I came across the attenuator problem chasing another problem ... probably didn't need to change U21 and U12 ...
?
Thank you all for your help.?
?
Tom
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Re: Latest FW PTT not working
Found issue not sure of cure!
The Mic 1/8 IN socket is not chassis grounded on grounded to Mic Ground on Audio Hat.
So PTT on mic panel jack is not chassis ground, and if you connect the Mic and PTT panel sleeves together there is no Chassis ground on PTT and no TX.
Seems PTT on Mic connector should not be used only PTT Panel socket and share it's ground with the Key Panel socket ground which is chassis ground.
Hope this makes sense.?
If you chassis ground the mic panel socket you loose the mic isolated ground.
Maybe I am missing something, happens quite often Hi.
?
Tim W4YN
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Re: T41-EP V12 Board Connections and Development of the VHF-UHF Board
Except that modules that have not been released yet are not part of the connection sheets.? Ask though if you are interested.? The big ones will be the Tuner, the 100W module, and the VHF-UHF module. ? ? Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ ? Owner - Operator Big Signal Ranch – K9ZC Staunton, Illinois ? Owner – Operator Villa Grand Piton – J68HZ Soufriere, St. Lucia W.I. Rent it: ? Moderator: North American QRO Group at Groups.IO. Moderator: Amateur Radio Builders Group at Groups.IO. ? email:? bill@... ? ?
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From: [email protected] <[email protected]> On Behalf Of Phil Taylor via groups.io
Sent: Monday, April 14, 2025 6:33 PM
To: [email protected]
Subject: Re: [AmateurRadioBuilders] T41-EP V12 Board Connections and Development of the VHF-UHF Board? On this page of Dr. Bills GitHub, you will find all of the interconnections: I just thought I would add this as there are separate Control Wiring and RF/AF wiring diagrams in that folder too. There are some of the connections on the "Full Options" diagram missing. Then then there are some power and control connections, which are only shown on the "Full Options" diagram, so you kind of have to mash all 3 diagrams together to the full picture. On Mon, Apr 14, 2025 at 03:17 AM, J P Watters wrote: Al and Jack could not have found a more capable pair to take the T41-EP project over the horizion into what we will find in the infinite Experimentation Beyond. I have searched but have not found a board interconnection diagram that shows how the VHF/UHF board is proposed to connect.? It seems like I have run across that but I need some guidance to find it.?
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Ah ok that’s for the clarification.? I had remembered that process working. ? ? Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ ? Owner - Operator Big Signal Ranch – K9ZC Staunton, Illinois ? Owner – Operator Villa Grand Piton – J68HZ Soufriere, St. Lucia W.I. Rent it: ? Moderator: North American QRO Group at Groups.IO. Moderator: Amateur Radio Builders Group at Groups.IO. ? email:? bill@... ? ?
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From: [email protected] <[email protected]> On Behalf Of Oliver KI3P via groups.io
Sent: Monday, April 14, 2025 4:02 PM
To: [email protected]
Subject: Re: [AmateurRadioBuilders] Attenuator problem? To be clear: the software is there to control the output attenuator. There was a bug when trying to use the menu to do so, but this does not affect any of the calibration routines.
-------- Original Message --------
On 4/14/25 3:36 PM, Jack, W8TEE via groups.io wrote:
On Monday, April 14, 2025 at 04:27:21 PM EDT, K9HZ <bill@...> wrote: Ok so the software wasn’t there to adjust the TX attenuator.? How the heck did Al calibrate the output power then? ? ? Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ ? Owner - Operator Big Signal Ranch – K9ZC Staunton, Illinois ? Owner – Operator Villa Grand Piton – J68HZ Soufriere, St. Lucia W.I. Rent it: ? Moderator: North American QRO Group at Groups.IO. Moderator: Amateur Radio Builders Group at Groups.IO. ? email:? bill@... ? ? ? Added the following at line 748 of : ? ? ? ? ? ? SetRF_OutAtten(adjuster); The version on GitHub should be able to set the TX attenuation now -- can't test it myself unfortunately. On Monday, April 14th, 2025 at 2:56 PM, Oliver KI3P via groups.io <oliver@...> wrote: I'm away from my radio at the moment. Can someone with a working radio confirm that this affects them too? Will take a look at the code tonight and see if I can find anything obvious.
