More on the saga of the NanoVNA... There are two major STM35 designs - the 2.8" and 4". There seem to be several revisions - MS, SI, and ZK - which seem to indicate which clock chip is used. There are also many less-well supported clones on the market
There are two primary firmware sources - DiSlord and hugen79. This leads to a very large number of firmware files! I have the 2.8" NanoVNA-H-MS 3.6 version. This appears to be a 'hugen' product. I tried the 5/26/2025 binary and had lots of trouble. I backdated to the 2/20/2025 binary and now get expected behaviour. Crazy... 73 Dan KJ5IZK On Thu, Sep 11, 2025 at 8:42 PM Daniel Poirot <[email protected]> wrote: > Howdy y’all, > > I am having fun with my NanoVNA-H, but I may have it fouled up… > > I have flashed a few different versions of the two main forks to see how > they work. The latest seems to be flakey for me. > > I am going back to earlier releases and try to do a better job of keeping > notes! :-) > > 73 > Dan KJ5IZK > >
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