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Re: Antuino - the antenna analyzer
I slapped one together on the bench and used 69mhz filters salvaged out of a really dead? Could you explain a little how to modify the code for other IF is just one or two lines of code or mayor surgery. Thanks in advance? Fernando? |
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Re: BFO Question...
Press ptt or encoder as per the message. Later switch off and re switch on after a 5 sec gap.? On Wed, 22 May 2019, 11:49 pm newoldham via Groups.Io <cwiencek=[email protected] wrote: Oh THANK YOU - I did not see this info before... |
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Re: BFO Question...
Incidentally, do you use stock firmwsre or kd8cec phd lee firmware? If LEE's firmware, i fear that the result is not gettong save or? factory default mY not be possible. One of these things is happening.,Imho On Wed, 22 May 2019, 11:49 pm newoldham via Groups.Io <cwiencek=[email protected] wrote: Oh THANK YOU - I did not see this info before... |
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Ubitx V3 Rx problems
#ubitx
#ubitx-help
My uBitx v3 has been working fine and I added a usb audio card and 2 port hub with a separate PSU, this has also been working very well.
I was experimenting with FLDIGI and attempted to change the frequency by clicking in the 'present freq' window and typing in a value. This immediately resulted in strange behaviour from the Ubitx, clicks, pops, jumping frequency. Now I have very low audio and 'whistles' as I tune through bands. I have changed the audio amp and its the same, supplies are ok, the Tx appears ok (CW, FT8, SSB audio). The Rx has lost volume and sensitivity and there is more noise but less signal - although FT8 still 'works' it is clearly much worse. The basic Rx does not get any better if I fully disconnect the USB sound card. I am on the original software as supplied. Doesd anyone have any idea why the Rx should have got much worse? Blown relay drives? Arduino/Osc problem? Thanks for any help given Bob |
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Re: BFO Question...
As far S v5 is concerned, the IF is 11.0592 MHz.? Hence during te alignment,it is suggested to pre park the BFO? at 11.055.5 powersave. Later manage to tune wwwf like known standard frequency and get the best possible reception by adjusting calibrtion control. Power save this too.? At this stage the rog should work welall the best. Reagards Sarma vu3zmv On Wed, 22 May 2019, 10:20 pm newoldham via Groups.Io <cwiencek=[email protected] wrote: Still trying to sort out the "receive" - which sometimes seems perfect, but other times...eh... |
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BFO Question...
Still trying to sort out the "receive" - which sometimes seems perfect, but other times...eh...
So - I thought, "I should check into this BFO thing..." - I have uBITx v5.1 - all the postings I can find indicate it is usually around 12K, slightly less, 11.995.5 for instance... Mine is at 11.050.? Roughly.? This seems wrong, but maybe for this version it's right...?? How did it get this low?? How do I fix it?? Do I need to fix it?? If you ever attempted to adjust this number, you know that turning the knob until it reaches 11.995 will take a while.? Days perhaps.? Thanks for any ideas, K B 8 H B F |
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Re: Antuino
Arduino nano v3. On Wed, 22 May 2019, 9:53 pm Doug W <dougwilner@... wrote: On Wed, May 22, 2019 at 11:08 AM, Michael Aiello wrote: |
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Re: Antuino
On Wed, May 22, 2019 at 11:08 AM, Michael Aiello wrote:
What model of Arduino is the code intended for?/g/BITX20/attachment/63028/0/antuino.png ? -- |
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Re: Nextion 5/Enhanced for KD8CEC 1.2?
Joe,
Got a test bed working. (Probably spend a couple hours moving to a new case so that I don't accidentally short something....) Looks good on my enhanced 5.0. Takes longer to do the update, but I suspect that is related to the larger bit maps that were being transferred (4x the bits...) I am happy you rotated that screen. It was a real pia to disassemble my ubitx to update the screen. So the area that needs work is the spectrum analyzer? Although I haven't built that yet, looks like shouldn't take long to build. Probably have everything set up to go over the weekend. Will ping you before starting to avoid duplicating any work you have done in the meantime. 73 Mark AJ6CU |
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Re: Morse Code Tutor
On Sat, May 18, 2019 at 09:35 AM, Jack Purdum wrote:
requires you to install the STM32F patchHi, I planning on using this STM32 ARM board manager. This 32 bit ARM extension for Arduino is written by actual ST Microelectronics software engineers. It looks like it is based on the same libraries used in their?STM32Cube (hopefully wrapped with all the same Arduino libraries Arduino people are familiar with). Unlike their professional development tools, the Arduino version also works for generic boards like the Blue Pill. For the Blue Pill it has a serial up-load option. I haven't tested it on a Blue Pill, but hopefully that means working with the standard boot loader that comes on the Blue Pill boards.? To install this STM32 board tool chain, go to the Arduino preferences and add the following URL to the "Additional Board Manager URL's" box: The Morse Code Tutor is a cool project, however I