On Mar 2, 2005, at 7:26 AM, Daniel Morrigan wrote:
> Hello all,
> Some of you asked me to put together my thoughts about
> requirements for a VoIP gumstix.
> Project Requirements
> The device should be able to perform the following functions:
> 1. Audio output to headphone or earphone. (Done - Audiostix)
> 2. The means to record audio via microphone. (Done - Audiostix - A
> bit buggy)
Actually, should work OK now -- trying to get Gordon to publish
pictures/description of the red wire job to get mic working on the
existing line-in audiostix -- he's now ordering more boards which
include the change built-in, so once we get those, we'll have both
line-in-only and line-in-or-mic-in audiostix.
> 3. Push button answer. One button on the device. Add a button from a
> GPIO to VCC on the Audiostix.
Should be pretty easy to hook up using the unpopulated X4 connector on
the audiostix. Just reconfigure either Y0 or Y1 or both to be GPIOs,
and you have up to 4 switches or LEDs which can be read/controlled by
> 4. 802.11b compatible. (Done - Connex w/CF adapter)
> The software needed is very simple.
> 1. Web based configuration for the VoIP client (Done - Boa installed
> 2. Small footprint VoIP client that provides SIP or IAX
I think this last one is pretty much the only thing that's not
trivially easy or already there.
> I think that a device the size of a waysmall plus a 6V camera battery
> would be perfect size for a project like this. If someone could
> devise a circuit that would allow for inductive charging you could use
> a lithium ion rechargable battery instead of the camera battery.
Gordon's working on a lithium recharger circuit as I type.
> Would anyone be interested in assisting with a project like this?