OLED 1.32" with SSD1327 with 16-gray scale.

Library is using STM32 HAL libs.

Software and HAL libraries.

STM32F401RE
STM32CubeIDE 1.3.0
STM32CubeMX 5.6.0 in IDE
HAL F4 1.25

Links

-Description on my blog
-GitHub
-Contact: mateusz@msalamon.pl