3.1 LCD displays

Even it is 1602 or 1604 display, both are easily connectable to Z-Berry.

Using backpack connecting requires no more than four wires.

If you wish to show icons, sprites, graphs or user defined fonts, graphic display 12864 (ST7920) is better choice. Short driver code supports 8 bits parallel mode and serial mode (only 2 data wires needed, except power wires).