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One more question. Looking at the supplied converter on Amazon, I see a pin labeled "enable". How is this utilized by sbitx?
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From: BITX20@groups.io <BITX20@groups.io> on behalf of Evan Hand via groups.io <elhandjr@...>
Sent: Monday, February 17, 2025 10:58 AM
To: BITX20@groups.io <BITX20@groups.io>
Subject: Re: [BITX20] No sbitx power to pi
?
Michael,
?
I suggest filing a claim with HFSignals on their website.
?
Alternatively, you could purchase a replacement with headers on Amazon:
Converter:
?
Header:
?
You will have extra parts.? I do not know of a lower-count choice on Amazon.??
?
The output needs to be set to 5.2 volts using the variable setting.? Unless you have experience with electronic repair, I suggest you get the correct part preset from HFSignals.
?
Some posts point out the shortcomings of the supplied converter, especially if going to the 64-bit upgrade.? I suggest installing a higher current device if you want to upgrade like this one:
?
73
Evan
AC9TU
-- Mike - K8MCB?
|
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Thanks Evan-?
?Okay, I may be better off with a beefier converter since I will also need to power the atu-100 I am incorporating into the build. I just want to get rid of the usb-c connection to the pi.
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Show quoted text
From: BITX20@groups.io <BITX20@groups.io> on behalf of Evan Hand via groups.io <elhandjr@...>
Sent: Monday, February 17, 2025 10:58 AM
To: BITX20@groups.io <BITX20@groups.io>
Subject: Re: [BITX20] No sbitx power to pi
?
Michael,
?
I suggest filing a claim with HFSignals on their website.
?
Alternatively, you could purchase a replacement with headers on Amazon:
Converter:
?
Header:
?
You will have extra parts.? I do not know of a lower-count choice on Amazon.??
?
The output needs to be set to 5.2 volts using the variable setting.? Unless you have experience with electronic repair, I suggest you get the correct part preset from HFSignals.
?
Some posts point out the shortcomings of the supplied converter, especially if going to the 64-bit upgrade.? I suggest installing a higher current device if you want to upgrade like this one:
?
73
Evan
AC9TU
-- Mike - K8MCB?
|
Evan- Do you happen to know which pins on the header are the 12v,5v,grnd pins? Or have a schematic that shows this?
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From: BITX20@groups.io <BITX20@groups.io> on behalf of Evan Hand via groups.io <elhandjr@...>
Sent: Monday, February 17, 2025 8:28 AM
To: BITX20@groups.io <BITX20@groups.io>
Subject: Re: [BITX20] No sbitx power to pi
?
Hi Mike,
A 5-volt buck converter plugs into the motherboard and supplies power to the RPi and other 5-volt components. Verify that it is seated correctly and has voltage in and out.
?
The converter is in the Blue outline:
?
73
Evan
AC9TU
-- Mike - K8MCB?
|
Re: sBitx --> Transverter for 2m/70cm SSB/CW
From: Ashhar Farhan via groups.io
Sent: Sunday, February 16, 2025 6:17 AM
To: BITX20@groups.io
Subject: Re: [BITX20] sBitx --> Transverter for 2m/70cm
SSB/CW
?
You can install gpredict on sbitx!
On Sun, Feb 16, 2025, 8:20 AM Gordon Gibby KX4Z
via
<docvacuumtubes@...> wrote:
One of our local "satellite gurus" Ron Lewis KN4ZUJ has clued me into the
CSN SAT-TRACKER device that has the ability to simultaneously control Yaesu
Rotators to track satellites, and send CAT commands over CI-V (open collector
bidirectional) to very high-end ICOM transceivers. to adjust the RECEIVER
frequency for the doppler shift (I gather people leave their transmitter fixed
-- but I'm very new at this).
?
I had difficulty finding public domain solutions that did both these
functions.? The solutions that were being built in the 2009-2010 era
seemed to do one or the other and ground to a halt.
?