-------- Original Message --------
On 4/14/25 1:33 PM, K9HZ wrote:
Good question… the TX attenuator should work the same way… so either there is a bug in the software… or there is a problem with the MCP23017. Since the RX side works I think its probably a bug in the code. Oliver will know. ? ? Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ ? Owner - Operator Big Signal Ranch – K9ZC Staunton, Illinois ? Owner – Operator Villa Grand Piton – J68HZ Soufriere, St. Lucia W.I. Rent it: ? Moderator: North American QRO Group at Groups.IO. Moderator: Amateur Radio Builders Group at Groups.IO. ? email:? bill@... ? ? ? V12.6 RF board. 'Menu/RF Set/RF in Atten' works fine, I get the appropriate 3.3v at pins 21 - 26 as adjustments are made. But 'RF Out Atten' doesn't work the same. I don't see any voltage on pins 1 - 6 as adjustments are made. What am I missing?
?
--
Jack, W8TEE
|
To be clear: the software is there to control the output attenuator. There was a bug when trying to use the menu to do so, but this does not affect any of the calibration routines.
-------- Original Message -------- On 4/14/25 3:36 PM, Jack, W8TEE via groups.io wrote:
??
On Monday, April 14, 2025 at 04:27:21 PM EDT, K9HZ <bill@...> wrote:
Ok so the software wasn’t there to adjust the TX attenuator.? How the heck did Al calibrate the output power then? ? ? Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ ? Owner - Operator Big Signal Ranch – K9ZC Staunton, Illinois ? Owner – Operator Villa Grand Piton – J68HZ Soufriere, St. Lucia W.I. Rent it: ? Moderator: North American QRO Group at Groups.IO. Moderator: Amateur Radio Builders Group at Groups.IO. ? email:? bill@... ? ? ? Added the following at line 748 of : ? ? ? ? ? ? SetRF_OutAtten(adjuster); The version on GitHub should be able to set the TX attenuation now -- can't test it myself unfortunately. On Monday, April 14th, 2025 at 2:56 PM, Oliver KI3P via groups.io <oliver@...> wrote:
I'm away from my radio at the moment. Can someone with a working radio confirm that this affects them too? Will take a look at the code tonight and see if I can find anything obvious.
-------- Original Message --------
On 4/14/25 1:33 PM, K9HZ wrote:
Good question… the TX attenuator should work the same way… so either there is a bug in the software… or there is a problem with the MCP23017. Since the RX side works I think its probably a bug in the code. Oliver will know. ? ? Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ ? Owner - Operator Big Signal Ranch – K9ZC Staunton, Illinois ? Owner – Operator Villa Grand Piton – J68HZ Soufriere, St. Lucia W.I. Rent it: ? Moderator: North American QRO Group at Groups.IO. Moderator: Amateur Radio Builders Group at Groups.IO. ? email:? bill@... ? ? ? V12.6 RF board. 'Menu/RF Set/RF in Atten' works fine, I get the appropriate 3.3v at pins 21 - 26 as adjustments are made. But 'RF Out Atten' doesn't work the same. I don't see any voltage on pins 1 - 6 as adjustments are made. What am I missing?
?
-- Jack, W8TEE
|
Latest FW PTT not working
ALL was fine until I tried SSB TX.
PTT will not go into TX, CW keys up just fine.
I went directly to 1/8 input socket and tried grounding PTT there and still no luck.
Tim?
W4YN
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??
On Monday, April 14, 2025 at 04:27:21 PM EDT, K9HZ <bill@...> wrote:
Ok so the software wasn’t there to adjust the TX attenuator.? How the heck did Al calibrate the output power then? ? ? Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ ? Owner - Operator Big Signal Ranch – K9ZC Staunton, Illinois ? Owner – Operator Villa Grand Piton – J68HZ Soufriere, St. Lucia W.I. Rent it: ? Moderator: North American QRO Group at Groups.IO. Moderator: Amateur Radio Builders Group at Groups.IO. ? email:? bill@... ? ?
