The 0.91" OLED displays are perfect when you need an ultra-small display. It is an OLED monochrome 128×32 dot matrix display module with I2C Interface. The characteristics of this display module are high brightness, self-emission, high contrast ratio, slim outline, wide viewing angle, wide temperature range, and low power consumption.
The driver chip SSD1306 communicates via I2C only. it compatible with any 3.3v microcontroller