OT: Rotary phone front end for Neo (was: Re: 3 extra driver need to develop for GTA03)

Joerg Reisenweber joerg at openmoko.org
Thu May 29 20:01:37 CEST 2008

Am Do  29. Mai 2008 schrieb Michael Shiloh:
> Mike (mwester) wrote:
> > Michael Shiloh wrote:
> >>
> >> I used to own an ASR33. How would I use it with my Neo if we accept 
> >> your suggestion?
> >>
> >> :-)
> >>
> >> M
> >>
> >> p.s. it would have been quite a sight, an ASR33 connected via a Neo, 
> >> happily typing away with that wonderful sound only Teletypes can make...
> > 
> > Mine had a modem built-in; complete with the old rotary dial on the 
> > face.  I'd want the ability to dial a call on the Neo from that!
> Hmm, you're giving me ideas. I have about 10 old dial phones from which 
> I can remove the dials....
> Of course a dial cellphone has been done already, in fact I think you 
> can buy them from Sparkfun, but a custom job for the Neo might be fun...

Dirt simple: just connect the rotary pulse contacts to the HOLD-button of some 
headset. You can place the earpiece and mic of that headset in the handset of 
some old rotary dial phone :-) Count number of quick consecutive "presses" of 
HOLDbutton. That's all.

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