From: [email protected] <[email protected]> On Behalf Of Oliver KI3P via groups.io
Sent: Monday, April 14, 2025 2:41 PM
To: [email protected]
Subject: Re: [AmateurRadioBuilders] Attenuator problem ? Added the following at line 748 of : ? ? ? ? ? ? SetRF_OutAtten(adjuster); The version on GitHub should be able to set the TX attenuation now -- can't test it myself unfortunately. On Monday, April 14th, 2025 at 2:56 PM, Oliver KI3P via groups.io <oliver@...> wrote:
I'm away from my radio at the moment. Can someone with a working radio confirm that this affects them too? Will take a look at the code tonight and see if I can find anything obvious.
-------- Original Message --------
On 4/14/25 1:33 PM, K9HZ wrote:
Good question… the TX attenuator should work the same way… so either there is a bug in the software… or there is a problem with the MCP23017. Since the RX side works I think its probably a bug in the code. Oliver will know. ? ? Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ ? Owner - Operator Big Signal Ranch – K9ZC Staunton, Illinois ? Owner – Operator Villa Grand Piton – J68HZ Soufriere, St. Lucia W.I. Rent it: ? Moderator: North American QRO Group at Groups.IO. Moderator: Amateur Radio Builders Group at Groups.IO. ? email:? bill@... ? ? ? V12.6 RF board. 'Menu/RF Set/RF in Atten' works fine, I get the appropriate 3.3v at pins 21 - 26 as adjustments are made. But 'RF Out Atten' doesn't work the same. I don't see any voltage on pins 1 - 6 as adjustments are made. What am I missing?
?
-- Jack, W8TEE
|
Hi David: You might also want to join our site, too. ( /g/SoftwareControlledHamRadio) There is a boatload of information there plus a lot of stuff in the Wiki and Files sections that might be of interest. Al and I are the originators of the T41 and we just finished the final update on a book about it:
 You don't need to buy the book as most of the T41 info is on the site. However, most people think it's a pretty good intro to DSP with a "minimal math" discussion of what makes SDR's work. Read some of the reviews of the book and see what you think. The second edition has about 150 reviews, but this update to the 3rd Ed. just came out about two seeks ago.
Enjoy!!
Jack, W8TEE
On Monday, April 14, 2025 at 02:49:59 PM EDT, David Dill via groups.io <dsdill@...> wrote:
Hi everyone.
?
Just getting started with this amazing group and I wanted to write a quick note of introduction.
I have long been a kit builder and tinkerer with electronics.? My first real success was a Wilderness Sierra that I built back in 1996.? I've been hooked ever since.? For the past year or so I have been running a Hermes Lite with Thetis and have been totally amazed by what it can do.
?
I have absolutely no formal electronics knowledge and have always just figured stuff out at my own pace.? I am really looking forward to building the T41 modules, learning about SDTs and getting to know the folks in this community.
?
I live in Colorado Springs, Colorado.? If there is anyone near me that is a part of this group and would be interested in gathering for a meet up to talk shop and compare notes, let me know by emailing me directly, off the forum.
?
Thanks to everyone who makes this amazing learning opportunity and community possible.
?
73
David Dill
W0NP
dsdill@...
-- Jack, W8TEE
|
I can control output power. Am not near my T41 so can’t test voltages dave, n3ds
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On Apr 14, 2025, at 3:41?PM, Oliver KI3P via groups.io <oliver@...> wrote:
? Added the following at line 748 of : ? ? ? ? ? ? SetRF_OutAtten(adjuster);
The version on GitHub should be able to set the TX attenuation now -- can't test it myself unfortunately.
On Monday, April 14th, 2025 at 2:56 PM, Oliver KI3P via groups.io <oliver@...> wrote:
I'm away from my radio at the moment. Can someone with a working radio confirm that this affects them too? Will take a look at the code tonight and see if I can find anything obvious.
