Date   
Re: UBITX Touch Control TFT Display

Joe
 

Sure, we have already done this for the bitx40
And released software, videos etc
Under youtube vu2spf and facebook as well as here in the groups
They are for the bitx but the new code for ubitx has all the same features.

I have 2 of my 3 bitx running the basic same code. They work and look great.

http:// vu2spf.blogspot.ca

This has info etc on the code, features hardware
etc
The current posts are for Bitx and other projects.

The full UBITX info will be posted soon
Arduino sketch
Hardware options
Parts
There is an article in QRP magazine that was just released

It is currently working very well on 80, 40 tx rx
But we have some issues on 20, 17 15 tx.
Need a week or so to iron it out.

Rx ok all bands
We are hoping to add cat control next.
So far the radio is a very very quiet receiver.
Great signals comparing to good commercial rigs.

Joe
VE1BWV


On Fri, Jan 26, 2018, 6:23 PM Brien Wankel <brien@...> wrote:
Looks great! Any interest in providing some sort of "how-to" and code for guys like me who want to do this as well?

- Brien K7XPO


On Fri, Jan 26, 2018 at 3:14 PM, Joe <joeman2116@...> wrote:
Finishing up the case for my UBITX
The display provides full touch control along with physical optional buttons.
100 memory channels
Tuneable Bfo
Vfo A B M
All bands selectable from front display
Uses cheap tft touch displays i use a 2.8
Low cost - Atmega 2560 for lots of pins and better perfomance.
Si5351 for dds

More to come.......

Coded by VU2SPF 
Tech support VE1BWV

73
Joe
VE1BWV

First phase nearly completed


Re: Second batch of uBITX shipping? #ubitx

bill richardson
 

I ordered at 10am EST on 15 Dec but no shipping notice yet

Sent from my iPhone

On Jan 26, 2018, at 4:00 PM, Alan G4NMA <alan@...> wrote:

Same for me, ordered 15/12, notified of shipping today. 

Re: uBITx.net website

Arv Evans
 

Mike  ZL1AXG

Initially I was against starting other groups that focus on the BITX phenomena, but after seeing your web site
and what you are doing with it I am having second thoughts.  Your approach does have potential to lower
workload on moderators for the existing BITX20@groups.io discussion group.  That alone should make the
moderators very happy.  🤗

Presently the BITX@groups.io group covers everything from the initial BITX20 design by Farhan over 10 years
ago.  This includes several different BITX transceivers, some clones of BITX that do not bear the name, and
a lot of add-ons, modifications, and other bits of information.  Over those years we all have learned much,
made new friends, and had lots of fun.  Maybe it is time to spin off a group that is dedicated just to the uBITX
( micro-BITX) and things that only apply to it. 

Are you going to have a section for discussions, and a header that refers to this BITX20@groups.io mail handler,
and the http://www.groups.io/bitx20 site?
If you are going to have a discussion section, how are you going to handle those who wish to post the same
information on both groups (seems counter-productive).

There is also the issue of which site will be the "official BITX information repository" but maybe that will work
itself out with time and use. 

All this raises a question...how do you want us on the BITX20@groups.io to show existence of your web page? 
We can add it to the "Links" section but that only works for those who actually log in to the group itself.  Those
who only communicate with this group via Email will never see your URL. 
There is a "message footer" under Message Formatting.  Maybe this could be used to advertise your new uBITX
web site, but things would get messy if we were to do the same advertising for everything BITX.  Possibly
using that footer for advertising of your site for some limited period of time would work but it fails for those who
join this group after the advert has been removed.
I'm looking for some suggestions here?

I have BCC'ed this message to the other two moderators so that they can add their thoughts and comments.

Arv (1 of 3 moderators) K7HKL
_._




On Fri, Jan 26, 2018 at 2:38 PM, Mike Woods <mhwoods@...> wrote:
I note that there were almost 3,000 messages on this email list in December and we are currently at 2364 messages in January (and we are not quite to the end of the month!).  If you are not following the traffic, or come to the party late, trying to extract helpful information from the list is not straight forward! That's not to say that the list and the files section aren't helpful.  They are fantastic in fact for emergent discussion!  But a mail group is not the best way for anybody to source tried and true information about anything.  A website is much better at summarising known facts, to prevent endless redesign of the wheel, and answering the same newbie question over and over again.

