While the SSD1306 OLED has somewhat become the go-to display ... which is what [oldmaninSC] did with his digital clock that takes an entire 16×2 LCD to show each single digit.

What about all those other SSD1306-based OLED displays out there? Are they out of luck? Not quite. [David] has one more trick up his sleeve: his Tiny Function Plotter works on the SSD1306 and ...