Date   
Expanding the Bitx Experience

KN2Z <mwcarpe@...>
 

In an effort to get the Bitx experience to as many as possible, a group has been created on the MeWe social media platform. 
As far as I can tell, this is the only one on MeWe so far.
All here are invited to join.
https://mewe.com/join/everythingbitx

Re: Items For Sale uBITX V4 new -plus #filters #ubitx

Andrea KC0LKV
 

Would sale the case alone?

Re: getting the uBitx on FT8

Don - KM4UDX
 

Mark — I used your procedures as well. Works grand. Question — given we have a cheap USB sound card dongle, can I remove the audio isolation txfmrs?

Re: Easy desoldering of relays (& other multi-pin devices)

Joe Puma
 

I good suction desolder tool got most of the solder off for me on the relay. It removed it so well I was able to remove the relays with a wiggle and they broke free. 

Joe
Kd2nfc 


On Jul 18, 2019, at 8:28 AM, Michael Walker <va3mw@...> wrote:

Hi Gerry

Find some Chipquik.  It makes desoldering a breeze.  I've even pulled multipin CPU's from boards with it.


Mike va3mw


On Thu, Jul 18, 2019 at 4:47 AM gerrykav via Groups.Io <gerrykav=yahoo.co.uk@groups.io> wrote:
I recently changed out the relays on my v0.3 uBiTX, and since for whatever reason I cannot get wick to remove all the solder, no matter what iron I use and how much flux, I thought I might try another method. There are a number of low-temperature solder products, the most famous/common, being ChipQuik. They are basically an alloy that includes indium or gallium which when added to a solder joint, drastically lowers the melting point. What this means is that you can melt the solder at each leg of a device, and by the time you have gotten to the last leg, the first will still be molten, which means the device just pulls free. The risk to the device and to the board is greatly reduced.
If anyone is having difficulty, or is apprehensive about replacing the relays, this may be a good solution.
/ Gerry

Re: Easy desoldering of relays (& other multi-pin devices)

Michael Walker
 

Hi Gerry

Find some Chipquik.  It makes desoldering a breeze.  I've even pulled multipin CPU's from boards with it.


Mike va3mw


On Thu, Jul 18, 2019 at 4:47 AM gerrykav via Groups.Io <gerrykav=yahoo.co.uk@groups.io> wrote:
I recently changed out the relays on my v0.3 uBiTX, and since for whatever reason I cannot get wick to remove all the solder, no matter what iron I use and how much flux, I thought I might try another method. There are a number of low-temperature solder products, the most famous/common, being ChipQuik. They are basically an alloy that includes indium or gallium which when added to a solder joint, drastically lowers the melting point. What this means is that you can melt the solder at each leg of a device, and by the time you have gotten to the last leg, the first will still be molten, which means the device just pulls free. The risk to the device and to the board is greatly reduced.
If anyone is having difficulty, or is apprehensive about replacing the relays, this may be a good solution.
/ Gerry

Easy desoldering of relays (& other multi-pin devices)

Gerry Kavanagh
 

I recently changed out the relays on my v0.3 uBiTX, and since for whatever reason I cannot get wick to remove all the solder, no matter what iron I use and how much flux, I thought I might try another method. There are a number of low-temperature solder products, the most famous/common, being ChipQuik. They are basically an alloy that includes indium or gallium which when added to a solder joint, drastically lowers the melting point. What this means is that you can melt the solder at each leg of a device, and by the time you have gotten to the last leg, the first will still be molten, which means the device just pulls free. The risk to the device and to the board is greatly reduced.
If anyone is having difficulty, or is apprehensive about replacing the relays, this may be a good solution.
/ Gerry

Re: getting the uBitx on FT8

Nick Tile
 

Lots of useful info - many thanks to all. Hopefully meet you all on FT8 shortly !!

73s, N

Re: getting the uBitx on FT8

Mark Hatch
 

And also cut the 5v wire on the USB or your Raduino will always be powered by your computer.

