[arm-allstar] Radio-Less node at W3RWN
Randy Neals
randy at neals.ca
Sat Jul 11 12:19:48 EST 2015
Inside photo under construction
http://tinyurl.com/ot3zpp5
On Sat, Jul 11, 2015 at 10:02 AM, Randy Neals <randy at neals.ca> wrote:
>
> Picture of my Radio-Less AllStar Node at W3RWN in Seattle - #28709.
>
> *http://tinyurl.com/owwsbjf <http://tinyurl.com/owwsbjf>*
> Behind the front panel is a Repeater-Builder USB-RIM audio interface.
> I drilled holes in the chassis panel so the LEDs on the USB-RIM would be
> visible.
> The plastic case of the USB-RIM is hot glued to the back of the chassis
> panel.
>
> Inside is a Beaglebone Black, a 12vdc to 5vdc converter, a small audio
> amplifier and a speaker.
> The DTMF mic is a $19 eBay special - GE/MA-Com mic made by Shure.
> The speaker is from a cheap pair of computer speakers and happened to fit
> the grill pattern in the case.
>
> Mic PTT line is connected to the USB-RIM COS input line.
> There is a jumper on the USB-RIM that provides a pull-up voltage.
>
> The complete unit runs from 12 volts. It draws about 260ma at idle, and
> around 300ma peak, I'm running it from a 12vdc 2amp wall-wart.
>
> Hope to try it over 4G LTE Internet connection this weekend.
> Would like to see if I can make this work reliably from my car using a
> cell data connection.
>
> I usually have my Seattle node #28709 connected to my repeater in Ontario,
> VE3RTR node 2257.
> My Ontario call is VE3RWN)
>
> 73,
> Randy, W3RWN / VE3RWN
>
>
>
>
>
>
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