On Mon, Aug 6, 2012 at 11:47 PM, Ron K. Jeffries <[email protected]> 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 > > > > > > > _______________________________________________ > Qi Hardware Discussion List > Mail to list (members only): [email protected] > Subscribe or Unsubscribe: > http://lists.en.qi-hardware.com/mailman/listinfo/discussion
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