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Re: Nano VNA: An Antenna Stethoscope ( pdf file latest edition de k3eu )
What is the size of the mp4 file? -- W7BE Bob
By Bob <W7BE.Bob@...> · #20978 ·
Re: Pitfalls of measuring components with the NanoVNA #measurement
Mike, As Jim pointed out, you wind a few turns on the candidate core, and measure its complex impedance over the frequency range you are interested in, and a little around. But that's only the first
By Manfred Mornhinweg · #20977 ·
Re: Bricked NanoVNA-H
Can I suggest that you try and flash the latest firmware from the top of the NanoVNA-App. Select DiSlord H v1.0.39 and it should come back to life for you. Fingers crossed anyway. I've flashed mine
By James Anderson · #20976 ·
Re: Bricked NanoVNA-H
Richard, I might be onto something here for you. I tried to upload manually the NanoVNA-H420210131.dfu. After flashing this version and rebooting my NanoVNA, my screen was white still.....!! And
By James Anderson · #20975 ·
Re: Bricked NanoVNA-H
Just one last thought Richard before you give up on the screen. Maybe a different firmware version might recover it. There are quite a few to select from now. Again, that brilliant guide points to a
By James Anderson · #20974 ·
Re: Bricked NanoVNA-H
Hello Gyula, not wanting to stray off topic, but could you explain briefly how to connect using either tera term or Putty (I have both) What do I input into putty to connect to the NanoVNA device.
By James Anderson · #20973 ·
Re: Bricked NanoVNA-H
Ah well you're a little bit further on than you were Richard, I tried to upgrade with the wrong firmware with the NanoVNA-App software and the good news is, it wouldn't let me HiHi.. I did try both
By James Anderson · #20972 ·
Re: Bricked NanoVNA-H
Ok, I just read that it can be used via PC. I'm glad there's something. You can replace the display if you can. -- *** If you are not part of the solution, then you are the problem. ( http://ha3hz.hu/
By Gyula Molnar · #20971 ·
Re: Nano VNA: An Antenna Stethoscope ( pdf file latest edition de k3eu )
It was posted and recorded by AJ3DI back a few messages http://phil-mont.org/presos/FebPreso21.mp4 This recording (about an hour long) missed the first few minutes, which I thought were essential to
By Barry K3EUI · #20970 ·
Re: Bricked NanoVNA-H
/g/nanovna-users/files/Absolute%20Beginner%20Guide%20to%20The%20NanoVNA/Absolute_Beginner_Guide_NanoVNA_v1_6.pdf FTFY. Gr¨¹?e, Carsten
By Carsten Bormann · #20969 ·
Re: Bricked NanoVNA-H
Hi Richard, So now that you have performed the operations I described in the message /g/nanovna-users/message/20945, you have not forgotten to remove the BOOT0-VDD jumper and it will
By Gyula Molnar · #20968 ·
Re: Bricked NanoVNA-H
OK! Signed! Sealed! Delivered! and up here in the GREAT WHITE NORTH that means a lot... I WAS able to communicate with the NanoVNA-H and worked 100% thus my final conclusion is that my unit is
By VE2DX · #20967 ·
Re: Bricked NanoVNA-H
This is the excellent and to date latest version of the Guide Richard. /g/nanovna-users/files/Absolute%20Beginner%20Guide%20to%20The%20NanoVNA/Absolute_Beginner_Guide_NanoVNA_v1_5.pdf
By James Anderson · #20966 ·
Re: Bricked NanoVNA-H
I just downloaded the NanoVNA-App.rar and installed that, from there I ran the software and upgraded to the latest version for my NanoVNA device. I'm kind of hoping that it'll get your device up and
By James Anderson · #20965 ·
Re: Bricked NanoVNA-H
Take a look in the files section and look for the guide, An Absolute beginners guide and it lists all the software as links in the PDF. Here's the link.
By James Anderson · #20964 ·
Re: Bricked NanoVNA-H
I've very little else to right now Richard, I'm one of the shielders in the Uk. I got all my info from here Richard,
By James Anderson · #20963 ·
Re: Bricked NanoVNA-H
James thanks for all the help, almost like good old pre-covid lab work sitting next each other :P ok, the NanoVNA is seen as Com 44, was a simple serial port but after updating the driver did see it
By VE2DX · #20962 ·
Re: Bricked NanoVNA-H
Richard, I have just tried to connect my freshly upgraded NanoVNA device to the VNA-QT software but it keeps giving me this error. xavna_read_autosweep_failed: Resource deadlock avoided I know my
By James Anderson · #20961 ·
Re: Nano VNA: An Antenna Stethoscope ( pdf file latest edition de k3eu )
Hi Barry Is the recording available to see somewhere? Do you have a link you could post? Regards, Gregg -- VE6WGM
By Gregg Messenger VE6WGM · #20960 ·
Re: Bricked NanoVNA-H
Hi Richard. Have you tried the NanoVNA-App software to do the upgarde. I upgraded using the option from NanoVNA-App 1-of-11 LSI. Can you see the NanoVNA in device manager as STM Device in DFU mode
By James Anderson · #20959 ·