No. Diablo16 display modules do not directly support RS485.
However, you can use MOTG-RS485 or similar modules to connect a Diablo16 display via RS485. This will require one of the COM ports and a GPIO pin.
When using a gen4-uLCD Diablo16 display. It is advisable to use a gen4-MOTG accessory board. This allows easy connectivity with the MOTG-RS485 through Diablo16’s configurable COM port.

When using a non-gen4 uLCD Diablo16 display, a MOTG-Breadtooth can be used instead.

No. Diablo16 display modules do not directly support CANBUS.

However, you can use MOTG-CAN to connect a Diablo16 display to a CANBUS. This will require one of the configurable SPI bus.
When using a gen4-uLCD Diablo16 display, it is advisable to use a gen4-MOTG accessory board. This allows easy connectivity with the MOTG-CAN through Diablo16’s SPI.

When using a non-gen4 uLCD Diablo16 display, a MOTG-Breadtooth can be used instead.

Yes. You should be able to use a microSD card higher than 4GB.

However, keep in mind that Diablo display only supports FAT16 which have a maximum of 4GB space. The rest of the unused space on the SD card can be accessed as RAW.

You will need to format the SD card appropriately using RMPET.

To use this tool:

• Open or create a new Workshop4 project
• Go to the Tools menu and open RMPET
• Follow the instructions provided by the tool