The CSN SAT TRACKER produces open collector output (to control high-end
ICOM VHf/UHF radios).?? I think my UART input? (see: /g/BITX20/wiki/36015 )? ICOM-emulator
raspberry pi simple program (see: /g/BITX20/wiki/36021 ) could read those CAT
commands from the SAT-TRACKER and then perform the proper translation to the
ten-meter band where the "receiver" portion of a full-duplex
dual-sBitx/dual-transverter system were connected.??? That
would then allow for the proper adjustment of receiver frequency to account
for the doppler shift; while the SAT TRACKER simultaneously control the az-el
rotators to point at the satellite. ?
So that may be a viable set of steps.?? Today I was able to
drive 2 hours and pick up some amazing aluminum tower components, and 17-foot
long VHF/UHF yagis.?? I don't think we need THAT for this project; a
much simpler set of antennas should do.?? We have some Yaesu
rotators.??? This isn't going to happy quickly, but with the
progress I made this weekend getting the transverter working, verifying
frequency accuracy, adding real TX/RX control, this may work eventually.
?
Gordon KX4Z
?
?
?
|
Michael,
?
I suggest filing a claim with HFSignals on their website.
?
Alternatively, you could purchase a replacement with headers on Amazon:
Converter:
?
Header:
?
You will have extra parts.? I do not know of a lower-count choice on Amazon.??
?
The output needs to be set to 5.2 volts using the variable setting.? Unless you have experience with electronic repair, I suggest you get the correct part preset from HFSignals.
?
Some posts point out the shortcomings of the supplied converter, especially if going to the 64-bit upgrade.? I suggest installing a higher current device if you want to upgrade like this one:
?
73
Evan
AC9TU
|
Not there either. I've looked anywhere that it could possibly be, 3x now.
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Show quoted text
-------- Original message --------
From: "sa7buj via groups.io" <sa7buj@...>
Date: 2/17/25 12:11 PM (GMT-05:00)
To: BITX20@groups.io
Subject: Re: [BITX20] No sbitx power to pi
Maybe under the circuit board?
?
-- Mike - K8MCB?
|
Maybe under the circuit board?
?
|
Already have, twice. No luck
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Show quoted text
-------- Original message --------
From: "Gordon Gibby KX4Z via groups.io" <docvacuumtubes@...>
Date: 2/17/25 12:07 PM (GMT-05:00)
To: BITX20@groups.io
Subject: Re: [BITX20] No sbitx power to pi
Look around and see if it was in the packaging or something?
Gordon KX4Z
On Mon, Feb 17, 2025 at 11:16?AM Michael Bales via
<mikebales73= msn.com@groups.io> wrote:
Ahhh. I apparently didn't receive this module, not sure why. Thank you!
-------- Original message --------
Date: 2/17/25 10:28 AM (GMT-05:00)
Subject: Re: [BITX20] No sbitx power to pi
Hi Mike,
A 5-volt buck converter plugs into the motherboard and supplies power to the RPi and other 5-volt components. Verify that it is seated correctly and has voltage in and out.
?
The converter is in the Blue outline:
?
73
Evan
AC9TU
--
Mike - K8MCB?
-- Mike - K8MCB?
|
I have checked everywhere, box, all packaging materials, the area where I opened it, trash... no luck
toggle quoted message
Show quoted text
-------- Original message --------
From: "sa7buj via groups.io" <sa7buj@...>
Date: 2/17/25 11:20 AM (GMT-05:00)
To: BITX20@groups.io
Subject: Re: [BITX20] No sbitx power to pi
Maybe it has fallen off?
Check in the case.
-- Mike - K8MCB?
|
Look around and see if it was in the packaging or something? Gordon KX4Z
On Mon, Feb 17, 2025 at 11:16?AM Michael Bales via <mikebales73= msn.com@groups.io> wrote:
Ahhh. I apparently didn't receive this module, not sure why. Thank you!
-------- Original message --------
Date: 2/17/25 10:28 AM (GMT-05:00)
Subject: Re: [BITX20] No sbitx power to pi
Hi Mike,
A 5-volt buck converter plugs into the motherboard and supplies power to the RPi and other 5-volt components. Verify that it is seated correctly and has voltage in and out.
?
The converter is in the Blue outline:
?
73
Evan
AC9TU
--
Mike - K8MCB?
|
Maybe it has fallen off?
