Electronics > Projects, Designs, and Technical Stuff
uSupply Custom LCD
NivagSwerdna:
--- Quote from: KE5FX on October 25, 2017, 08:48:43 pm ---It only makes sense to use an antique fixed-segment LCD if you know you will not face any market competition. It's a hobby project in that case, not a commercial one.
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Actually this is an EEVBlog project. The revenue from the video discussing the making of the custom LCD will probably cover the cost. I'm looking forward to seeing the video.
jbb:
I think that’s a good start.
Custom character LCDs really are great for visibility and clarity, especially under variable lighting conditions. Plus they use a lot less power (which may or may not be relevant here.)
On the multi-colour backlight front, do remember that there are colourblind people out there.
Assuming you’re not running into trouble with segment count, I would suggest the following (most useful to least IMHO):
- Error
- CP (constant power)
- Over currrnt trip
- Over voltage trip
- Remote
- Ohm, kOhm indicators (in case someone wants to make a uLoad)
As others have suggested, a bar graph could be nice but isn’t critical.
Edit: removed stuff that was already done (I was late to party...)
KE5FX:
--- Quote from: jbb on October 25, 2017, 09:14:05 pm ---As others have suggested, a bar graph could be nice but isn’t critical.
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I really like the bar graph idea. :-+ I always want to know how close I am to my preset current limit, but none of my bench supplies presents that information in an easy-to-read form.
max_torque:
--- Quote from: Seppy on October 25, 2017, 03:30:50 am ---
--- Quote from: Dubbie on October 25, 2017, 01:01:01 am ---Nice Dave.
Can you fix the kerning on the mJ and Wh. It will help legibility and look more polished.
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I didn't even notice the kerning problem, it happened in the conversion from vector artwork to png. Weird.
--- Quote from: Mr. Scram on October 25, 2017, 01:07:30 am ---That already looks a lot more mature than the previous version. I like the increased legibility of the things in solid blocks.
I do notice that the MIN/MAX aren't sized the same on the volt side of things. That should of course be a minor fix.
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Yeah that was fixed, forgot to update the section with the MIN/MAX template.
Thanks everyone!
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From a intuition point, i'd have MAX above MIN (rather than the otherway around) on the display. In fact, i might have:
MAX
CC
MIN
to make it even more intuitive
ataradov:
--- Quote from: max_torque on October 25, 2017, 09:26:02 pm ---From a intuition point, i'd have MAX above MIN (rather than the otherway around) on the display. In fact, i might have:
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MIN/MAX segments will never be seen at the same time. What difference does it make?
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