I don't know how much info you are trying to display, or how much screen area you are after, but I wonder if e-ink or e-paper displays have been considered.
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The e-Ink type of display is generally extremely low current draw. The low current draw is due to the bistable nature of the display as it only uses power when
something on the display is updated (turned on or off).?
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This is the type of display used for ebook readers like the Amazon Kindle ebook reader.
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The most common e-ink displays are monochrome. Black/White is the most common, but Red/White, or Black/Yellow displays are also available, or displays with up to 7 colors.
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They are available in sizes ranging from 2.13" to 13.3".
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See the Waveshare.com webpage for some examples: ? https://www.waveshare.com/epaper
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The extremely low current draw is due to the bistable nature of the display only uses power when something on the display is updated (turned on or off).
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The displays are easy to read in bright sunlight, offer wide viewing angles, and cause less eye strain.
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Food for thought...
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73,
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Tom - N8TPN
