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Re: My new sbitx case

 

Just the ends and the display bezel were 3d printed?
?
Re: My new sbitx case

 

Perfect size for viewing and especially other digital pgm. Looks great!.

Was the case partly 3d printed?

Joe

VE1BWV?

On Tue, Oct 29, 2024, 5:04?p.m. William Hemmingsen via <lee.hemmingsen=gmail.com@groups.io> wrote:

Finished my sbitx case today.? The screen is a 10.4" 1600x720 WIDE display.? I went without encoders.? I still need to add some vents, but without them, my PI runs about 54 degrees C.
Re: My new sbitx case

 

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Nice job

Gerry Sherman

Sent by the Windows 11 Thunderbird

On 2024-10-29 20:03, William Hemmingsen wrote:

Finished my sbitx case today.? The screen is a 10.4" 1600x720 WIDE display.? I went without encoders.? I still need to add some vents, but without them, my PI runs about 54 degrees C.
My new sbitx case

 

Finished my sbitx case today.? The screen is a 10.4" 1600x720 WIDE display.? I went without encoders.? I still need to add some vents, but without them, my PI runs about 54 degrees C.

464961841_8600004023419818_1703863969147365280_n.jpg
465061090_8600004193419801_3569333874359129067_n.jpg
465164936_8600004410086446_8783595041590527050_n.jpg

Re: NBFM (Was: AM on sBITX?)

 

It would be really NICE to have it added to the sBitx....
Gordon KX4Z


On Tue, Oct 29, 2024 at 8:54?AM WP3DN via <3voltios=gmail.com@groups.io> wrote:
Rafael,?
?
How to add it to sbitx software.
Did not explain myself right. I have a 2m radio using the sbitx software. That is why I asked about the fm mode.
?
Juan WP3DN
Re: NBFM (Was: AM on sBITX?)

 

Rafael,?
?
How to add it to sbitx software.
Did not explain myself right. I have a 2m radio using the sbitx software. That is why I asked about the fm mode.
?
Juan WP3DN
Re: NBFM (Was: AM on sBITX?)

 

Most of SDR software already has NBFM. Do you want to implement it yourself?

- Rafael

On 10/29/24 10:49 AM, WP3DN wrote:
Rafael,
But how to add the mode is the question.
Juan WP3DN

OpenPGP_signature.asc
OpenPGP_signature.asc

Re: NBFM (Was: AM on sBITX?)

 

I was considering taking this on a month or so back,
But I have not yet had the time to commit to the project due to other responsibilities.
?
?
?
Re: NBFM (Was: AM on sBITX?)

 

Rafael,?
?
But how to add the mode is the question.
?
Juan WP3DN
Re: NBFM (Was: AM on sBITX?)

 

But why are you not using NBFM with sBitx? Its bandwidth is by far much wider than what is needed for NBFM.

- Rafael PU2UIT

On 10/29/24 2:14 AM, WP3DN wrote:
Rafael,
I also have a 2m working system. If you would like to test any implementation of nbfm or any other mode let me know.
Juan WP3DN

OpenPGP_signature.asc
OpenPGP_signature.asc

Re: Looking for flow diagram of the audio paths for sBitx v2 or v3

 

Sidetone is not used.

The module of the loopback or the wm8731? It is basically read and write to the device, there is no mux in the driver. If you want we can make a call I can explain what I did, and may be it will help you. Pipewire integration is an option indeed, but not the only one. Keeping just with alsa is also an option, as both pipewire and pulseaudio both can talk directly to the alsa API. I'm not an experto on the ham-radio ecosystem, so I'm not really sure if using a sound daemon is a good option. My first bet is keeping it simple - just ALSA.

- Rafael

On 10/28/24 8:53 PM, JJ - W9JES wrote:

Thanks for replying. It seems complicated to many of us especially when tiering 3rd party applications.
There is some trickery going on in software that controls the Wolfson module loaded into Linux. There is a MUX for line in/out audio The capture mix mutes on TX and the mater volume is boosted. What is sidetone used for?
I understand how the loopbacks are controlled and used. It's the module to linux to software piece that has me confused.

OpenPGP_signature.asc
OpenPGP_signature.asc

Re: NBFM (Was: AM on sBITX?)

 

Rafael,?
?
I also have a 2m working system. If you would like to test any implementation of nbfm or any other mode let me know.
?
Juan WP3DN
Re: FT8 sBitx v3 v4.01 Power Output

 

On Sun, Oct 27, 2024 at 01:44 AM, Kevin wrote:
This morning, I ran JS8Call with drive/power set to 25 watts
Kevin, pull the JS8Call "Power Slider" down to around -28dB to start with, about a quarter way up from the bottom.? At max on the power slider you will over drive the system.
?
I run my naitve sbitx at 33 on the "DRIVE" dial and with the JS8Call slider way down I get a nice 5 to 7 watts on the ATU meter.?
--
Pete VK3PYE
Re: FT8 sBitx v3 v4.01 Power Output

 

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It’s even more sloped than a pure percentage. 50% percent means 50% of the voltage, not the power. The power will be 1/2×1/2 of peak or 1/4 of peak. When you’re at 25% you will have 1/16 of the possible if the unit can go there?



On Oct 28, 2024, at 12:52, Kevin via groups.io <cepagmetram@...> wrote:

?
Oh snap, you're right.? The units for that field must be percentage and not watts like I was thinking.? I cranked it to '50' and it does show much higher on the power meter and the sbitx app now shows something other than zero.
Re: NBFM (Was: AM on sBITX?)

 

Not yet... I'd love to see NBFM on this platform so I can effectively use my transverter for other modes.
Re: Looking for flow diagram of the audio paths for sBitx v2 or v3

 

Thanks for replying. It seems complicated to many of us especially when tiering 3rd party applications.?
?
There is some trickery going on in software that controls the Wolfson module loaded into Linux. There is a MUX for line in/out audio The capture mix mutes on TX and the mater volume is boosted. What is sidetone used for?
?
I understand how the loopbacks are controlled and used. It's the module to linux to software piece that has me confused.
Re: Looking for flow diagram of the audio paths for sBitx v2 or v3

 

Hi JJ,

I wrote the software we use from scratch, so I understand it very well, and it is not complicated, indeed, I can not imagine something simpler than the sbitx. What are exactly your questions?

radio rx -> WM8731 in?(one side of stereo) -> software
mic -> WM8731 in?(other side of stereo) -> software
software -> WM8731 out (one side of stereo) -> radio tx
software -> WM8731 out (other side of stereo) -> earphones / speaker

Farhan's reference implementation also uses alsa audio loopback - it just "plugs" to the rx and tx through software, of course using proper conversions when needed.

Cheers,
Rafael Diniz

On 10/28/24 7:37 PM, JJ - W9JES wrote:
I am trying to figure out the unnecessarily, complicated audio plumbing for the sBitx v2 and v3. Has found or attempted to reverse engineer this?
Re: Looking for flow diagram of the audio paths for sBitx v2 or v3

 

Forgot to mention is that the main reason for understanding this current architecture is to convert it over to pipwire. I need to understand how and what it's doing before making changes.
?
Looking for flow diagram of the audio paths for sBitx v2 or v3

 

I am trying to figure out the unnecessarily, complicated audio plumbing for the sBitx v2 and v3. Has found or attempted to reverse engineer this?
?
Re: FT8 sBitx v3 v4.01 Power Output

 

Oh snap, you're right.? The units for that field must be percentage and not watts like I was thinking.? I cranked it to '50' and it does show much higher on the power meter and the sbitx app now shows something other than zero.
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