Check in the case.
|
Ahhh. I apparently didn't receive this module, not sure why. Thank you!
toggle quoted message
Show quoted text
-------- Original message --------
From: "Evan Hand via groups.io" <elhandjr@...>
Date: 2/17/25 10:28 AM (GMT-05:00)
To: BITX20@groups.io
Subject: Re: [BITX20] No sbitx power to pi
Hi Mike,
A 5-volt buck converter plugs into the motherboard and supplies power to the RPi and other 5-volt components. Verify that it is seated correctly and has voltage in and out.
?
The converter is in the Blue outline:
?
73
Evan
AC9TU
-- Mike - K8MCB?
|
Re: sBitx --> Transverter for 2m/70cm SSB/CW
Well, after trying quite unsuccessfully to download and install (compile) gpredict, with lots of complaints that my (ancient) setup is out of date and missing this and that......I discovered it is already available and installed and accessible under the HAM tab on the sBitx menu!? ?DUH!
But the screen won't allow me to get to the bottom of some of the configuration dialogs, to click "add" or "OK" or such, so I'm stopped until an adapter arrives so I might be able to move this to a monitor screen with more pixels.? ?But it looks like what I need, is already there!
I couldn't see any other way to get around the fixed-size of some of the gpredict windows......maybe there is a solution I just don't know about.? ?Adapter cable should arrive tomorrow
Gordon KX4Z
Gordon,
My statement is also from AMSAT material!
Do continue your excellent work and keep us posted.?
After having left radio homebrewing over three decades back, I am?watching with great interest the ongoing work with BITX. When I came back to ham radio in 2023, I wanted very much to start with BITX. But it was not available here then and I bought?IC 2730A?for LEO satellites and FT-710 for HF.
73
Jon, VU2JO
On Mon, Feb 17, 2025 at 7:43?PM Gordon Gibby KX4Z via <docvacuumtubes= gmail.com@groups.io> wrote: Jon, I’m not sure about it either. I found it in a training document on the AMSAT website. I’m not sure it’s still true?
?
I don’t have firsthand knowledge
?
gordon?
|
Hi Mike,
A 5-volt buck converter plugs into the motherboard and supplies power to the RPi and other 5-volt components. Verify that it is seated correctly and has voltage in and out.
?
The converter is in the Blue outline:
?
73
Evan
AC9TU
|
I just received my sbitx v3 board only kit. After wiring up and powering on, I realized that the board wasn't powering the pi 4. Is this supposed to be, that the pi needs its own power source? If I use a proper power supply to the usb-c jack on the pi, all works fine. Any ideas as to what I need to look at?
K8MCB?
--
Mike - K8MCB?
|
Re: sBitx --> Transverter for 2m/70cm SSB/CW
Gordon,
My statement is also from AMSAT material!
Do continue your excellent work and keep us posted.?
After having left radio homebrewing over three decades back, I am?watching with great interest the ongoing work with BITX. When I came back to ham radio in 2023, I wanted very much to start with BITX. But it was not available here then and I bought?IC 2730A?for LEO satellites and FT-710 for HF.
73
Jon, VU2JO On Mon, Feb 17, 2025 at 7:43?PM Gordon Gibby KX4Z via <docvacuumtubes= gmail.com@groups.io> wrote:
Jon, I’m not sure about it either. I found it in a training document on the AMSAT website. I’m not sure it’s still true?
?
I don’t have firsthand knowledge
?
gordon?
|
Re: sBitx --> Transverter for 2m/70cm SSB/CW
Jon, I’m not sure about it either. I found it in a training document on the AMSAT website. I’m not sure it’s still true?
?
I don’t have firsthand knowledge
?
gordon?
|
Re: sBitx --> Transverter for 2m/70cm SSB/CW
Let me congratulate you first for the excellent job. A slight doubt about this statement "because a lot of the satellites have circular polarization already"
My impression was that most satellites have just linearly polarized antennas. But the orientation changes continuously as the satellite tumbles and spins in orbit. If you use circularly polarized antennas for reception, the chance of drop in signal due to cross polarization is lesser. If we use linearly polarized antennas, that is more.?
As a disclaimer, I use only linearly polarized antennas for LEO satellite operations, just because I do not have the luxury of a circularly polarized antenna and even a rotator!
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Jens/HB9JOI