Recently [Andrew Conlin] wrote about how to use MicroZig with the Raspberry Pi RP2040 MCU, showing the process of writing an SSD1306 OLED display driver and running it.

Last time I looked on Amazon I could get five I2C 0.96″ OLED SSD1306 displays for $14.99 (ASIN B08QJ7BL3R), that’s $3.00 each.[1] ... Five Pieces 0.96 Inch OLED Module 12864 SSD1306 Driver I2C.