I didn't address anything but the audio as I don't use the original Raduinos on any of my uBITX builds but I believe Farhan said it would work. ?The V4 board has the Raduino built with the NANO on the back side to keep it out of the way of the display for easier mounting.
W0EB
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Sent: 6/19/2018 11:08:45 AM
Subject: [BITX20] Audio questions on V4 board
How do the new V4 users like the audio? Is it clear, quiet? Is there enough audio if running a small speaker? I know what Farhan said in his audio description, but I'm looking for some real world results from new users of the V 4 board. I already have a version 3 board, and until yesterday when trying to get the click/pop fix board installed it worked great except for the lack of AGC and the pop TX/RX problem. Well, somehow some of the magic smoke escaped when testing it, now I have no TX or RX but the Raduino is still working as are other parts of the main board, (like the audio circuit and the relays). Rather than spending a lot of time trouble shooting the V3 board right now, I'm thinking of just dropping a new V4 board in the same case and plug all my stuff into it. Will the V4 board use my old Raduino?
Joel
N6ALT