[App_rpt-users] usbfobs

[Greg Stahlman]

I just built one also using one of those.  Only thing I noticed is the ground (sleeve) on the input and output are NOT common!  In fact, one of them is connected direct to chassis ground and the other has a couple volts on it at high current (>400ma) so they CANNOT be tied together!  I just used the one connected to chassis as the common and it worked fine.   Everything else about it was great! 

 

From: app_rpt-users-bounces at ohnosec.org [mailto:app_rpt-users-bounces at ohnosec.org] On Behalf Of Mike - W5JR
Sent: Friday, May 27, 2016 4:41 PM
To: John Wagner
Cc: app_rpt-users at ohnosec.org
Subject: Re: [App_rpt-users] usbfobs

 

This looks very much like the ones sold at Fry's. I haven't bought one there in about a year. The last 2 I purchased had accessible chips. 

tnx

Mike / W5JR

Alpharetta GA


On May 27, 2016, at 1:13 PM, John Wagner <john at n8cd.com> wrote:

I built a portable node with this one a few weeks ago and it worked great. This is actually a CM119 chipset, not a CM108 but it still worked fine. 


http://www.amazon.com/StarTech-com-Virtual-Adapter-External-ICUSBAUDIO7/dp/B002DW91F8?ie=UTF8 <http://www.amazon.com/StarTech-com-Virtual-Adapter-External-ICUSBAUDIO7/dp/B002DW91F8?ie=UTF8&psc=1&redirect=true&ref_=oh_aui_detailpage_o03_s00> &psc=1&redirect=true&ref_=oh_aui_detailpage_o03_s00

There's probably cheaper, but at least you know this one works.

 - John, N8CD

 

 


Date: Fri, 27 May 2016 16:17:22 +1200
From: Steve Wright <info at meshnetworks.co.nz>
To: app_rpt mailing list <app_rpt-users at ohnosec.org>
Subject: [App_rpt-users] usbfobs
Message-ID: <5747CA52.1090004 at meshnetworks.co.nz>
Content-Type: text/plain; charset=utf-8; format=flowed

Does anyone have a reliable source of modifiable USB audio devices?

It's really really difficult to find hackable ones without buying one
here and there...


Steve




------------------------------

Message: 3
Date: Thu, 26 May 2016 23:14:50 -0700
From: Sam Skolfield <kj6qfs at gmail.com>
Cc: app_rpt mailing list <app_rpt-users at ohnosec.org>
Subject: Re: [App_rpt-users] usbfobs
Message-ID:
        <CALK+jHGK-xatE9WFTU9ag=f1aJuOtcxp+dUFsPjdKhRPx7jNQw at mail.gmail.com <mailto:f1aJuOtcxp%2BdUFsPjdKhRPx7jNQw at mail.gmail.com> >
Content-Type: text/plain; charset="utf-8"

Please share any findings with the group, many of us are looking for them
too...



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