The Pixelduino, that is equipped with a full colour 1.5 inch Arduino OLED display and has been designed by Rabid Prototypes and includes a built-in microSD card ...

The tiny Pixel 2.0 is basically an Arduino board wedded to a tiny 1.5″ 128×128 color OLED screen. This means you can stick it inside a wearable and address the screen directly from the Arduino ...