-------- Original Message -------- On 4/14/25 1:33 PM, K9HZ wrote: Good question… the TX attenuator should work the same way… so either there is a bug in the software… or there is a problem with the MCP23017. Since the RX side works I think its probably a bug in the code. Oliver will know. ? ? Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ ? Owner - Operator Big Signal Ranch – K9ZC Staunton, Illinois ? Owner – Operator Villa Grand Piton – J68HZ Soufriere, St. Lucia W.I. Rent it: ? Moderator: North American QRO Group at Groups.IO. Moderator: Amateur Radio Builders Group at Groups.IO. ? email:? bill@... ? ? ? V12.6 RF board. 'Menu/RF Set/RF in Atten' works fine, I get the appropriate 3.3v at pins 21 - 26 as adjustments are made. But 'RF Out Atten' doesn't work the same. I don't see any voltage on pins 1 - 6 as adjustments are made. What am I missing?
|
Ok so the software wasn’t there to adjust the TX attenuator.? How the heck did Al calibrate the output power then? ? ? Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ ? Owner - Operator Big Signal Ranch – K9ZC Staunton, Illinois ? Owner – Operator Villa Grand Piton – J68HZ Soufriere, St. Lucia W.I. Rent it: ? Moderator: North American QRO Group at Groups.IO. Moderator: Amateur Radio Builders Group at Groups.IO. ? email:? bill@... ? ?
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From: [email protected] <[email protected]> On Behalf Of Oliver KI3P via groups.io
Sent: Monday, April 14, 2025 2:41 PM
To: [email protected]
Subject: Re: [AmateurRadioBuilders] Attenuator problem? Added the following at line 748 of : ? ? ? ? ? ? SetRF_OutAtten(adjuster); The version on GitHub should be able to set the TX attenuation now -- can't test it myself unfortunately. On Monday, April 14th, 2025 at 2:56 PM, Oliver KI3P via groups.io <oliver@...> wrote:
I'm away from my radio at the moment. Can someone with a working radio confirm that this affects them too? Will take a look at the code tonight and see if I can find anything obvious.
-------- Original Message --------
On 4/14/25 1:33 PM, K9HZ wrote:
Good question… the TX attenuator should work the same way… so either there is a bug in the software… or there is a problem with the MCP23017. Since the RX side works I think its probably a bug in the code. Oliver will know. ? ? Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ ? Owner - Operator Big Signal Ranch – K9ZC Staunton, Illinois ? Owner – Operator Villa Grand Piton – J68HZ Soufriere, St. Lucia W.I. Rent it: ? Moderator: North American QRO Group at Groups.IO. Moderator: Amateur Radio Builders Group at Groups.IO. ? email:? bill@... ? ? ? V12.6 RF board. 'Menu/RF Set/RF in Atten' works fine, I get the appropriate 3.3v at pins 21 - 26 as adjustments are made. But 'RF Out Atten' doesn't work the same. I don't see any voltage on pins 1 - 6 as adjustments are made. What am I missing?
?
|
When RX_BPF is LOW/FALSE/0, S21 between J23 and J18 (assuming receive is bridged to transmit in the TR switch) should be low, meaning less than -45 dB. That's what is shown in the plot on the right.
When U8 was blown S21 was actually between -3 and -8 dB.
On Monday, April 14th, 2025 at 3:28 PM, jerry-KF6VB <jerry@...> wrote:
On 2025-04-13 14:45, Oliver KI3P via groups.io wrote:
Hi Jerry,
I posted the measurement I used to prove that U8 was bad here:
/g/SoftwareControlledHamRadio/message/33289
*** So - you did this measurement with RX_BPF_SEL = False, right?
-Jerry, KF6VB
|
Added the following at line 748 of : ? ? ? ? ? ? SetRF_OutAtten(adjuster);
The version on GitHub should be able to set the TX attenuation now -- can't test it myself unfortunately.
On Monday, April 14th, 2025 at 2:56 PM, Oliver KI3P via groups.io <oliver@...> wrote:
I'm away from my radio at the moment. Can someone with a working radio confirm that this affects them too? Will take a look at the code tonight and see if I can find anything obvious.