I figured I should do something about this, so check out http://ubitx.net

The website is at an early stage of development.  It will contain two types of information to begin with - a summary of some of the more interesting items that arise from list discussion, presented as "news" items and a comprehensive guide to constructing and modding.  

You can subscribe to the RSS feed to get news updates.

News items from the last 3 days include:
  • a "top board" for the uBitx (from Martin AE7EU)
  • removing the audio pop on T/R - a new approach (from Gary N3GO)
  • a new CW keying fix (from John AD0RW)
  • a discussion on IRF510 stabilisation fixes (from several list members).

I figured that these news items should reference the actual iogroups list items.  I will update some of the news stories that don't yet reference the original item. The news items have been summarised and/or edited lightly.

The other type of information on the website is intended to be a comprehensive guide to purchasing, assembling, fixing and modding the uBitx.   Static pages will summarise everything that a builder needs to know about a particular issue or extension.   Options for mods will be presented with recommendations for which ones are popular/proven.  Currently, I have begun pages covering the following (many of these have yet to be finished ...):

There's a lot more to be covered, just in the getting started section.  For example:
  • Reverse voltage and over-current protection
  • Microphone options
  • Wiring up an internal speaker, with an external phone jack
  • Wiring up a paddle and straight key
  • Getting support when things go wrong

I look forward to:

  • comments about the website's purpose, layout and example content
  • ways to improve and extend the website further
  • offers of assistance (directly to me at mhwoods@... please)

This will be a moderated website. I want to avoid the situation where  bum advice is shared with others that makes life a misery.

This is about short-cutting research time and eliminating blind alleys that detract from operating or modding time!

I'm off to a Ham Radio BBQ hosted by NZART Kapiti Branch (about 1/2 hour from me).   I look forward to reading the mail later today!  Brickbats, bouquets and all!

73

Mike  ZL1AXG



--
Mike Woods
mhwoods@...

Re: UBITX Touch Control TFT Display

Brien Wankel
 

Excellent, thank you, Joe!

On Fri, Jan 26, 2018 at 4:13 PM, Joe <joeman2116@...> wrote:

Sure, we have already done this for the bitx40
And released software, videos etc
Under youtube vu2spf and facebook as well as here in the groups
They are for the bitx but the new code for ubitx has all the same features.

I have 2 of my 3 bitx running the basic same code. They work and look great.

http:// vu2spf.blogspot.ca

This has info etc on the code, features hardware
etc
The current posts are for Bitx and other projects.

The full UBITX info will be posted soon
Arduino sketch
Hardware options
Parts
There is an article in QRP magazine that was just released

It is currently working very well on 80, 40 tx rx
But we have some issues on 20, 17 15 tx.
Need a week or so to iron it out.

Rx ok all bands
We are hoping to add cat control next.
So far the radio is a very very quiet receiver.
Great signals comparing to good commercial rigs.

Joe
VE1BWV


On Fri, Jan 26, 2018, 6:23 PM Brien Wankel <brien@...> wrote:
Looks great! Any interest in providing some sort of "how-to" and code for guys like me who want to do this as well?

- Brien K7XPO


On Fri, Jan 26, 2018 at 3:14 PM, Joe <joeman2116@...> wrote:
Finishing up the case for my UBITX
The display provides full touch control along with physical optional buttons.
100 memory channels
Tuneable Bfo
Vfo A B M
All bands selectable from front display
Uses cheap tft touch displays i use a 2.8
Low cost - Atmega 2560 for lots of pins and better perfomance.
Si5351 for dds

More to come.......

Coded by VU2SPF 
Tech support VE1BWV

73
Joe
VE1BWV

First phase nearly completed


Re: uBITx.net website

Art Howard
 

👍

On 26 Jan 2018 3:38 pm, "Mike Woods" <mhwoods@...> wrote:
I note that there were almost 3,000 messages on this email list in December and we are currently at 2364 messages in January (and we are not quite to the end of the month!).  If you are not following the traffic, or come to the party late, trying to extract helpful information from the list is not straight forward! That's not to say that the list and the files section aren't helpful.  They are fantastic in fact for emergent discussion!  But a mail group is not the best way for anybody to source tried and true information about anything.  A website is much better at summarising known facts, to prevent endless redesign of the wheel, and answering the same newbie question over and over again.

