Wemos D1 Mini OLED display, 0.66 inches small, with 64 x 48 pixels resolution and I2C serial interface.
The display is capable of showing graphics and text, and it is powered by the Solomon SSD1306 driver IC which includes a 128 x 64 Bit SDRAM buffer and 256 steps brightness level control.
Example codes for Wemos D1 Mini Sensors and Modules (GitHub)
Another source for Wemos D1 Mini compatible Arduino libraries










GDW –
Easy to get working. Stackable design makes everything easy and helps keep a smaller profile.