If your OLED expansion does not work or print anything, most likely it was not been initialized. You may want to issue the following command in your terminal: oled-exp -i
The next tip for troubleshooting your OLED expansion is to issue the following command: oled-exp -i write "hello"
For any additional information about OLED expansion please refer to our documentation link: https://docs.onion.io/omega2-docs/using-oled-expansion.html
If neither of the tips worked, please feel free to open a ticket on our helpdesk and we'll be glad to help you with your unique issue. Here is the link to open a ticket:
Thank you for reading!