I figured I should do something about this, so check out http://ubitx.net

The website is at an early stage of development.  It will contain two types of information to begin with - a summary of some of the more interesting items that arise from list discussion, presented as "news" items and a comprehensive guide to constructing and modding.  

You can subscribe to the RSS feed to get news updates.

News items from the last 3 days include:
  • a "top board" for the uBitx (from Martin AE7EU)
  • removing the audio pop on T/R - a new approach (from Gary N3GO)
  • a new CW keying fix (from John AD0RW)
  • a discussion on IRF510 stabilisation fixes (from several list members).

I figured that these news items should reference the actual iogroups list items.  I will update some of the news stories that don't yet reference the original item. The news items have been summarised and/or edited lightly.

The other type of information on the website is intended to be a comprehensive guide to purchasing, assembling, fixing and modding the uBitx.   Static pages will summarise everything that a builder needs to know about a particular issue or extension.   Options for mods will be presented with recommendations for which ones are popular/proven.  Currently, I have begun pages covering the following (many of these have yet to be finished ...):

There's a lot more to be covered, just in the getting started section.  For example:
  • Reverse voltage and over-current protection
  • Microphone options
  • Wiring up an internal speaker, with an external phone jack
  • Wiring up a paddle and straight key
  • Getting support when things go wrong

I look forward to:

  • comments about the website's purpose, layout and example content
  • ways to improve and extend the website further
  • offers of assistance (directly to me at mhwoods@... please)

This will be a moderated website. I want to avoid the situation where  bum advice is shared with others that makes life a misery.

This is about short-cutting research time and eliminating blind alleys that detract from operating or modding time!

I'm off to a Ham Radio BBQ hosted by NZART Kapiti Branch (about 1/2 hour from me).   I look forward to reading the mail later today!  Brickbats, bouquets and all!

73

Mike  ZL1AXG



--
Mike Woods
mhwoods@...

Re: uBITx.net website

David Arthur
 

Here's my unsolicited 0.02 USD.

Rename the Groups.io group to "bitx" (this is possible through the settings i think), create subgroups for each radio in the bitx family (bitx20, bitx40, ubitx, etc), and perhaps another subgroup for the Raduino and programming issues. There will still be a "main" group which could be used for announcements or general discussion, but subgroups would allow for users to subscribe to what interests them.

The wiki could very easily become the official bitx knowledge base, but it needs some TLC to get to that point.



--
David K4DBZ
Unofficial bitx chatroom: https://discord.gg/CrHvWFc

Re: UBITX Touch Control TFT Display

Art Howard
 

Wow I really like this 👍

On 26 Jan 2018 4:14 pm, "Joe" <joeman2116@...> wrote:
Finishing up the case for my UBITX
The display provides full touch control along with physical optional buttons.
100 memory channels
Tuneable Bfo
Vfo A B M
All bands selectable from front display
Uses cheap tft touch displays i use a 2.8
Low cost - Atmega 2560 for lots of pins and better perfomance.
Si5351 for dds

More to come.......

Coded by VU2SPF 
Tech support VE1BWV

73
Joe
VE1BWV

First phase nearly completed

Re: uBITx.net website

Arv Evans
 

David

This has been done to some limited extent through use of #hashtags within the group.
Others have set up #hashtags for specific topics within the group.
Problem with this is unless you actually log into https://groups.io/g/bitx20 you don't see
what #hashtags are already established.

You are correct about the wiki.  It needs very dedicated people to keep it up to date for
a fast moving group like this.

Arv 
_._


On Fri, Jan 26, 2018 at 4:46 PM, David Arthur <mumrah@...> wrote:
Here's my unsolicited 0.02 USD.

Rename the Groups.io group to "bitx" (this is possible through the settings i think), create subgroups for each radio in the bitx family (bitx20, bitx40, ubitx, etc), and perhaps another subgroup for the Raduino and programming issues. There will still be a "main" group which could be used for announcements or general discussion, but subgroups would allow for users to subscribe to what interests them.