-------- Original Message -------- On 4/14/25 1:33 PM, K9HZ wrote: Good question… the TX attenuator should work the same way… so either there is a bug in the software… or there is a problem with the MCP23017. Since the RX side works I think its probably a bug in the code. Oliver will know. ? ? Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ ? Owner - Operator Big Signal Ranch – K9ZC Staunton, Illinois ? Owner – Operator Villa Grand Piton – J68HZ Soufriere, St. Lucia W.I. Rent it: ? Moderator: North American QRO Group at Groups.IO. Moderator: Amateur Radio Builders Group at Groups.IO. ? email:? bill@... ? ? ? V12.6 RF board. 'Menu/RF Set/RF in Atten' works fine, I get the appropriate 3.3v at pins 21 - 26 as adjustments are made. But 'RF Out Atten' doesn't work the same. I don't see any voltage on pins 1 - 6 as adjustments are made. What am I missing?
|
On 2025-04-13 14:45, Oliver KI3P via groups.io wrote: Hi Jerry,
I posted the measurement I used to prove that U8 was bad here:
/g/SoftwareControlledHamRadio/message/33289
*** So - you did this measurement with RX_BPF_SEL = False, right? -Jerry, KF6VB
|
Music to my ears! Thanks Bill!
David?
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On Apr 14, 2025, at 12:53?PM, K9HZ via groups.io <bill@...> wrote:
? Hi David!? Welcome aboard!?? I shipped your boards today so you can get started in about 3 days! ? ? Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ ? Owner - Operator Big Signal Ranch – K9ZC Staunton, Illinois ? Owner – Operator Villa Grand Piton – J68HZ Soufriere, St. Lucia W.I. Rent it: ? Moderator: North American QRO Group at Groups.IO. Moderator: Amateur Radio Builders Group at Groups.IO. ? email:? bill@... ? ? ? Just getting started with this amazing group and I wanted to write a quick note of introduction. I have long been a kit builder and tinkerer with electronics.? My first real success was a Wilderness Sierra that I built back in 1996.? I've been hooked ever since.? For the past year or so I have been running a Hermes Lite with Thetis and have been totally amazed by what it can do. I have absolutely no formal electronics knowledge and have always just figured stuff out at my own pace.? I am really looking forward to building the T41 modules, learning about SDTs and getting to know the folks in this community. I live in Colorado Springs, Colorado.? If there is anyone near me that is a part of this group and would be interested in gathering for a meet up to talk shop and compare notes, let me know by emailing me directly, off the forum. Thanks to everyone who makes this amazing learning opportunity and community possible.
|
I'm away from my radio at the moment. Can someone with a working radio confirm that this affects them too? Will take a look at the code tonight and see if I can find anything obvious.
toggle quoted message
Show quoted text
-------- Original Message -------- On 4/14/25 1:33 PM, K9HZ wrote: Good question… the TX attenuator should work the same way… so either there is a bug in the software… or there is a problem with the MCP23017.?? Since the RX side works I think its probably a bug in the code.? Oliver will know. ? ? Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ ? Owner - Operator Big Signal Ranch – K9ZC Staunton, Illinois ? Owner – Operator Villa Grand Piton – J68HZ Soufriere, St. Lucia W.I. Rent it: ? Moderator: North American QRO Group at Groups.IO. Moderator: Amateur Radio Builders Group at Groups.IO. ? email:? bill@... ? ? ? V12.6 RF board. 'Menu/RF Set/RF in Atten' works fine, I get the appropriate 3.3v at pins 21 - 26 as adjustments are made. But 'RF Out Atten' doesn't work the same. I don't see any voltage on pins 1 - 6 as adjustments are made. What am I missing?
|
Hi David!? Welcome aboard!?? I shipped your boards today so you can get started in about 3 days! ? ? Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ ? Owner - Operator Big Signal Ranch – K9ZC Staunton, Illinois ? Owner – Operator Villa Grand Piton – J68HZ Soufriere, St. Lucia W.I. Rent it: ? Moderator: North American QRO Group at Groups.IO. Moderator: Amateur Radio Builders Group at Groups.IO. ? email:? bill@... ? ?
