comparison of low-cost ARM boards

Tom Cubie mr.hipboi at gmail.com
Tue Aug 7 04:54:34 EDT 2012


On Mon, Aug 6, 2012 at 11:47 PM, Ron K. Jeffries <rjeffries at gmail.com> wrote:
> I acknowledge this topic will only be of interest to a subset of this list.
>
> Before I begin: does the Qi Hardware community find Mali graphics
> acceptable in terms of open-ness? That is one point that distinguishes the
> clutch of Allwinner A10/A13 designs from the BRCM based Rapberry Pi.
For A10, there are already open board. http://linux-sunxi.org/Cubieboard
For A13, there are also already open board. http://linux-sunxi.org/A13-OLinuXino
>
> MAIN TOPIC:
> This table from Adam Schemanoff compares technical specs for six recent
> ARM-based
> "mother boards." He missed the Beaglebone (cost is much lower than
> Beagleboard).
>
> http://adam.schemanoff.com/mini-computers.html
>
> Regardless of whether you find Raspberry Pi interesting or not,
> an ecosystem of support is emerging around it that reminds one of
> the Arduino. Considerable variety of inexpensive low-level (GPIO, I2C, SPI)
> i/o support is emerging. One works in Linux using scripting languages such
> as Python
> or even the clever visual language Scratch from MIT. Naturally C, Lua,
> assembler
> and most languages available on Linux are there. But the GPIO/I2C/SPI
> support
> is happening first in Python.
>
> Two examples (of many...) interesting hardware add-ons to Raspberry Pi:
>
> http://piface.openlx.org.uk/
>
> http://dangerousprototypes.com/2012/08/06/cpild-cpld-board-for-raspberry-pi/
>
> As always, Google is your friend, but here's a couple of useful sites:
> http://www.raspihub.com/
> http://reddit.com/r/raspberry_pi
>
> At $35 for the more expensive model (with Ethernet and 2xUSB) or
> $25 for Model A with a single USB and no Ethernet, I challenge you
> to find a complete, working Debian system that costs less or uses less
> power.
>
> When you get tired of it, gift it to a kid. That's the target audience in
> any case.
>
> Yes, some 200,000 have shipped, and the ongoing production rate is such
> that by early 2013 there should be in excess of a million units. Thinking up
> completely
> open hardware that uses RasPi as its mother-ship might be worth considering.
>
> At the CONSIDERABLE risk of making Sebastian upchuck, an OPTION where
> RasPi might be attached to the awesome Milkymist might not be a crazy idea.
> It can be a 900MHz user interface co-processor. One could plug a $4
> Bluetooth
> congle in the RasPi USB slot and have Bluetooth keyboard and mouse or
> touchpad that can be used to control Milkymist during a VJ performance.
> One machine to machine interface (or several options) is Ehernet on MM
> to Ethernet on RasPi, speaking a protocol specific to MM.
>
>
> Ron K. Jeffries
>
>
>
>
>
>
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