Mark

Re: getting the uBitx on FT8

Mark Hatch
 

Skip,

I purchased a cheap usb hub and sound card from ebay (total $$$ < $10 delivered). Installed them within the ubitx case and working fine on ft8.

Tricks:
1. use KD8CEC CAT control for transmitter (ptt)
2. Added a dpdt switch on the wire to the speaker. When it is in "ft8" mode, the sound goes into the mic of the usb sound card. when it is in "normal" mode, sound goes to the speaker
3. Wired the speaker of the sound card into the mic
4. Used shielded cables for input/output to sound card
5. Made sure that the internal hub the UBITX *was not* connected to another hub. To get it to work, had to directly connect the USB cable out of the UBITX to my NUC.
6. Direct connect to com port on the windows machine. Could *not* reliably use omnirig.
7. had to set to USB mode in WJSTx
8. Used none in WJSTX for Rig vs Fake It option.

That should get you online. (Don't forget that volume controls the receive level of wjstx)

73
mark
AJ6CU

Re: Items For Sale uBITX V4 new -plus #filters #ubitx

Mark Hatch
 

I will take 1 of each if that offer is available.

Paypal address?

73
Mark
Aj6CU

Re: getting the uBitx on FT8

Skip Davis
 

Thanks Mike for the interface solution PDF you put together it’s very useful. I’ve been meaning to build one again I just needed a schematic. I built a similar one for packet I just can’t recall what I did with it or what I did with the schematic.

Skip Davis, NC9O 

On Jul 17, 2019, at 22:16, K5ESS via Groups.Io <k5ess.nothdurft@...> wrote:

FWIW here’s my solution.  See attached.

Mike

K5ESS

 

From: BITX20@groups.io [mailto:BITX20@groups.io] On Behalf Of Nick Tile
Sent: Wednesday, July 17, 2019 9:28 AM
To: BITX20@groups.io
Subject: [BITX20] getting the uBitx on FT8

 

Hi Guys,I was planning to put my uBitx on FT8 - no problem with an interface for the audio, but puzzled as to how best to drive the PTT. I've installed Ian's Firmware which seems to be CAT compliant but I can't see if it drives the PTT or if I need to install a USB - Serial interface. Interested to know how you've done it ? 

Nick

<K5ESS Easy Digi.pdf>

Re: getting the uBitx on FT8

K5ESS
 

FWIW here’s my solution.  See attached.

Mike

K5ESS

 

From: BITX20@groups.io [mailto:BITX20@groups.io] On Behalf Of Nick Tile
Sent: Wednesday, July 17, 2019 9:28 AM
To: BITX20@groups.io
Subject: [BITX20] getting the uBitx on FT8

 

Hi Guys,I was planning to put my uBitx on FT8 - no problem with an interface for the audio, but puzzled as to how best to drive the PTT. I've installed Ian's Firmware which seems to be CAT compliant but I can't see if it drives the PTT or if I need to install a USB - Serial interface. Interested to know how you've done it ? 

Nick

Re: getting the uBitx on FT8

 

Audio isolation is recommended, the cec software spoofs as a ft-817 I have run it without issue many times.
--
David

 N8DAH
Kit-Projects.com

Shop is open!

Re: 630 meters band

K9SMO <Steveo250k@...>
 

No, it is not.  If the designer intended mu for micro, then using m would be milli.  Using M would be Mega.  I don't know what U is but u is close enough to the Greek letter mu.  Farhan calls is micro B I T x.  uBITx is close enough.  My eyes aren't so good that I can miss the little tail.

He published a YouTube video where HE titled it uBITX (https://www.youtube.com/watch?v=j-yLof4sTtE&t=1s)  If it's good enough for the designer, it's good enough for me.

