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I read that nanoVNA-V2 feels stuck in a price box, so they won't be upgrading the display size. I don't get that at all. Why not offer various versions, e.g. V2a, V2b, V2c with different display

Just calibrate the touch screen and it will work well. hugen

Hi Herb, Thank you for the response. Regarding your statement "Did you check out the ttrftech GitHub repo that Larry referenced? Specifically https://github.com/ttrftech/NanoVNA/tree/master/doc . The

#77: On the current explanation of full one-port "error" model in our sow - facupov, as always - with an Application to the Measurements of Two-Port Devices Hello, Well, after the previous related

Jos, you might want to try going back to an earlier windows restore point to when it was working and detecting dfu.? On Sun, 10 Nov 2019 at 6:57 PM, Jos Stevens<jrs@...> wrote: Hi Herb, Thanks

Hi David, Publishing the PCB design won't really help as there are many ways to layout that will let someone create the same device. The biggest issue is crosstalk and bridge design. Have a look at

If you float either or both N connectors from the shielded enclosure, you largely defeat the purpose of the enclosure. My advice? Bond both connectors firmly to the enclosure, and run coax cable

Hi Herb, Thanks for your reply, Unfortunately I do not have another computer to do that, but as you describe it it looks very simular , I'm unning Win10 on a HP i7, 8 GB of RAM, NanoV.BNA runs OK

If you want performance into the microwave range I'd wait for the nanoVNA V2: <https://ghz-europe.com/2019/10/10/nanovna-2-0-up-to-3-5ghz/> Mike N2MS

Dave, Did you check out the ttrftech GitHub repo that Larry referenced? Specifically https://github.com/ttrftech/NanoVNA/tree/master/doc . The schematics and firmware for the hugen clone that all the

Jos, Do have you another computer you can run the DFUseDemo app from? The reason I ask is because I ran into a similar situation on a PC where Windows device manager showed "STM32 in boot mode and I

also if the link is connected.. power OFF the vna then back on again to get the stm into boot mode. With dfusedemo running, this should make the handshake with the bootloader on stm32. you should hear

Hi Larry, That’s OK about the misunderstanding. I totally get it. The history and ownership of the NanoVNA is very confusing given all of the inaccurate information available. After my initial

Thanks, QRP RX!

and just to add, v0.2.3 firmware is on the edge of not needing the link to induce thew bootloader of stm32. Can't remember if needed or not on this version? if not then link has to be made. what is

ok, i use win7 here. just turning the nano nva with c usb lead connected i see thus in device manager this shows device as teensy. on entering dfu mode under 0.4.3 i get stm message in usb devices! i

Hi Dean, Yes I did, it makes no difference. Strange thing is that Windows device manager shows "STM32 in boot mode". So why does DFUseDemo not see it ??? Jos Op 10-11-2019 om 22:07 schreef Dean Smith:

You can convert ,hex and .bin to ,dfu by using "DFU file manager". Op 10-11-2019 om 21:38 schreef Oristo:

Hello Hans, If you have downloaded and installed the DFU package from STI, there is? installed " DFU file manager", you can't see it in the folder you installed " DFUseDemo"? in, but when you type "

Just a thought... Have you tried doing the link on the nano vna to pop it into boot mode???