[OLPC-Asia] xorduino项目

[lite li]

是的，硬件是开源的

先做些pre-study
看看需要如何开始

现在还没定直接采购板子还是用模块来组装。

On Tue, Jun 12, 2012 at 8:37 AM, Xin Wang <dram.wang at gmail.com> wrote:

> 2012/6/11 lite li <litekok at gmail.com>:
> > 大家好，
> >
> >   谁对下面这个xorduino项目感兴趣的？
> >   大家一起玩一玩？
> >
> >   http://cananian.livejournal.com/
> >
> >   可以从这里开始：
> >   https://github.com/cscott/xorduino
> >   https://github.com/cscott/xostick
> >
> > BR，
> > Lite
> >
>
> 这个需要自制硬件？
>
> 虽然是学嵌入式出身，不过已经三年没碰硬件了。
>
> Lite有什么具体的想法吗？
>
> > ;--------------------------------------------------
> > June 9th, 12:06
> >
> > I banged out two open hardware designs this week, designed for use with
> > the OLPC XO laptops.
> >
> > The first is the XOrduino, a stripped down low-cost Arduino-compatible
> board
> > that plugs right into the XO's USB ports. But wait, there's more: it's
> also
> > compatible with the Scratch Sensor Board, so you can use this device to
> > control Scratch (and Turtle Art?). It should be compatible with the
> Arduino
> > IDE and all Arduino Leonardo-compatible shields.
> >
> > The board uses mostly through-hole parts, with one exception, and there
> are
> > only 20 required components for the basic Arduino functionality, costing
> > about $5 (from digikey, quantity 100). It is reasonable for local labor
> or
> > even older kids to assemble by hand.
> >
> > It's open hardware: Eagle design files are on github (schematic PDF, pcb
> > PDF). I expect to have a small number of boards in a few weeks; let me
> know
> > if you'd like one in exchange for help with hardware and software
> bring-up.
> > Schematic and layout review also appreciated (I did the PCB routing late
> at
> > night under time pressure leaning heavily on autoroute, it's certainly
> not
> > the prettiest). And feedback from Arduino and Arduino shield hackers
> would
> > also be welcome.
> >
> > If $5 per student is too much money, there's also the XO Stick, my second
> > board. It's based on the AVR Stick using the ATtiny85 processor and costs
> > only $1/student. It's not quite as user-friendly as the
> Arduino-compatible
> > board, but it can also be used to teach simple lessons in embedded
> > electronics. For $0.12 more you can populate an ATtiny261A and get 13 I/O
> > ports; this variant should be powerful enough to program other XO Sticks
> and
> > perform XO maintenance tasks (accessing the serial console, debricking a
> > laptop via SPI flash). The XO Stick is even easier for a kid to assemble
> > themself: only 8 required components, all through-hole. (Sadly, my
> desire to
> > shave every penny off the cost of this design meant that I couldn't use
> some
> > of the symmetry tricks I invented for a 2012 Mystery Hunt puzzle to make
> the
> > circuit impossible to assemble incorrectly.)
> >
> > Same deal as the XOrduino: design files on github (schematic PDF, pcb
> PDF);
> > I expect to have a few boards available to people who want to help make
> some
> > software for them. Schematic and layout review is also appreciated!
> >
> >
> >
> > _______________________________________________
> > OLPC-Asia mailing list
> > OLPC-Asia at lists.laptop.org
> > http://lists.laptop.org/listinfo/olpc-asia
> >
>
>
>
> --
> Xin Wang (http://dram.me/)
>
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