Re: Nextion 2.8 Enhanced - How long to upload .tft file?
I find that amazing you could do that with an iron.... I had a tough time doing it with a hot air station.
To hold the IC in place I took a metal strip from a windshield wiper blade and bent it like
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Dave K0DLP
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#105805
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Re: sBitx V2 SN #141 Spurious/Harmonic Measurements
Steve -- surprise, surprise, surprise!
Now we may be getting somewhere.
I reconnected D30 and L201 to bring the switching systems back to where they are supposed tobe.
Then using two 9V batteries in
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Gordon Gibby KX4Z
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#105804
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Re: sBitx V2 SN #141 Spurious/Harmonic Measurements
Steve, thanks very much for the ideas. Inhad not thought of what you just pointed out!! I could get an 18 V source and connect it via resistor to the HV point and solve that…. maybe I can try
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Gordon Gibby KX4Z
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#105803
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Re: sBitx V2 SN #141 Spurious/Harmonic Measurements
Gordon - sorry, I don't have a V2. Maybe some day...
Your tests appear to demonstrate that a reverse bias needs to be applied to the switching diodes to turn them off (or reduce their junction
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Steve Beckman
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#105802
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Re: sBitx V2 SN #141 Spurious/Harmonic Measurements
So I lifted one end of D30 to get rid of any possible transfer via the TR switch.
NO CHANGE.
I'm injecting the tracking generator with the shield of UG-174 at the ground end of C204.? ?The center
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Gordon Gibby KX4Z
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#105801
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Re: sBitx V2 SN #141 Spurious/Harmonic Measurements
A surprising result tonight.? ?I found a yellow toroid T2-25 I think, put 22 turns of magnet wire on it, and verified with ancient MFJ259B that it was > 650 ohms reactance in the 40-60 MHz
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Gordon Gibby KX4Z
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#105800
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Re: Nextion 2.8 Enhanced - How long to upload .tft file?
Gary and Tony,
Thanks for the tip about better choice of tape for anchoring static sensitive parts for soldering. I have some aluminum and copper foil tape on hand, but didn't think of it. Hopefully,
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DaveW, KL7HJF
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#105799
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Re: sBITX-V2 FT-8 Problems and others too ...
We all agree that it is indeed important to get it all right.? ? I'm astonished at the advance that Ashhar has made virtually unaided except for help from Hans.? ? Apparently Hans had some
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Gordon Gibby KX4Z
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#105798
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Re: sBITX-V2 FT-8 Problems and others too ...
I just put together a uBITX with no instructions. I will put power to it
soon an after all these notes anticipate spurious emissions that are not
acceptable. I won’t use it.
I applaud getting rural
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Len Matulewicz <lenjmat@...>
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#105797
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Re: sBITX-V2 FT-8 Problems and others too ...
*Simple example : If I buy a car ... I want drive it and NOT start at first to repair it ...!!!!!!*
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Jens/HB9JOI
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#105796
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sBITX-V2 FT-8 Problems and others too ...
sBITX-V2 FT-8 Problems and others too ...
Hello ... You are a big blame as manufacturer !!!
It's a big disgrace what you're doing from HF-Signals :
You're selling a transceiver that does NOT meet
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Jens/HB9JOI
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#105795
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Re: Help with sBitx v2 FT8 problem
Barry,
I understand and thank you for your reply.
Your solution involves less writing :-)
I see David has already managed to try it.
ps.: if you want to delete the message you created that you
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HA3HZ
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#105794
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Re: Help with sBitx v2 FT8 problem
Guyla
I'm not very familiar with either html or js but I think the c style comments will be required in js portion of index.html. I thought of that after I answered your question. Sorry about the 2
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Barry Cromwell
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#105793
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Re: Help with sBitx v2 FT8 problem
It works! Thank you so much for the help! You dont know how grateful I am. Hopefully someday there is a hardware solution that I can help you with somewhere... maybe... :)
Thank you
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WK4DS
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#105790
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Re: Help with sBitx v2 FT8 problem
Looks right, I used C comment style /* and */ to comment it out as a block but your way is more correct.? All you have to do is change the index.html in the web folder and save it.? It will still
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Barry Cromwell
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#105789
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Re: Help with sBitx v2 FT8 problem
Barry,
I can't program, just trying to follow.
Am I correct in what you wrote?
--
Gyula HA3HZ
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HA3HZ
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#105788
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Re: Help with sBitx v2 FT8 problem
The following lines from index.html cause the sync problem you mention:
1527 & 1539 if (message_slot_1st == true)
1528 & 1540 websocket_send("FT8_TX1ST OFF");
1529 & 1541 else
1530 & 1542
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Barry Cromwell
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#105787
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Re: Brainstorming: sbitx with new Raspberry Pi 5?
#sBitx
Looks like I stumbled right out of the gate.
The first step in install.txt says to install WiringPi but the Pi 5 came with the 64 bit OS.
Even worse, it seems WiringPi is end-of-life ( ref:
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Dave, N1AI
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#105786
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Help with sBitx v2 FT8 problem
Hello all,
I have been investigating the problem with running FT8 from the GUI and have narrowed it down to this.? It works as it should IF YOU CALL CQ. That works great and I am able to complete
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WK4DS
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#105785
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Re: Nextion 2.8 Enhanced - How long to upload .tft file?
Dave,
Very impressive and ingenious getting that si5351 out!!! I am even more impressed that you were able to solder it back on with an iron! ?You must have very steady hands!
A side note, waiting
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Mark Hatch
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#105784
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