[arm-allstar] USB FOB Mods

[Don Espensen]

Add says will not ship to U.S. that's just weird.

Don

W7LHC

 

From: arm-allstar [mailto:arm-allstar-bounces at hamvoip.org] On Behalf Of
Peter via arm-allstar
Sent: Tuesday, August 2, 2016 3:52 AM
To: ARM Allstar
Cc: Peter
Subject: Re: [arm-allstar] USB FOB Mods

 

Hi Doug,

I ordered some of these to sample and confirm they work perfectly apart from
the fiddly soldering to pin 13 and 48.

http://www.ebay.com/itm/331861368411

 

73

Peter 
G7RPG

 

 

 

 

On 02/08/2016 05:13, Doug Crompton via arm-allstar wrote:

I have changed the link for the sound FOB on the FOB Mod howto's. The old
link was no longer valid. The new link shown should yield a good non potted
FOB. While there are probably other links out there that are cheaper there
is never any guarantee on any model that they are not potted but at least
for now the one mentioned looks good. It uses a CM119A.

We have been talking about this for awhile but Dave is hard at work on the
code for using other means to read and write PTT, COS and other bits
independent of the sound FOBS. This will allow unmodified FOBS to be used
along with another source for I/O. This will make it out in beta code in the
near future. Maybe not the next beta but if not soon after. One of the
current methods being tested is the Arduino Nano which is a <=$3 board
available from numerous sources. It plugs into a USB port and supplies many
I/O bits. A two node (two sound FOBS and Nano) system could be built for
less than $10 for the sound and control interfacing. This would also allow
many additional bits for other uses. Compare that to over $150 if you were
using DMK-URI's. It has long been a source of contention that a user can buy
a complete processor for $30 and then have to spend twice or more for a
rather simple radio interface. For many this should solve that problem. 

73 Doug
WA3DSP
http://www.crompton.com/hamradio






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