Items For Sale uBITX V4 new -plus #filters #ubitx

Lawrence Macionski
 

Also posted (with pictures) on QRZ.com ONLINE SWAP MEET.
W8LM-For Sale, this is all uBITX related stuff. FOR SALE - uBITX V4 new in box- with AGC & T/R pop boards from K5BCQ (no longer available. AND http://amateurradiokits.in/store/metal-enclosures - universal case DA grey for uBITX. Also new in the box. Entire package paypal shipped CONUS. All for $225 paypal shipped CONUS. Last weekend at a hamfest I found a FT-817 estate sale which does everything and more but was more $$$. PM me or use my QRZ.com email address. Pickup less- QTH near, Wichita, KS.

I also have VK4PP bare boards--- https://vk4pp.blogspot.com

3 each VK4PP RaduinoI2C Board it has PTT pop fix built in. $10

3 each VK4PP BITX audio break out boards. $4

3 Each VK4PP 3.5 mhz high pass filter board for BC QRM $3

3 Each VP4PP LM 386 based 200 Hz CW filter..$4

VK4PP is currently all SOLD OUT except audio breakout.

PAYPAL CONUS only! Contact my QRZ.com email.

1 each of all 4 boards - $20 paypal. USPS 1st class mail.

Re: getting the uBitx on FT8

Nick Tile
 

ah, that would imply that the PTT is driven through the USB port so is in software - I was wondering, thank you. There seem to be mixed views as to whether one should include isolation transformers in the audio chain so I was planning to build the simple interface that seems to be everywhere and includes them

N

Re: getting the uBitx on FT8

_Dave_ K0MBT
 

The arduino usb port plugs straight into the computer usb. I would reccomend a separate usb sound card for audio.
73
dave
K0mbt

getting the uBitx on FT8

Nick Tile
 

Hi Guys,I was planning to put my uBitx on FT8 - no problem with an interface for the audio, but puzzled as to how best to drive the PTT. I've installed Ian's Firmware which seems to be CAT compliant but I can't see if it drives the PTT or if I need to install a USB - Serial interface. Interested to know how you've done it ? 

Nick

Re: 630 meters band

Lawrence Galea
 

I answered because Doug asked about "many are calling the µBITX  UBITX"


On Tue, Jul 16, 2019 at 9:14 PM Vince Vielhaber <vev@...> wrote:
Talk about hijacking a thread.  The Greek alphabet has ZERO to do with
his question about 630 meters.

While the uB is capable of receiving 630, you'd have to add your own
bandpass filters.  I remember someone asking about transmitting down
there once before but don't remember what the answer was.

Vince - K8ZW.

On 07/16/2019 01:17 PM, Lawrence Galea wrote:
> Very easy to use the Greek micro symbol.
> just install the Greek keyboard and you can swap between keyboards.
> The letter M becomes the Greek letter μ
> L becomes the Greek letter lambda λ
> Same with other letters.
> Enjoy
>
>
> On Tue, Jul 16, 2019 at 6:31 PM Doug W <dougwilner@...
> <mailto:dougwilner@...>> wrote:
>
>     On Tue, Jul 16, 2019 at 11:06 AM, Skip Davis wrote:
>
>         What is a mbitx?
>
>     Many are calling the µBITX  UBITX.  While convenient, it is not
>     technically correct.  Ashhar named the radio µ as in micro.  Since
>     most keyboards do not have a µ and at least on windows going to the
>     character map to cut and paste is a hassle and remembering Alt + 230
>     is not the top of most folk's life goal lists, we substitute.  While
>     *u* looks closer I think *m* is closer to the designer's intention.
>
>     --
>     www.bitxmap.com <http://www.bitxmap.com>
>
>

--
   K8ZW  http://www.metalworkingfun.com   http://www.hamradio.fun



Re: sketch for Bitx40 with the encoder #arduino #bitx40help #bitx40 #nano

SaMa photo SaMa photo
 

Thanks AA9GG I had seen them too, the problem is that the first is only for the encoder and should be integrated and I am not able
The second one has some problems in the compilation and uses so many functions that I don't have type cw, swr etc.