Thank you for all your great work on the Arduboy. I am trying to build my second homemade Arduboy, this time I want to add a Flashcart. I have brought this module:
Then I connected to on an Arduino Micro:
CS RX1 PORTD2
I have already succeded in burning the bootloader, and the usb icon is shown on the oled display.
The flashcart is not found when I try the uploader script. Is it wrong to use this module? What am I missing?