The wiki could very easily become the official bitx knowledge base, but it needs some TLC to get to that point.



--
David K4DBZ
Unofficial bitx chatroom: https://discord.gg/CrHvWFc

Tuning clicks on bitx40 #bitx40help

radioant@...
 

Hi I'm Bob WB2TFG,
This is my first message on this group. I wanted to silence the tuning clicks on my bitx40. I have already tried putting the caps on the regulator and resistor on the power wire on the vfo and it didn't help the tuning clicks at all. So I looked at the output of the vfo with an oscilloscope and saw a large pulse coming out of the vfo when the tuning pot was turned. The pulse was about 2.5ms long with an amplitude of about 5volts. Could this be a software problem. Thanks from Bob Porter WB2TFG.

BitX40 Encoder

Fred WA0GMH
 

Does the Bitx40 come with a pot or an encoder?  I just got mine a few days ago and have a 10k pot, yet the wiring instructions talk about an encoder.  I'd expect the Raduino to use an encoder.

Thanks

Re: BitX40 Encoder

Fred WA0GMH
 

I misread the wiring instructions.  It appears that the Bitx40 comes with a pot and that you can add an encoder with other firmware loaded into the Arduino.

Re: uBITx.net website

Jim
 

What a fantastic beginning. Thanks so much. As a Johnny come lately to the group there are so many messages to try to follow and keep a coherent train of thought. This is going to be a big help. I hope it catches on. Thank you for what your doing.
73
Jim
wb4ctx

Re: batch shipping

Art Howard
 

Ordered mine on the 18th no word yet

On 26 Jan 2018 2:58 pm, "Alan G4NMA" <alan@...> wrote:
I ordered mine on 15th December. Received an email today saying it has been shipped.

Re: uBitx TX performance with frequency

K9HZ <bill@...>
 

“The overall gain dropped 6dB from 3.5 up to 30Mhz”  That’s a factor of FOUR.  So Let’s say the drive is 1 watt at 3.5 MHz… tailing off to 0.25 watt at 30 MHz  That’s an enormous difference.  I would expect 1 dB or less over the entire range and that can be accomplished a lot of different ways… either using good design parameters or at least an AGC.

 

 

Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ

 

Owner - Operator

Big Signal Ranch – K9ZC

Staunton, Illinois

 

Owner – Operator

Villa Grand Piton – J68HZ

Soufriere, St. Lucia W.I.

Rent it: www.VillaGrandPiton.com

Like us on Facebook! facebook icon

 

 

email:  bill@...

 

From: BITX20@groups.io [mailto:BITX20@groups.io] On Behalf Of Alex Buurlage
Sent: Friday, January 26, 2018 3:34 AM
To: BITX20@groups.io
Subject: Re: [BITX20] uBitx TX performance with frequency

 

This may be a futile attempt if the intermediate gain stages (pre-driver and drivers) fall off with frequency too.  I have not done this myself yet… still on my list… to actually publish a table showing the output at each stage with frequency to determine what needs attention BEFORE the PA.  Then a change to the PA makes full sense.

William, I made some measurements on the TX chain without the PA. In my case this is up to the 2N2219's as I use the original schematic. The overall gain dropped 6dB from 3.5 up to 30Mhz. This should have some influence but is not a huge problem. With the power drive input which the 2N2219's generate for the IRF's it was clear that the IRF's were hardly doing anything at the high frequencies. I've played around with bias inductors and different impedance levels at the gates of the IRF's but apart from increasing or decreasing the overall gain for all frequencies, there was not much change in frequency gain curve.
What influences most is the output transformer of the IRF's. The trifilair setup is a good starting point but I could optimize the PA efficiency by adding and removing a winding at the primary side of the transformer. (So one winding ends up bifilair.) It's not ideal though.

With the change to RD16HHF1 (not the HVF1) I have kept the FT43-37 output coil. It could be a bit small for this, so I ordered binocular coils with a slightly larger size (BN43-202) to use as an output transformer. Yes, it also helps that the RD16 series is desigined for 12 volts. The IRF's lose their lazyness at 24 volts.

I'll post the results of the experiments for those who said to be interested. I find it very interesting myself as well.

