Orange backlight is all well and cool, cyberpunk and stuff, but except for emotional preferences are there any other benefits?
Maybe it’s worth to consider e-ink displays?
TL;DR answer is that E-ink has very low refresh rate and can’t be used quick for menu navigation. You can read full answer on @molecul link.
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Wow, refresh rate looks quite fast. Displays that I’ve tested with pwnagotchi https://pwnagotchi.ai/installation/#display was made especially for electronic price tables for goods. Probably it much lower quality than ebooks screens. Also what about backlight on this tiny e-ink screens? We need to look closer. Can you please search for ready to buy e-ink modules with backlight that fit in our size?
As another option, you can consider this type of displays:
Transflective liquid-crystal display
Of the benefits - good visibility in the sun.
Would the planned TFT display have the resolution that could afford the ability to display a readable barcode for exploiting some 1D and 2D barcode-card access control systems? I know that some eInk displays have such an ability.
Here are some really cheap and small e-ink displays:
As for the backlight: some led’s around the border of the screen might suffice.
The demo shown with doom is nice but the way the panel is driven is “destructive”. It will cause burn-in of the ink. To overcome burn-in typically e-paper goes white/black a couple of times before rendering the requested images. This makes it slow but durable. A better explanation can be found here https://youtu.be/MsbiO8EAsGw
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