AMBE3000

In prep for the eventual Arduino upgrade to support DMR, I bought one of these AMBE3000 Arduino shields with the free LF audio board.
After soldering together the LF audio board, it sat on my desk for a few weeks as I had other things to do.

This past weekend I got time to actually figure out how to use it on DSTAR in order to test to make sure it’s working for when the DMR upgrade software/firmware is released.

So far so good. It works well on DSTAR even if the whole thing is a little clunky requiring 3 different windows to be open and running in order to use and control it.

AMBE3000 assembled and working.

Overview of the complete hardware to include external speaker and microphone.
That’s actually not a bad speaker at all. No crackling and I think it cost me a total of $10 years ago.

The three programs that musty be running for it to work on DSTAR.
NOTE: You just install and configure D-STAR Repeater and ircDDBGateway for Windows. The Remote Control program itself is part of the ircDDBGateway package.
And yes, that’s the Frankfurt, Germany skyline at night. I lived in that area for over a decade. I miss it so much.

This weekend I was listening to both the DMR TAC 310 net and the D-Star International Net at the same time and D-STAR audio sounded atrocious next to DMR.
Of course, if you dig down into the specs of both digital modes you’ll quickly see why…

submitted by /u/NonyaDB
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