73, Alex
PA1FOX

Re: Tuning clicks on bitx40 #bitx40help

Jerry Gaffke
 

Probably not software.
There were some issues with etherkit libraries made available last spring,
the vco was getting reset each time the frequency changed.
But that was not a problem with the firmware shipped with the radio
using an earlier version of the etherkit libraries.
And not a problem for Allard's current firmware:  https://github.com/amunters/

You can hear tuning clicks with no antenna connected on most of these radios,
but the noise floor pretty much completely masks it with an appropriate antenna connected.

A 50 ohm resistor in the 12v lead to the raduino, plus caps to ground on both ends of that resistor
should be sufficient to stifle this.  If not, perhaps it has to do with how the wiring is routed
to the raduino.  Maybe arrange so the 12v and ground leads to the raduino leave from the same
region of the Bitx40, and place a cap across the two there.  Maybe an issue with length of leads,
or how the leads get routed.
 

On Fri, Jan 26, 2018 at 04:38 pm, <radioant@...> wrote:
Hi I'm Bob WB2TFG,
This is my first message on this group. I wanted to silence the tuning clicks on my bitx40. I have already tried putting the caps on the regulator and resistor on the power wire on the vfo and it didn't help the tuning clicks at all. So I looked at the output of the vfo with an oscilloscope and saw a large pulse coming out of the vfo when the tuning pot was turned. The pulse was about 2.5ms long with an amplitude of about 5volts. Could this be a software problem. Thanks from Bob Porter WB2TFG.

Re: Tuning clicks on bitx40 #bitx40help

Jerry Gaffke
 

5v for 2.5ms on the vfo does sound like it might be that etherkit vco reset from last spring.
What firmware do you have installed now?

Re: UBITX Touch Control TFT Display

AA7GW
 

Nice

Sent from my iPhone
AA7GW

On Jan 26, 2018, at 3:23 PM, Brien Wankel <brien@...> wrote:

Looks great! Any interest in providing some sort of "how-to" and code for guys like me who want to do this as well?

- Brien K7XPO

On Fri, Jan 26, 2018 at 3:14 PM, Joe <joeman2116@...> wrote:
Finishing up the case for my UBITX
The display provides full touch control along with physical optional buttons.
100 memory channels
Tuneable Bfo
Vfo A B M
All bands selectable from front display
Uses cheap tft touch displays i use a 2.8
Low cost - Atmega 2560 for lots of pins and better perfomance.
Si5351 for dds

More to come.......

Coded by VU2SPF 
Tech support VE1BWV

73
Joe
VE1BWV

First phase nearly completed
<20180125_200543.jpg>


Re: uBITx.net website

AA7GW
 

Great idea and initial layout; I am very supportive of doing this, but realize the extent of the effort and wonder how some of us can help?

Sent from my iPhone
AA7GW

On Jan 26, 2018, at 4:59 PM, Arv Evans <arvid.evans@...> wrote:

David

This has been done to some limited extent through use of #hashtags within the group.
Others have set up #hashtags for specific topics within the group.
Problem with this is unless you actually log into https://groups.io/g/bitx20 you don't see
what #hashtags are already established.

You are correct about the wiki.  It needs very dedicated people to keep it up to date for
a fast moving group like this.

Arv 
_._


On Fri, Jan 26, 2018 at 4:46 PM, David Arthur <mumrah@...> wrote:
Here's my unsolicited 0.02 USD.

Rename the Groups.io group to "bitx" (this is possible through the settings i think), create subgroups for each radio in the bitx family (bitx20, bitx40, ubitx, etc), and perhaps another subgroup for the Raduino and programming issues. There will still be a "main" group which could be used for announcements or general discussion, but subgroups would allow for users to subscribe to what interests them.

The wiki could very easily become the official bitx knowledge base, but it needs some TLC to get to that point.



--
David K4DBZ
Unofficial bitx chatroom: https://discord.gg/CrHvWFc


Re: IRF510 amplifier failures

K9HZ <bill@...>
 

The RD15HVF1 has a bit of a flatter input capacitance curve with frequency so its easier to keep constant gain over 1-54 MHz… but the RD16HHF1 is certainly a worthy part too.  Oh, did I mention, they are both real RF transistors?

