crowd-funded eco-conscious hardware: https://www.crowdsupply.com/eoma68
On Fri, Sep 16, 2016 at 10:24 AM, Vincent Legoll
> On Fri, Sep 16, 2016 at 4:48 AM, Luke Kenneth Casson Leighton
> <l...@lkcl.net> wrote:
> I've been searching on:
> (with a slight formatting fix, may need double check...)
you want http://hands.com/~lkcl/eoma/laptop_15in then check pcb1
directory for a schematic PDF (just generated yesterday).
> And I couldn't find what I wanted to know: are there GPIO (or anything
> else that can do) available on the laptop pcbs ?
there's very very little available, i had to use pretty much all of
them. there's a 6-pin header which is for I2C and UART - that's all.
that's the *only* spare pins. J1 in the above schematic.
> I ask in the context of the keyboard ligthing LED idea we discussed earlier.
> That would make some other laptop tinkering / modification ideas viable...
you could hang an I2C GPIO expander off the 6-pin port, but for god's
sake don't try to power the LEDs from the VREFTTL coming off that same
pin-header: take power from J4 instead.
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