Re: Startied using uBit-x-Happy-Happy
Hi Dave, yes I am excited about the touch screen.- Its called a NEXTION
Dr. Ian has several websites on how to wire up,
Here is where I bought on ebay.? I paid a little more because I wanted it sooner ($21)
Make sure you get the size you want- a 2.4" was all that would fit in mine, but they make 2.8", 3.2" it all the way to 7" (which is about $70)
Here is the url for Dr. Ian Lee's website (KD8CEC
Read everything before you start. There are step by step procedures. You have to download the software to the radino-then copy his software and download on a microdisc(about $10) and put the microdisk in the display to download that.
It took me about a day of fussing around.? I downloaded the hex fiiles to the arduino so I had to download the bootloader.? I think I could have used the arduino code from github, so I don't know why he perferes to work with Hex
Andy - KM4TRT
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Re: JackAl System Preview
Sounds great, except, and understanding I¡¯m in a minority of 1 here, the touch screen. I¡¯d love this tied to a menu if needed plus a 4X4 keypad or such. ¡
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On Sep 19, 2018, at 10:28 AM, Jack Purdum via Groups.Io <jjpurdum@...> wrote:
If we went to a screen that small, I think we'd drop the touch screen feature and do complete menu system. The costs aren't cheap compared to those display sizes (e.g., > $10 versus $34), but 5" at 800x480 is nothing to throw rocks at and is easier on the eyes for us old people. Also, quite a few have adopted the Nextion display and they cost twice as much as ours and are about half the size. Also, we give you an experimenters platform with a dozen empty pins and idle resources to play with (see feature set below). Also, we have a pretty robust feature set:
5¡± or 7¡± TFT Touch Screen 800x480 TFT Color Display
Dual VFO
RIT
S Meter
Real Time Clock (add optional battery)
50 CW Preset Messages, selectable at runtime
Touch Screen Band Selection
Touch Screen Buttons for function selection and control
Dual Encoders: Frequency Tuning, ALS Tuning, Program Input
Frequency Tuning:
Standard
ALS Tuning--ALS Tuning: Special tuning using the second encoder. If the
frequency increment is set to 1KHz, ALS Tuning sets the second
encoder to one-tenth the increment of the primary tuning rate. This
allows for rapid tuning to an approximate frequency using the main
encoder and then using ALS Tuning with the second encoder to fine
tune the signal. Once you use it, you'll wonder how you lived without it.
Filter Selection:
CW presets (3dB bandwidth): 150 Hz, 300 Hz, 400 Hz, 600 Hz
SSB presets (3dB bandwidth): 1500 Hz, 1800 Hz , 2200 Hz, 3000 Hz
EEprom storage of user preferences and CW code presets
3 external hardware buttons for CW code messages (e.g., contest exchanges)
Based on Teensy 3.6 Microcontroller with Audio Shield
Hardware AGC using IF take-off
Mic Compressor with adjustable threshold
Mic 8-band equalization
Receive Audio Filter
48 dB/octave (8 pole equivalent DSP filters)
2 Variable bandwidth filters ¨C user-defined knee frequencies with Rotary Encoder control
Audio AGC with adjustable threshold
Variable Notch filter, encoder adjustable, use specified Q
CW code to Text converter
Code Practice Oscillator Mode
About a dozen I/O pins to play with plus 800K of free flash memory, 200K of free SRAM,
all clocked at 180MHz
Finally, this is Rel. 1.0 of the software. We think we can do some pretty clever stuff with Rel. 2.0. You can see these board in the video here:
JackAl uBITX Add-on
JackAl uBITX Add-on
This is a preview of the up-coming uBITX add-on board. Centered around a high-resolution touch screen TFT displa...
We also think the system is flexible enough to adapt to other inexpensive rigs. Al and I plan to experiment with this after JackAl is released.
Jack, W8TEE
On Wednesday, September 19, 2018, 1:18:36 AM EDT, Ashhar Farhan <farhanbox@...> wrote:
can this be adapted to small tft displays? the cost of going from a 2.4 inch to this display is quite high.
- f
On Wed, Sep 19, 2018 at 5:34 AM, Jack Purdum via Groups.Io <jjpurdum@...> wrote:
If you can run the Arduino IDE, I don't see why not. The software is all on the board. If you can't run the IDE, go to a school lab, borrow a Windows machine, ciompile/upload, take home and plug in...done!
Jack, W8TEE
On Tuesday, September 18, 2018, 3:58:45 PM EDT, Mike Lichtman via Groups.Io <tchrme@...> wrote:
Jack and Al,
I concur. I also would prefer a ¡°all in one place¡± maxi purchase. Many of us have Macs and cannot use Ian¡¯s utility program. Will we also be able to utilize the Jackal? 73 Mike KF6KXG
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Re: Center Carrier (uBitx)
Hi Joe, I do have the the same result and pictures as you have and having in hands FT-950, and 2 SDRs all 0,5 m away from mBITX.
But with oscill parallel to dummy load you can get
carrier level as -26 /-30 dB(my results) or even better. Allison has good understanding and hope she is right. But still for me hard to get how to solve the problem in practice. Go out to band with such SSB signal or use PA is not good idea. But still I like not noisy receiver! The idea is good but may be PCB layout and Si5351 has someting?
George UR4CRG/RX3ARG( sorry for no pictures I am not good in PC)
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Re: V3 uBitx Very Shrill Audio
Hi Allison, no I have not. ?I will look at that this evening. ?It looks like it's a pretty simple process.
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Re: V3 uBitx Very Shrill Audio
Curt M,
Have you dialed in the calibration specifically the BFO yet?
IF not that maybe your problem.
Allison
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Re: UBITX Q90 mod with BFR106
David
ka9koj
?