 

 

Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ

 

Owner - Operator

Big Signal Ranch – K9ZC

Staunton, Illinois

 

Owner – Operator

Villa Grand Piton – J68HZ

Soufriere, St. Lucia W.I.

Rent it: www.VillaGrandPiton.com

Like us on Facebook! facebook icon

 

 

email:  bill@...

 

From: BITX20@groups.io [mailto:BITX20@groups.io] On Behalf Of James Lawrie
Sent: Friday, January 26, 2018 2:01 PM
To: BITX20@groups.io
Subject: Re: [BITX20] IRF510 amplifier failures

 

On same site I found these, made for 30 MHz RD16HHF1. Sooo I bought 10 of them, plan to try in Bix40 first. Data sheet even shows a reference amp design, and they are 12 volt like the other one. If it works I’ll let everyone know.

 

James Lawrie


On Jan 26, 2018, at 11:32, Jerry Gaffke via Groups.Io <jgaffke@...> wrote:

The RD15HVF1's should be operated at not much more than 12v.
At 12v, the IRF510's would survive just fine with no antenna connected.
That's an infinite VSWR.

So not obvious that this is a solution to blown FET's.
Though I do think the the Ids curves go up more slowly as Vgs increases on the RD15HF1's,
which makes RV2,RV3 not so touchy.
And the RD15HF1's might be easier to drive at 30mhz.
If you do swap them in, let us know how much power you get at 30mhz.

Jerry, KE7ER

On Fri, Jan 26, 2018 at 03:54 am, KD8CGH wrote:

Wouldn't it be better to change to a RD15HVF1 for high VSWR

Re: Caveat Emptor!

K9HZ <bill@...>
 

This was originally published by Jim Sheldon for figuring out the address of devices on the I2C.  A great help to me:

 

There is a little program out there called I2C Scanner that will run on the Nano and goes out looking for I2C addressee's on the bus

 

 

Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ

 

Owner - Operator

Big Signal Ranch – K9ZC

Staunton, Illinois

 

Owner – Operator

Villa Grand Piton – J68HZ

Soufriere, St. Lucia W.I.

Rent it: www.VillaGrandPiton.com

Like us on Facebook! facebook icon

 

 

email:  bill@...

 

From: BITX20@groups.io [mailto:BITX20@groups.io] On Behalf Of Jack Purdum via Groups.Io
Sent: Friday, January 26, 2018 6:24 PM
To: BITX20@groups.io
Subject: Re: [BITX20] Caveat Emptor!

 

I wasn't responding to John. The one I responded to, #40373, was on the same thread, and contained the quote that I posted. When I saw his post, I responded (#40375) . John jumped on me seven posts later (40382) because I mentioned the I2C issue, which are a problem for some OLED displays. Had he read back through the thread, he would have seen what I was responding to.

 

So, no, I'm not going to my room.

 

Jack, W8TEE

 


From: Vince Vielhaber <vev@...>
To: BITX20@groups.io
Sent: Friday, January 26, 2018 4:52 PM
Subject: Re: [BITX20] Caveat Emptor!

 

Now settle down or I'm sending you to your rooom without dinner!

John wasn't the one with the 0.92 displays.  Check your own post!

Vince.



On 01/26/2018 04:30 PM, Jack Purdum via Groups.Io wrote:
> "I have 5 of the small 0.92 inchdisplays but have not been able to get
> any of them to work. These are TWI or I2C interface
> and my Arduino does not recognize any."
>
> Before you get mouthy, check the initial post.
>
> Jack, W8TEE
>
>
> ------------------------------------------------------------------------
> *From:* John P <j.m.price@...>
> *To:* BITX20@groups.io
> *Sent:* Friday, January 26, 2018 4:00 PM
> *Subject:* Re: [BITX20] Caveat Emptor!
>
> On Fri, Jan 26, 2018 at 12:21 pm, Jack Purdum wrote:
>
>    Do you have the correct I2C address for the displays?
>
> They're not I2C displays; they're the 3.5: TFTs for the analyzed.
>
> --
> John - WA2FZW
>
>
>

--
  Michigan VHF Corp.  http://www.nobucks.net/   http://www.CDupe.com/
                          http://www.metalworkingfun.com


 

 

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