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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

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

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

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

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

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

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. (

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

/g/nanovna-users/files/Absolute%20Beginner%20Guide%20to%20The%20NanoVNA/Absolute_Beginner_Guide_NanoVNA_v1_6.pdf FTFY. Grü?e, Carsten

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

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

This is the excellent and to date latest version of the Guide

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

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

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,

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

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

Hi Barry Is the recording available to see somewhere? Do you have a link you could post? Regards, Gregg -- VE6WGM

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

I'll have to check out what that VNA-QT is now Richard as I'm not familiar with that. The only procedure that I did was as described and it worked for me after nearly launching the NanoVNA through