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Re: Is AMBE chip needed for D-RATS?


 

On 3/30/2015 9:52 AM, David Ranch dstar@... [d-rats_group] wrote:

Hello John,

Yes, this looks like a great place to start and considering there are
Rpi & BeagleBone images available, that might be a super easy way to
try. The thing you'll need to figure out is how get D-Rats to use the
available Dstar stack. I suppose two serial ports could be used but
there must be a way to interconnect them virtually.
From the computer API view, it seems to look like a repeater node, so by running a ratflector on that computer linked to that software, an unmodified d-rats client should just work.

The site is back up. They had a power failure over the weekend.

Unfortunately some of the products that would be of direct interest for this project do not appear to be available in kit or assembled form.

is a GMSK modem with a standard serial port. Should be easy to write a program to translate from a ratflector i/o to what gets transferred to and from the radio.

I can not find this product for sale though. Full schematics and such are available on the site.


is a re-implementation of the original GMSK node adapter. One modification of interest here is that it presents an RS-232 data port that outputs the same data stream as is available from the serial port of an Icom D-star radio.

I also can not find this product for sale either. Full schematices, etc are available on the site.

What they do have is the mini-hotspot, but that is missing the serial port and apparently needs a special USB driver, which limits it to Linux and Windows at the present time.

I can find other versions of that mini-hotspot for sale in the same price range. It seems that if I go the hardware route, a Raspberry Pi based solution is currently looking the most attractive.

Regards,
-John

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