Look at the TS-7500, about $100, full Debian Linux on ARM with an FPGA wrapped around it. Default FPGA load is 8 serial ports, alternate loses 4 serial to get CANbus, code is open source so you can hack your own FPGA build.
* Drew Van Zandt Cam # US2010035593 (M:Liam Hopkins R: Bastian Rotgeld) Domain Coordinator, MA-003-D. Masquerade aVST * On Mon, Mar 25, 2013 at 11:07 PM, Tom Metro <[email protected]>wrote: > [email protected] wrote: > > The Raspberry PI has a good amount of processing, but lacks the I/O > > to do what the arduino can do. > > Not disagreeing, but what sort of I/Os have you wanted that it didn't have? > > While you can add I/O expanders, like the Gertboard (see list archives), > last I saw pricing it was $46, so it adds significantly to the project > cost. > > You would think they would have beefed up the native I/O on the Pi, > given it was made for hacking, but I guess the educational projects they > envisioned for it didn't involve that much low-level hardware > interaction, or at least not enough to justify impacting their $35 > target price. (Their vision seemed to be more about letting each kid > have their own computer on which to hack software. Not so much about > hardware interfacing.) > > The interesting thought experiment is what would it have added to the > price to make the Pi Arduino shield compatible, as you suggest. For a > little bit more product cost, it would reduce the cost of expansion. > > There are other ARM-based boards with better I/O and similar performance > capable of running a full Linux, but you'll pay more than $35, and > you'll have a much smaller supporting community. > > -Tom > _______________________________________________ > Hardwarehacking mailing list > [email protected] > http://lists.blu.org/mailman/listinfo/hardwarehacking >
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