[arm-allstar] FW: FOB Photos

[Lee]

Resent to attached photo x2.



-----Original Message-----
From: arm-allstar [mailto:arm-allstar-bounces at hamvoip.org] On Behalf Of "Lee
via arm-allstar"
Sent: Saturday, July 08, 2017 1:56 AM
To: 'ARM Allstar' <arm-allstar at hamvoip.org>
Cc: Lee <lee23942003 at yahoo.com.hk>; 'Doug Crompton' <wa3dsp at gmail.com>
Subject: Re: [arm-allstar] FOB Photos

Hello all

 

Let's share the idea to package the circuit. Attached is my one.

 

Br

VR2XKP

 

From: arm-allstar [mailto:arm-allstar-bounces at hamvoip.org] On Behalf Of
"Doug Crompton via arm-allstar"
Sent: Friday, July 07, 2017 11:25 PM
To: ARM Allstar <arm-allstar at hamvoip.org>
Cc: Doug Crompton <wa3dsp at gmail.com>
Subject: [arm-allstar] FOB Photos

 

Attached are examples of how to package the open board FOB. This shows using
a DB25 wired to emulate a DMK/URI. The USB connections are wired directly to
the board from a cut USB cable. The board is mounted on a sub board where
all of the connections are made. The two wires to the CM108 in the second
photo are fed under the row of pins from the right and tacked at the last
pin on the left.

I encourage you to make this a DIY project but the FOB shown here is being
made and is available for purchase. I hesitated to make this public as it is
more a service than a business and I don't want the producer to become
inundated!  




73 Doug

WA3DSP

http://www.crompton.com/hamradio

 

 

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