[Edit: I've just seen that I've posted a very similar post in the other post you made...!]
Yes...
I uploaded a Bootloader (to en Ender 5) using Raspberry Pi and the method on this webpage... (https://www.fission3d.com/post/flash-bootloader-and-install-firmware-with-raspberry-pi)
Now I can update with Mac and Arduino IDE...
In Arduino, you need to add several libraries esp the Sanguino one... make sure you choose Sanguino>ATMega1284p (16GHz) and the correct port (for the USB should auto find)... you may also need U8glib
But once the boot loader is onboard, when you open Arduino and the >Open> Marlin folder with relevant files, you can click upload and it will compile and upload...
Let me know if this isn't clear, or if I've misunderstood....
Vid
Edited 1 time(s). Last edit at 02/13/2020 04:05PM by Vidius.
