srnet:
I would use something like one of the SSD1306 OLEDs
Indeed. And you can get a quite useful eight lines of text on them. Further. I used
#include "SSD1306Ascii.h"
#include "SSD1306AsciiAvrI2c.h"
which I understand are very space efficient - as well as wire-efficient
https://forum.arduino.cc/index.php?topic=510106.0