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EEVBlog 121GW Multimeter Firmware Details
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hammy:

--- Quote from: ddrulez on June 12, 2019, 02:23:40 pm ---I bought a new 121GW today and I have Firmware u-2.01 installed.

--- End quote ---

Any news about the new 2.01 firmware? Changelog?

Edit: typo
Perrin21:
who is writing the firmware for this device? is it Dave or the manufacturer? has anyone created a hacked FW?
ggchab:
The manufacturer. Dave has a copy of the source files but I don't think he will ever something with the code. I guess this is probably far too much work.
Brumby:

--- Quote from: ggchab on June 26, 2019, 06:45:45 pm ---The manufacturer.
--- End quote ---
Correct.


--- Quote --- Dave has a copy of the source files
--- End quote ---
Does he?  I may have missed something, but I didn't think he did.  As I understand it, the manufacturer has some "secret sauce" code that they are not willing to share (which, even if frustrating, is completely understandable).


--- Quote ---but I don't think he will ever something with the code. I guess this is probably far too much work.

--- End quote ---
Having the source code is only one part of the puzzle.  You need to have a compatible development environment that has been configured appropriately before you start.  Then you would need full details of every element of the hardware being controlled before even being able to code anything.  Add to that the experience required to write effective and efficient code for this type of environment as well as dealing with idiosyncrasies of the component parts and you have quite the challenge.



--- Quote from: Perrin21 on June 26, 2019, 05:13:05 pm ---.... has anyone created a hacked FW?

--- End quote ---
We have had some enterprising souls hack the binary from earlier versions - but I think the latest official manufacturer version makes them obsolete.
ggchab:
I don't remember if this was in a video or in the forum, but I am 95 percent sure Dave said he received a copy of the source files (with a non-disclosure agreement). Not that long ago. A few months, maybe.
Because of the work involved, I knew we would not see anything. Just fully understanding the existing code would probably already be a nightmare. So, UEI is not taking a big risk  ;)
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