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| 121GW multimeter firmware hack to prevent remembering last mode |
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| JDW:
--- Quote from: EEVblog on March 04, 2023, 12:55:11 am ---...I work on the assumption that at any time they will say sorry, we just don't want to make it any more. So doesn't make sense to put effort into custom firmware for a meter that has no guarantee of production. --- End quote --- I for one appreciate that information, Dave. Even so, I am proceeding with the filming of my Youtube video review of the 121GW nonetheless. In fact, I recently bought a Probemaster kit for it too! :-) While it has issues (and what meter doesn't?), I still find the 121GW a very appealing, feature-packed meter (even if the firmware isn't updated beyond 2.05), and it would be a shame if the demand for it remains consistently high yet UEi ultimately kills it anyway, only because it is labor-intensive to calibrate. Hopefully, the demand for it continues to convince UEi to keep the device alive. |
| EEVblog:
--- Quote from: JDW on March 04, 2023, 01:05:00 am ---While it has issues (and what meter doesn't?), I still find the 121GW a very appealing, feature-packed meter (even if the firmware isn't updated beyond 2.05), and it would be a shame if the demand for it remains consistently high yet UEi ultimately kills it anyway, only because it is labor-intensive to calibrate. Hopefully, the demand for it continues to convince UEi to keep the device alive. --- End quote --- I don't know what sales numbers will continue to make it viable for them. But there could be other issues down the line like parts availability etc. I'm sure they'd be happy if I discontinued it and went with their 555 design, but it just doesn't have the same feature set, is way bigger, and is designed more for the industrial market. Maybe I should do a video on the 555, but I'm sure what I've got is an early prototype, the production version might have changed. |
| J-R:
So could another company manufacture the 121GW or does UEi own some or all of the hardware design as well??? |
| JDW:
--- Quote from: J-R on March 04, 2023, 01:21:15 am ---So could another company manufacture the 121GW or does UEi own some or all of the hardware design as well??? --- End quote --- I am 30 minutes into watching the video Dave linked for us, and based on that I would say the answer to your question is NO when you consider the involvement of UEi in the design and ownership of the case, and the fact the same case is used in other "non-competing" products too. It's a long video, but I would recommend watching it. It answers a lot of questions. I will ultimately link to it when I release my video review of the 121GW because it provides some excellent background on the meter. |
| J-R:
I'm not concerned about the case, the big question would be the circuit design. |
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