OCELL is a 0.5 inch OLED module designed as a Arduino shield and also available for other micro controllers . It is the smallest Arduino display module you can find so far.

You could connect it to Ardunio micro directly without doing any PCB layout and also available for other controllers . It is a good choice for a DIYer to make a project which need a tiny COOL OLED display.

0.5 Inch OLED display Arduino shield Pinouts