[maemo-developers] N800 audio connector jack

[From: Kemal Hadimli]

1520 ohms.
headset button pressed it goes down to 47 ohms.

happy hacking.

On 9/5/07, Jami Pekkanen <jami.pekkanen at tkk.fi> wrote:
>  > I know of a pinout for a very similar device:
>  > http://web.it.kth.se/~maguire/iPAQ-photos/iPAQ-audio-adapter.html
>
> Thanks! That confirmed my info about the pinout. The PDF was "quite" in
> depth.
>
> Gopi Flaherty wrote:
> > On Sep 4, 2007, at 7:24 PM, Jami Pekkanen wrote:
> > Perhaps measuring the impedance of the headset first, then putting
> > resistors on to your device, and then taking them off one by one to see
> > which was necessary would work?
>
> I came to conclusion also, that there must be a resistor (after day of
> hacking, I'm not too great in electronics ;). Unfortunately I don't have
> a multimeter handy.
>
> Could somebody do a favor and measure the impedance between the third
> and the fourth pole (counting from the tip) of the headset's plug?
>
> - Jami
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-- 
Kemal