sound card with GPIO

Tom Hayward tom at
Wed Apr 19 08:20:24 PDT 2017

On Wed, Apr 19, 2017 at 5:58 AM, Scott Currie <scott.d.currie at> wrote:
> Haven't seen that one yet. The problem with GPIO is that neither UZ7HO or
> Direwolf support it for PTT. We need to lean on Andy and John some more.

A more specific question is what is a good sound card interface for
Direwolf? How is PTT usually handled? I'd like to replace a dead TNC
with Direwolf for improved decode and experimentation capability.

Since Direwolf is open source it's got to be pretty easy to add GPIO
support if that's what it comes to.


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