https://www.digikey.com/en/products/filter/lcd-oled-graphic https://www.digikey.com/en/products/filter/lcd-oled-graphic These are cheap enough that you can pre

https://www.digikey.com/en/products/filter/lcd-oled-graphic https://www.digikey.com/en/products/filter/lcd-oled-graphic These are cheap enough that you can pretty much buy what you want and sample them yourself. I know there are other stores that have better prices. But Digikey has a very good selection and has data-sheets for most of their offerings. --------- I personally like the Sharp memory-lcd display. But your milage may vary. Monochrome is fine for my uses