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Confusion about nanoVNA versions

Hi,
Like others, I’m confused about the versions of the nanoVNA. So, I took mine apart. Mine is made by SYSJOINT and prints HW 2.7 .

I bought it about a year ago. I noticed when it arrived that the ‘A’ did not have a ‘o’ in as a cross bar. I thought it to be a DEEPELEC version since the case seemed to be identical but for the ‘A’ . I have been updating the software/firmware as though it was indeed a DEEPELEC version. Indeed, I installed the latest DEEPELEC announced this past month; it seems to have been working fine up to my stage/level of knowledge.

Now, I’m wondering what I should be using. I went to the SYSJOINT site and saw that they had their own firmware: Firmware0.15 . So, I installed it and the system works fine up to the point/stage/level of my knowledge. The date of the firmware is 19 Oct 2020. I see that DEEPELEC now has ‘new’ version dated 26 Apr 2021. Further, I read the the 2.7 SYSJOINT version is the same as the DEEPELEC VERSION 2.2 .

So, does anyone else have a SYSJOINT nanoVNA. Whose software are you using? Any advice would be welcome.

Thank you, larry

I don't know about 2.7 from sysjoint which hardware that actually is but I can confirm, and you'll see with the attached diagrams, that Sysjoint HW ver 2.5 is absolutely identical and completely interchangeable with Deepelec ver 2.2. The only differences are a slight difference in battery capacity with the Sysjoint version having slightly higher, the website printed on the back of the unit will be different along with the marking on the board inside which will say sysoint or deepelec accordingly, then the stylings of the A I think it is for the logo and the presence or absence of a serial number on the case. But the actual circuitry and design is identical, this due to the fact that one of the main members of the one company branched off forming his own.... The almost comical use of the same exact block diagram clearly shows this as the logos a guy could picture being pasted over the other lol.

On 7/6/21 9:31 AM, Cory Ricci K9CDR wrote:

I don't know about 2.7 from sysjoint which hardware that actually is but I can confirm, and you'll see with the attached diagrams, that Sysjoint HW ver 2.5 is absolutely identical and completely interchangeable with Deepelec ver 2.2. The only differences are a slight difference in battery capacity with the Sysjoint version having slightly higher, the website printed on the back of the unit will be different along with the marking on the board inside which will say sysoint or deepelec accordingly, then the stylings of the A I think it is for the logo and the presence or absence of a serial number on the case. But the actual circuitry and design is identical, this due to the fact that one of the main members of the one company branched off forming his own.... The almost comical use of the same exact block diagram clearly shows this as the logos a guy could picture being pasted over the other lol.

Imitation is the sincerest form of flattery, after all.

Just to be a pain, the statement "absolutely identical..... except for....." Doesn't instill confidence in the content of the message.

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________________________________
From: [email protected] <[email protected]> on behalf of Cory Ricci K9CDR <coryricci@...>
Sent: Tuesday, July 6, 2021 12:31:36 PM
To: [email protected] <[email protected]>
Subject: Re: [nanovna-users] Further Confusion about nanoVNA versions #firmware

I don't know about 2.7 from sysjoint which hardware that actually is but I can confirm, and you'll see with the attached diagrams, that Sysjoint HW ver 2.5 is absolutely identical and completely interchangeable with Deepelec ver 2.2. The only differences are a slight difference in battery capacity with the Sysjoint version having slightly higher, the website printed on the back of the unit will be different along with the marking on the board inside which will say sysoint or deepelec accordingly, then the stylings of the A I think it is for the logo and the presence or absence of a serial number on the case. But the actual circuitry and design is identical, this due to the fact that one of the main members of the one company branched off forming his own.... The almost comical use of the same exact block diagram clearly shows this as the logos a guy could picture being pasted over the other lol.

An overall high level block flow diagram being "identical" does not mean they are "identical". In the RF world, since line widths, spacings, routing, vias, etc are all variables, I wouldn't assume they are "identical" unless the same Gerber files were used for both in production.

73 Kees K5BCQ

Both companies came from the same people. They are the same. I have ran Deepelec firmware in mine for almost 2 years now with absolutely zero issues. I tried the latest version by sysjoint for $hits and giggles but felt like I took several steps backwards in doing so and flashed 1.0.2 from Deepelec again.

And it may be a very good possibility the same Gerber files were used in production as again both companies came from the same roots. Same packaging and everything, not sure if that was all a matter of convenience or both claiming it was their idea or what.... There's some info on that in the nanovna-f group if you dig back a ways

Forgive me if I get clumsy, but I am still trying to adjust to this forum.
AT this point I am not concerned whose version I own.
What bothers me - when the silly gizmo powers up I get a flash of info which I am assuming has the
version in it somewhere....
I will dust off my old Polaroid to get a "selfie" of the flash so I can read it ...
I am NOT in favor of taking the hardware apart just to find the birthplace of the thing.
Very bad concept I learned whilst taking apart my parents alarm clock.
( Yes, I got the nanoVNA-saver working, still working - slowly - on DFU...)

On 7/6/21 8:33 PM, Anne Ranch wrote:

Forgive me if I get clumsy, but I am still trying to adjust to this forum.
AT this point I am not concerned whose version I own.
What bothers me - when the silly gizmo powers up I get a flash of info which I am assuming has the
version in it somewhere....

connect to it as a serial terminal, and send the "info" command or? "version" command

info – prints firmware info on console. Can be used to verify F/W build date. - This is similar the Version selection in the on-screen GUI menu

Kernel: Compiler: Architecture: Core Variant: Port Info: Platform: Board:

Build time:

4.0.0
GCC 7.2.1 20170904 (release) [ARM/embedded-7-branch revision 255204] ARMv6-M
Cortex-M0
Preemption through NMI
STM32F072xB Entry Level Medium Density devices
NanoVNA
Sep 19 2019 - 08:34:02



version – returns simple version name and/or release – Not the same as the GUI version command. See info command. eg: “edy555 0.2.2 extended with scan command” or “0.3.0m”

I will dust off my old Polaroid to get a "selfie" of the flash so I can read it ...

video as you boot, then single frame.

I am NOT in favor of taking the hardware apart just to find the birthplace of the thing.
Very bad concept I learned whilst taking apart my parents alarm clock.
( Yes, I got the nanoVNA-saver working, still working - slowly - on DFU...)