Adafruit 16 bit colour oled breakout board 1 27in with microsd holder adafruit 1673 p the adafruit 16 bit colour oled breakout boards give any microcontroller main board a 128 x 96 colour oled display all this takes just the 4 x spi signals plus 2 x power lines the displays have red green and blue oled pixels which generate their own light so there s no backlight and very high contrast each rgb pixel can be set with 16 bit resolution even though the displays are only 32mm diagonally