2. Download the U8glib library from their website and place it into libraries folder of your Arduino. 3. Now here is the tricky part that will make your OLED work perfect: – Go into the libraries ...

The u8glib is outdated and does not support ATmega328PB, which has different names for its SPI registers than the 328P has. Use the u8g2 library instead.

What steps will reproduce the problem? 1. Using teensy++2.0 and 1.5" ssd1351 from adafruit. 2. Wired up like this The numbers in parens are arduino pin numbers. B0 (20) -> OC (OLEDCS) B1 (21) -> CL ...