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List:       volkszaehler-dev
Subject:    [vz-dev] neue fontend hardware plattform ?!
From:       devzero () web ! de (Roland Kletzing)
Date:       2010-09-18 11:34:29
Message-ID: E68CE851479F4506AB5BAB0BA59DFDF1 () samsungnetbook
[Download RAW message or body]

> We are now in the midst of designing and building a fully custom
> open-hardware main router board, called the Dragino, based on an Atheros
> AR2317 wifi SoC with 8MB Flash/16MB RAM [4]. The router board has 2x7

siehe ?brigens auch www.dragino.com  ;)


--------------------------------------------------
From: "Bart Van Der Meerssche" <bart.vandermeerssche at student.kuleuven.be>
Sent: Thursday, September 09, 2010 10:50 AM
To: "volkszaehler.org" <volkszaehler-dev at lists.volkszaehler.org>
Subject: Re: [vz-dev] neue fontend hardware plattform ?!

> Hallo Harald,
>
> Reading your mail, one might come to think that it's an extensive
> description of a Fluksometer. I made a post on the Jokamajo website
> listing the design trade-offs in this problem space [1]. There's a
> picture of the first prototype included. The FOSDEM '10 presentation [2]
> will give you an overview of the current hardware. The Lua daemon code
> running in an OpenWRT environment is available on github [3]. You might
> have a look at nixio as well, the Lua posix-library which has been
> developed as part of the LuCI project. Great for low-level (and
> not-so-low level, e.g. TLS) Linux basteln.
>
> We are now in the midst of designing and building a fully custom
> open-hardware main router board, called the Dragino, based on an Atheros
> AR2317 wifi SoC with 8MB Flash/16MB RAM [4]. The router board has 2x7
> and 2x8 pin headers for connecting a sensor daughter board. The Eagle
> schematics and layout of a first example sensor board with 3 analog
> inputs, 2 pulse inputs and an RS-485 interface are on github as well
> [5]. This sensor board can connect to the outside world via the 2x7 pin
> header to the 12-position screw terminal on the main board (green
> connector on the top right).
>
> Our aim with the modular design of the Dragino is to make it an order of
> magnitude more easy to design your own custom hardware since all it
> would require is a re-design of the sensor board.
>
> [1]: http://jokamajo.org/content/fonduino
> [2]: http://www.flukso.net/files/presentations/flukso.20100206.pdf
> [3]:
> http://github.com/icarus75/flukso/tree/develop/mote/v1/openwrt/package/flukso
> [4]: http://www.flukso.net/files/images/dragino_prototype.jpg
> [5]:
> http://github.com/icarus75/flukso/tree/develop/mote/v2/eagle/prj/flukso.sensor.board.v2.0
>
>
> Best regards,
> Bart Van Der Meerssche.
 


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