beta board selling on Adafruit? It has some interesting specs:

...

Does anyone know of a similar board around this size that has similar traits?  The only other one I've seen is a VIA and its 8 times the volume (twice the dimensions).

http://www.adafruit.com/index.php?main_page=product_info&cPath=46&products_id=278

Chris Pettus and I have a project that we have been looking at Chumbys as a dev platform.  

One of the main places to look for Chumby goodness is "bunny's blog", http://www.bunniestudios.com/blog/

I just about bought some of the "Insignia Infocast"s, which are also basically Best Buy branded chumbys and are claimed to be hacker friendly ( http://www.bunniestudios.com/blog/?p=1140 ), but last week when I saw standalone chumby hacker boards ( http://www.bunniestudios.com/blog/?p=1274 ) I jumped on it.  I have two on-the-way from Adafruit right now.

-Mike

[ChrisP]

I expect to have one of these hackboards soon, ordered but not
delivered.

If you want to work with the Chumby (without buying a Chumby) then
there is a alternative you can pick up at Best Buy.
http://www.bunniestudios.com/blog/?p=1294#comments

If you are not familiar, Bunnie is the designer of the Chumby and is
also well known for hacking the original Xbox while doing research at
MIT. His blog is interesting to read as well.

Another one that I have played around with is the Beagle Board. There
are also derivative projects based on the Beagle Board, such as the
Hawk Board.
http://beagleboard.org/

You can get the Beagle Board from Digi-Key and Newark sells the Hawk
Board. I will say that the documentation for the beagleboard is hard
to follow as most of it is out of date. You have to piece together
information from the various projects to get one set of up to date
instructions.

- Chris P

On Sep 6, 10:09 am, Jeff Johnson <astutesoluti...@earthlink.net>
wrote:
> Have any of you seen this beta board selling on Adafruit? It has some interesting specs:Freescale iMX.233 processor running at 454 MHZ64 MB onboard RAMComes with 512MB uSD card with 100 MB Linux installation all ready to goDimensions are 3.9" (100mm) x 2.4" (60mm) x 0.75" (20mm)3.3V I/O pins can talk to most sensors, motor drivers, etc. No struggling with 1.8V levels.Low power, fanless CPU draws only 200 mA at 5VBuilt-in Lithium Ion/Polymer battery charger and 5V boost converter for portable projectsThree USB ports!1.9W mono speaker amplifier into 4ohm (0.1" JST onboard connector)Microphone input (0.05" JST onboard connector)LCD controller with 2mm output port3.5mm A/V output jack with stereo audio and NTSC/PAL composite videoBack of board has GPIO outputs on 0.1" header spacing, plug in an Arduino proto shield! Serial ports, ADC's, PWM, GPIO all running at 3.3v logicQuadrature encoder connections onboard5-way joystick on-boardMMA7455 3-axis +-2G to +-8G accelerometer on-board3.3V TTL serial port for easy shell accessFull GCC toolchain is ready for you to download and get crackin'!Schematics, Gerbers and original layout files are at the Wiki

[Brad Luyster]

I like the looks of this Chumby hacker board.

I have a project for which I'd like to find a hackable platform running Linux, with Wifi and Audio (or just a couple of USB ports).  So far, the most promising results I've found are some Wireless Routers (at ~$30).  If there's anything else out there, though, I'd love to know about it.

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