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Further update. I was not launching sBitx from a startup script. It was launched from the desktop shortcut or the command line (via SSH). I had made a copy of the original SD card that came with my

Yes. I'm now trying to reproduce as much as possible the 32 bit setup you did (including, for example, compiling libfftw3 by hand). I'm installing from scratch again. I'll come back to this tomorrow,

Very interesting, Rafael, Do you mean you can hear the radio properly and only the spectrum doesn't work on 64 bit os? - f

Also, I would also not recommend loading snd-aloop from /etc/rc.local, but in the through the proper /etc/modules (module to load) and /etc/modprobe.d/... (for the module options file). I had no

Evan, Mine also, sbitx doesnt work at all on some boot ups. power off using rear switch and reboot generally solves problems. Sometime I launch 2 instances of sbitx and get a non functional screen

To add to Rafael's recommendation to add the noaudio in the config.txt, I have also found that at times I need to shut down the Sbitx, wait for the current to drop to the normal .3 amps, disconnect

Are you using any startup script to launch the radio on startup? This happens when I auto launch it on bootup. - f

Try this in the config.txt - substitute "dtoverlay=vc4-kms-v3d" by: dtoverlay=vc4-kms-v3d,noaudio

I have rebooted and restarted the radio several times and now I can't get it working (same problem as the original post). I don't have the HDMI connected, but I was using VNC. ?I disabled the VNC

Cold you post again the aplay output?

UPDATE After posting the above, I shut down the radio. I heard relays click loudly. In the past, that has meant that the WM8731 may work, so I started the radio up again and now it is working. ?I

Hi Mark, Can you try disconnecting HDMI and see if it works? The hdmi audio driver took place of the loopback devices. If it works, better blacklist the hdmi audio driver as a stop gap solution.

I fired up my sBitx DE with the latest v2 software and the waterfall is all on. In the past, I've seen this and it's been an issue communicating with the WM8731 If I start up sBitx via ssh, I see all

Andrea, The #define setting in the source code does not mean the HEX file was compiled from that sketch.? The correct HEX file is in the uBITXV5 folder.? The other folder, uBITXV234, is in the same

Hi Vic, I have installed version 1.2 which CEC indicated via Link on its site towards Github. The file is a compiled hex. From the same folder I also downloaded the source. In this I saw that the

Hello Trevor, Please send us a mail on sales@... and we will take it up from there. Thanks, Thomas

My bad. The audio was too low, I just changed the waterfall settings in fldigi and started seeing it. Yay, working! Will connect to antenna today. When using HEAD git in the sBitx v1 (dev edition),

I would also be interested in purchasing a board + enclosure so I can move the Pi + display from my Developer Edition to a v2 for portable operation, then back to the Developer Edition for

Rafael, Check that fldigi is showing the spectrum within its own window. If it is, the loopback is working. You can check the fldigi settings of audio card to see how it configured. - F

I picked up a SM AGC uBitx kit from Inkits.? Can I simply use pin 3 (ground) and pin 4 (vol-h) to feed the input on the audio in for this to work?? I've attached the schematic of the agc. If anyone