I make my first steps with ESP32 WROOM 32 Dev board and MicroPython (with Thonny). My small OLED 128x32 0.91" works fine. But my big OLEDs 128x64 1.3" (I have three of them, differnt suppliers) do show only trash. I tried different ssd1306 libraries and the trash changes, but its still trash. What d...