Adafruit Add-on kits for Raspberry Pi - Adafruit ADA4567, The Adafruit ADA4567 2.23" Monochrome OLED Bonnet for Raspberry Pi is a must-have if you're looking for a bright, readable, OLED display, ready to snap onto any Raspberry Pi computer to provide a vivid display. This Bonnet comes with a 2.13" diagonal monochrome 128 x 32 OLED, with sharp white pixels. The OLED has I2C pins, plus GPIO #4 for reset, so you have plenty of GPIO connections available for buttons, LEDs, and sensors. The product will mount to your Pi perfectly flat, so many cases that have an open top can have this display inserted. Compared to the similar PiOLED display, this OLED has the same resolution but is much larger, so it can be read from increased distances. This is supported by the display producing its own light, meaning there is no requirement for a backlight. This reduces the power required to run the OLED and is why the display has such high contrast and a crisp image. Using the display is very easy, Ad