Electronics > Projects, Designs, and Technical Stuff

uSupply Custom LCD

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mariush:
There are other technologies which are sort of like eink but better, here's one example:



It's expensive though.

aandrew:
I am not a fan of LCDs for instrumentation. Glare, low contrast ratio, low resolution.

Give me graphical OLED or VFD for high end, segmented VFD for mid and plain old regular 7 segment LEDs and illuminated indicators (think icons with an LED behind to light up when they're active) for low end.

graphical LCDs and segmented LCDs are actually a "feature" point that turn me off of selecting an instrument.

Mr. Scram:

--- Quote from: xani on October 29, 2017, 03:05:06 pm ---Hey I just read that off datasheet from your own link to a product, 100% facts here. E-ink would just be a novel(and have obvious problems that are not that easy to solve unless you buy ready-made one, like backlight), LCD is just much better fit for the job

--- End quote ---
That was not my link or proposition. I'm just somewhat aware of the capabilities of the technology. Again, let's be factual.

I don't quite understand the comment about "ready made". LCD would be too, right? The same applies to both technologies.

Mr. Scram:

--- Quote from: mikeselectricstuff on October 25, 2017, 10:44:58 pm ---Probably not - E-ink is slow, but also has the risk that something's gone wrong/crashed, and the display is still showing 3v when the PSU is outputting 24V.
Basing a production design on surplus parts is also very risky, unless they are so cheap you can buy a reasonable lifetime's worth of stock.

--- End quote ---
See, that's a real argument. Power supplies have to be safe.

gardner:
Personally I am another advocate for a bar graph or % of set-current display.  I also want to have the current shown in mA where appropriate.  Here is a craptacular mock-up of a way to shoehorn those features in.

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