E-ink display

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A e-ink display requires a different hardware than a LCD display. You'd need a redesigned mother board to be able to use such a display.

Really? Why is it so?

Very different performance requirements - LCDs are getting a full refresh with full colour images many times a second. e-ink displays get occasional refreshes with low bit depth images, and an emphasis on low power consumption. The LCD gets a high bandwidth interface from a GPU while the e-ink displays usually use lower bandwidth, lower power consumption SPI.

Oh that makes sense, I see.

I would love to see an e-ink additional display option. I wonder what conversion would be required between the USB-c interface and the e-ink display?.