[Noisebridge-discuss] packet radio arduino shield

[Michael Shiloh]

sounds good. i remember you telling me a bit about this. i'm not 
terribly familiar with ax.25 but want to learn more.

put me down for one of yours.

On 08/11/2010 02:48 PM, Josh Myer wrote:
> Not with the shield, but with the OpenTracker+.  His designs are pretty
> good, but they're kind of a pain to work with.  The Radio Shield looks
> better, but it's still not quite hackable enough for me.
>
> This is why I'm working on an all-software APRS/AX.25/AFSK1200 modulator
> for AVR.  The output stage is a 1b DAC: 2 resistors and a cap.  It's
> working, but the code needs a little bit of cleaning up.
> http://github.com/jbm9/ArdPRS .  I haven't started on receive, mostly
> because it's not something we're currently using in Project Bacchus.  It
> still has a few quirks (I think I know what they are), but you can see
> it getting into an IGate at http://aprs.fi/?call=kj6anm-11
>
> AFSK1200 is trivial enough that there really ought to be a totally
> open/Free modem/TNC by now.  I like Scott and his products, and
> appreciate his work (especially his excellent theory of operation
> documentation!), but it's time for the community to move past that.
> --
> Josh Myer 650.248.3796
> josh at joshisanerd.com <mailto:josh at joshisanerd.com>