might use a?NUCLEO-F303K8 development board because I have one in hand (they also have a board with the same chip as the Blue Pill. But I like the F303 because it has a built in Op-Amp(s) that can be used with the A2D converters). A cool thing about the Nucleo boards is you don't need a boot loader on the chip. The board has a second microprocessor chip that is an ST-Link programmer that programs the chip directly, without needing a boot loader, and debugger that lets you set break points and single step through your code. ?And you don't need to select a USB serial port for ST-Link to connect.?Even more cool is when you plug the board into your USB connector it emulates a USB thumb drive. You can just drag a hex file into the drive and it will flash the code into the microprocessor chip. The board costs $10 rather than $3 but are still a good value.? Here is a Getting started page: Here is a link to the board: A caveat. I have been using the ST Microelectronics development tools for STM32 (ARM) processors. It was only after seeing Jack's Code Tutor project that I looked to see what support there was for Arduino. I was very pleasantly surprised to see this tool chain. However, I have not tested it out to any extent or compiled Jack's Code Tutor yet. But, barring some unforeseen glitch I expect this to be a good library with the benefit that it is built on the same libraries I currently use.? That's my vote. Interested if others have tried this or other board tool sets that they like. Tom, wb6b |
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Re: Raduino frozen on BITX40
In case we are lucky, you need to bootload the arduino with so called Nano "old bootloader" ?. Later try LOADING ITX40 SKETCH FRESH. ?LET US SEE WHAT HAPPENS. ? Sorry for all caps. On Wed, May 22, 2019 at 2:06 PM <e78cb@...> wrote:
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Raduino frozen on BITX40
Hello guys! I nead help for my Raduion problem.. My BITX40 arrived and it was functioning fine. While I was waiting for enclosure to arrive I started to implement some mods to make it better suitable. In this process I accidentally made short circuit on Raduino board (not on Arduino but on other bigger board). It shorted between input from DDS port on main board (bringing +4.3V)? to Si5153 path , probably arround C4,C5 or C6 on Raduino to pins 6-10 of Si5153. In that very moment I lost RX (went very low, not quite dead) and LCD just blinked living only Raduino version written on. Tuning was lost and restart several times brought no change. Suspecting Raduino/Arduino frozen I disconnect it totally and put to PC an installed (successfully!) the last sketch v.1.28.1. Therefore I think Arduino seamed to work fine, blinking all LEDs as it sholud (rx,tx and so on).. But, when connected back to BITX board all problems remain: 1. no tuning, 2. low RX, 3. LCD just frozen showing Raduino vesion 4. If I disconnect Raduino from the main board DDS connector, nothing changes also! 5. When turning tuning put, only one LED is fixed light on Raduino (think one should blink when pot turning) 6. LM7805 on Raduino shows 12V and 5V fine, but it is to hot to touch, looks more than before.. 7. All transistors on main board BITX show good voltages (checked!) 8. I do not hear 4MHz oscilator on neighbour receiver.. (should I..) 9. When I touch the base of Q8 I get stronger RX but I suspect that is not the main issue here.. Is my Si5153 dead and what to do..? 73 and thanks Srdjan, E78CB ---------- Poruka poslana putem m:tel webmail servera ---------- |
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Re: Antuino
This is interesting. There could be two possible explanations: 1. There is gain compression. This is possible due to the two stage IF amplifiers. 2. The step attenuator is off-calibration. One way to know is to measure readings of smaller attenuations at different attenuations. For instance how does the readings change between -50db and -53db as opposed to -10 and -13 db? My tests show quite linear relationship between actual attenation and db readings. - f On Wed 22 May, 2019, 6:06 AM Bruce Hall, <bhall66@...> wrote:
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Re: Nextion 5/Enhanced for KD8CEC 1.2?
Joe Puma
¿ªÔÆÌåÓýAlso I think the Spectrum Analyzer page needs more work actually even the band analyzer. I may have been able to adjust their position and lengths of the analyzer graphs but the slider does not seem to work right with the scanned range. ?Joe KD2NFC? On May 22, 2019, at 1:55 AM, Joe Puma via Groups.Io <kd2nfc@...> wrote:
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Re: Nextion 5/Enhanced for KD8CEC 1.2?
Joe Puma
¿ªÔÆÌåÓýI am attaching the HMI file. This is the version that included the graph in the main screen if you use the stand alone analyzer which includes the CW decoder. I haven¡¯t stretched the CW decoder across the screen yet, didn¡¯t figure it out yet but everything else is pretty much intact. All pages have been reworked but I didn¡¯t redo the graphics for the dsp menu, I just resized the 480x240 to 800x480. ? Joe KD2NFC ? Sent from for Windows 10 ? From: Mark Hatch
Sent: Tuesday, May 21, 2019 10:17 PM To: [email protected] Subject: Re: [BITX20] Nextion 5/Enhanced for KD8CEC 1.2? ? Joe, ? uBITX 5inch KD2NFC-v31.HMI
uBITX 5inch KD2NFC-v31.HMI
9ACADB68CBCC402397ABD4AA501EC182.png
E828AF8BDA8B4B9B866FCDFA2364E9C2.png
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Michael Aiello
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