?
Besides being seriously off topic.? Who cares.
?
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Re: V3 uBitx Very Shrill Audio
Thank Raj, I'll have to look at that tonight. ?Here is a link to a short video on You Tube if someone whats to hear what it sounds like make further comment. ?I went to frequencies on 80 & 40 where I knew there were strong signals at least form one station in a QSO. ?This is what I hear.
Curt
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Re: UBITX Q90 mod with BFR106
Very thanks Allison.
Regards.
CN8LI/Said.
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Re: V3 uBitx Very Shrill Audio
Yes, check BFO freq. 11.9965 or 11.9972 range. It comes set 11.995 I think..
Raj
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At 21/09/2018, you wrote: I was under the impression that this was calibrated at the factory. Do I need to do some sort of calibration?
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Re: JackAl System Preview
Hi Dr Jack, I would like a Jackal when it is ready. I have a Teensy 3.6 and the audio module and a 7 inch capacitive touch screen.
73,
Kevin VK3DAP / ZL2DAP
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Re: UBITX Q90 mod with BFR106
Jack Kerouac has been reincarnated as a radio amateur.? I love it!? Wish I could write like that, pure stream of consciousness.? Seriously!?
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Re: V3 uBitx Very Shrill Audio
I¡¯m using an end fed that I tuned up with an LDG tuner on my IC-7300 and then swapped to coax over to the uBitx. I wish I could upload a sample video to a You Tube but for some reason both my iPad and iPhone aren¡¯t giving me that choice like it normally does.?
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Re: V3 uBitx Very Shrill Audio
I found this information in a previous post. Is the Wire Up still wrong when it comes to the volume control? ?This talks about swapping the yellow and the red. ?On the current Wire Up it shows the red is not used.?
As you may have read that the volume control wires are incorrectly shown in the wireup diagram.
Please interchange the yellow and red on the volume control. This may solve the problem.
If it becomes worse then there is some other problem..
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Re: V3 uBitx Very Shrill Audio
Hey Curt! Can you tell us what antenna are you using for your test?
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V3 uBitx Very Shrill Audio
Hi guys, I have my uBitx to the point that I could turn it on and do a smoke test. It powers up fine and the volume control and VFO works fine but the sound coming out of the speaker when people talk just about makes my ear drums bleed.?
I can tell that there are people talking and the audio is good and loud but it almost sounds like they are off frequency but not matter where I tune either abive or below do they ever come in clear. When I tune around I never hear anyone clear. I was under the impression that this was calibrated at the factory. Do I need to do some sort of calibration? ?
I built this up in one of the amateurradiokits.in cases. It doesn¡¯t seem like I have any sort of ground loop or anything.?
Curt
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Re: BITX40 and uBitx for sale
The radios have been sold.
?
Ralph
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Allison...
Many thinks for the wiki update. That makes it all much clearer. It's a big help & much appreciated.
73... Mark AA7TA
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On 9/20/18 12:38 PM, ajparent1/KB1GMX wrote: Check the wiki as today I made some adds RE: harmonics that pretty much reuses the existing parts (less any user damaged).
Allison
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Re: Started my uBitx build
Thanks David, I wish I had a better case but I figured I have quite a few tinkering around before I get all the bug fixes and mods done. then ill find a more permanent metal home. I just purchased the 3.2 Nextion LCD and some parts to get the S-meter going using a LM358.
Joe kd2nfc
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On Sep 20, 2018, at 7:02 PM, david todd via Groups.Io < kg9rb@...> wrote:
joe,
nice pics. i like ur thinking of using the plastic case. good idea. i was going to go that way but my 16 yr old son dragged out the shell of an old rig that was all metal.by the way if ur mike sounds good,use it.:)
i m using an old cb mike i bought for 1 dollar at the salvation army store.great job!!!. i didnt have a mick connector like yours so i opted with supplied one.
anyway love ur see thru theme !!!!!
david
ka9koj
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notlarc,
i forgot to mention that i didnt have any rg8 or rg58 . know what i ran?
rg6u. some guys will write pages about how you shouldnt do this? or that.
use what u have and enjoy.
you sound like me ,tight budget.
in fact i have a dedicated 10 meter setup running rg6u cable. i have two verticles and one inverted vee and all are on rg6u cable. i use the twist on rg6 connectors and the f to pl259 connector adapters to connect to radio and tuner. i then use some rubber tape to keep the weather out.
and ive used both types copper shield and aluminum shield. both work great.
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notlarc,
dont know if it helps but an online magazine called antentop has alot of alternative antenna builds.eh, spiral,etc.
i had the same problem when i rented and built an antenna that was ,ibelieve called a balcony antenna. it used a short vert with loading coil and radials came out from a metal sheet the ham had in his living room.
i personall used 22 guage wire and zig zagged it to get a dipole up and running.some guys have used pvc with the total length of each side of the dipole wound on pvc rods and fed to a tuner... i never built an umbrella antenna but heard of it.since ur area is small, put down some carpeting and underneath it, put down sheet metal the carpeting will hide ur counterpoise.:). that will give u some counterpoise and then buy or build a metal umbrella and feed it via a matching network and tuner.
before i moved to my current location my family and i lived upstairs in an older house with aluminum guttering. i couldnt have visible antennas etc either. i was able to attach a small wire that i painted in two sections. one the brick red color and 2 the tan aluminum paint color of the gutters. needless to say, i worked alot of stations with my argonaut 509 and home brewed tuner using 12 guage house wiring as coil alligator clips to change inductance and an old 100 pf variable capacitor i scrounged from a junk radio.
hope this helps. good luck
73s
David
ka9koj
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George
Raj vu2zap
VK3HN
YO8UFO