talking about 9k6 - GPIO

Jeremy McDermond mcdermj at
Mon May 9 13:44:01 PDT 2016

> On May 9, 2016, at 1:40 PM, Ken Koster <n7ipb at> wrote:
> On Monday, May 9, 2016 1:16:46 PM PDT Bill Vodall wrote:
>> One more note then back to some awesome tasks at work.
>> Had another idea.   Instead of working so hard to use pins from an
>> existing soundcard modem - why not go with a totally separate USB GPIO
>> widget.  Software to control it might be tricky - but not impossible.
> Software is trivial,  on linux it's already there.  See my comments below
>> This would have addition benefits as those pins could be used for
>> other things like blinking lights or turning GPS's on and off.
>> Both of these look interesting.  One has a nice connector strip, the
>> other is smaller and cheaper.
> I had one of those with me at breakfast a while back.  It was my test unit for 
> possible inclusion in my own version of the udrc.   It gives you both gpio and 
> serial in one unit (that's not obvious from the adafruit desc.)

But not at the same time.  See which says:

Note: When you enable MPSSE mode the serial UART driver will be disabled.  If you want to disable MPSSE mode and enable the serial UART again I'll show instructions at the end of the page.

> Maybe I should continue with my design since there seems to be a desire for 
> something not tied to an Rpi.    
> Specs:  USB device giving you serial rs-232 I/O,  stereo in/out,  two PTT 
> lines, several gpio and two CSQ lines.
> And No transformers.......
> -- 
> Ken - N7IPB
> Email: n7ipb at
> JID: n7ipb at
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> "I have now exceeded my BFS (Budget For Stupid) for the month" - Me to  WE7U
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Jeremy McDermond (NH6Z)
Xenotropic Systems
mcdermj at

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