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| Brymen BM789 |
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| Chalcogenide:
I was looking at the Youtube video's comments and in a reply OP states "I changed the IC on the one I demonstrated." so it's fair to say that Brymen did not provide him a programmer but just a pre-programmed IC to replace in his meter. |
| floobydust:
I thought Joe was blowing up the DMM IC U1, not the MCU U16? Doesn't matter really, the firmware is cast in stone unless you want to ship it across the ocean. Brymen could have trusted agents in North America do F/W upgrades, repairs... or maybe not due to their obligations as an OEM which prevents them from selling here. Could look at the Andes programmer but you'd still need the binary. |
| c0d3z3r0:
@joeqsmith @EEVblog is 78911 the most recent firmware? I got a new BM789 from @Welectron with FW 78908 :-BROKE They have no newer fw in stock and can't update the firmware. So, I'm sitting here with a shiny new DMM with buggy firmware.... They said they'll contact Brymen and I might send it to them (Brymen) for update. Not really what I want to do with a new device, tbh. I hope they'll find a customer-friendly solution. EDIT: Just to clarify, I don't want to blame Welectron for that Problem, I'm sure they'll give their best to solve this :-) |
| NoMoreMagicSmoke:
Do you actually have any issues with your meter? I have an identical meter to yours, and mine does not demonstrate the resistance glitch. |
| EEVblog:
--- Quote from: c0d3z3r0 on September 22, 2022, 11:48:21 pm ---@joeqsmith @EEVblog is 78911 the most recent firmware? I got a new BM789 from @Welectron with FW 78908 :palm: They have no newer fw in stock and can't update the firmware. So, I'm sitting here with a shiny new DMM with buggy firmware.... They said they'll contact Brymen and *I* might send it to them (Brymen) for update. Not really what I want to do with a new device, tbh. I hope they'll find a customer-friendly solution. --- End quote --- It honestly isn't a big deal. It's almost certain that you'll never encounter the bug, and if you do then it's obvious and you can just switch to manual range. This is how every Brymen meter and most other brands and model have worked since time immemorial. |
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