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From: [email protected] <[email protected]> On Behalf Of David Dill via groups.io
Sent: Monday, April 14, 2025 1:49 PM
To: [email protected]
Subject: [AmateurRadioBuilders] introduction? Just getting started with this amazing group and I wanted to write a quick note of introduction. I have long been a kit builder and tinkerer with electronics.? My first real success was a Wilderness Sierra that I built back in 1996.? I've been hooked ever since.? For the past year or so I have been running a Hermes Lite with Thetis and have been totally amazed by what it can do. I have absolutely no formal electronics knowledge and have always just figured stuff out at my own pace.? I am really looking forward to building the T41 modules, learning about SDTs and getting to know the folks in this community. I live in Colorado Springs, Colorado.? If there is anyone near me that is a part of this group and would be interested in gathering for a meet up to talk shop and compare notes, let me know by emailing me directly, off the forum. Thanks to everyone who makes this amazing learning opportunity and community possible.
|
Hi everyone.
?
Just getting started with this amazing group and I wanted to write a quick note of introduction.
I have long been a kit builder and tinkerer with electronics.? My first real success was a Wilderness Sierra that I built back in 1996.? I've been hooked ever since.? For the past year or so I have been running a Hermes Lite with Thetis and have been totally amazed by what it can do.
?
I have absolutely no formal electronics knowledge and have always just figured stuff out at my own pace.? I am really looking forward to building the T41 modules, learning about SDTs and getting to know the folks in this community.
?
I live in Colorado Springs, Colorado.? If there is anyone near me that is a part of this group and would be interested in gathering for a meet up to talk shop and compare notes, let me know by emailing me directly, off the forum.
?
Thanks to everyone who makes this amazing learning opportunity and community possible.
?
73
David Dill
W0NP
dsdill@...
|
Good question… the TX attenuator should work the same way… so either there is a bug in the software… or there is a problem with the MCP23017.?? Since the RX side works I think its probably a bug in the code.? Oliver will know. ? ? Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ ? Owner - Operator Big Signal Ranch – K9ZC Staunton, Illinois ? Owner – Operator Villa Grand Piton – J68HZ Soufriere, St. Lucia W.I. Rent it: ? Moderator: North American QRO Group at Groups.IO. Moderator: Amateur Radio Builders Group at Groups.IO. ? email:? bill@... ? ?
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From: [email protected] <[email protected]> On Behalf Of Tom - AJ8X via groups.io
Sent: Monday, April 14, 2025 1:14 PM
To: [email protected]
Subject: [AmateurRadioBuilders] Attenuator problem? V12.6 RF board. 'Menu/RF Set/RF in Atten' works fine, I get the appropriate 3.3v at pins 21 - 26 as adjustments are made. But 'RF Out Atten' doesn't work the same. I don't see any voltage on pins 1 - 6 as adjustments are made. What am I missing?
|
V12.6 RF board. 'Menu/RF Set/RF in Atten' works fine, I get the appropriate 3.3v at pins 21 - 26 as adjustments are made. But 'RF Out Atten' doesn't work the same. I don't see any voltage on pins 1 - 6 as adjustments are made. What am I missing?
|
Re: [SoftwareControlledHamRadio] T41 V12 software development path forward
The book has that and I believe that the web site also has instructions on installing the Arduino IDE, the TeensyDuino, and the necessary libraries.
Jack, W8TEE
On Sunday, April 13, 2025 at 06:28:04 PM EDT, jerry-KF6VB <jerry@...> wrote:
On 2025-04-13 15:09, David Fine wrote: Oliver et al,
I second the need for a step by step guide of what software to use, It wouldn't take much to make the software "standalone". That is - being able to distribute it as a binary/hex file instead of making everybody compile the source. I believe that all that would be needed would be to make the callsign, ITU region, and grid square into EEPROM data. Let people enter it at the radio. - Jerry, KF6VB
-- Jack, W8TEE
|
Tom - AJ8X
K9HZ
Jack, W8TEE