[OLPC-Asia] xorduino项目

[Yalong Sun]

关注，貌似很便宜的样子。。

2012/6/12 lite li <litekok at gmail.com>

> 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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