schematic for olpc

[Michael Shiloh]

On 06/07/2010 06:46 AM, imm wrote:
>
> On 6 Jun 2010, at 21:42, Michael Shiloh wrote:
>
>> I'm interested in exploring the use of the microphone jack for other
>> input devices.
>>
>> Before I start plugging things in at random, I need to understand what
>> the circuitry at the input looks like.
>>
>> I assume the schematics can be found on the wiki, but I haven't been
>> able to locate them.
>>
>> Can someone point me at the right page?
>
> I doubt this is the "right" page, but the stuff that was done to create
> add-ons for Measure is probably relevant, though it does not show what's
> behind the mic jack, it does show examples of what folk did to get it
> working in DC-input mode for other input devices...
>
> http://wiki.laptop.org/go/Measure/Projects
>
> This might also be relevant...
>
> http://wiki.laptop.org/go/Audio_hardware
>
> Though I would guess you probably found both of those before anyway.

Actually, no, I hadn't; I was too fixated on what I was looking for.

Do you know the state of the Measure project? Their goals seem very 
close to mine.

Michael