Your best bet is going to be to get one of these: https://www.waveshare.com/product/displays/e-paper/epaper-1.htm https://www.waveshare.com/product/displays/e-p

Your best bet is going to be to get one of these: https://www.waveshare.com/product/displays/e-paper/epaper-1.htm https://www.waveshare.com/product/displays/e-paper/epaper-1.... and then find an rasp pi project that makes it work similar to freewrite however you can also do this just fine with the inkplate, just program the arduino itself to have type-writer like behavior i'd recommend researching to understand the display refresh rates and how well it'd work for something like adding a single character