Instead, [Nakul] is using the ubiquitous Hitachi HD44780 character LCD display. Normally these are used to display text, but they all have the ability to display custom 5 by 8 pixel characters.

Most of the cheapies have a 5×8 character display, which looks blocky but legible when you have an appropriate font. Where it gets fun is that most of the LCD displays also let you upload custom ...