Something else I just spotted… I don’t know how a RAMB0 deals with the SPINDLE_LASER_ENABLE signal but I wonder if the’ //Pullup!’ comment means you have to fit a pullup resistor to pin 31?
Ummm…this is very confusing…have you seen this Laser on Rambo 1.4
It would be so much clearer if you looked at the output on pin 45!
This is why I think you are better off going for the older solutions because all the development work has finished making changes and the documentation is more solid.
ok…so to answer my own question…the RAMBo doesn’t use SPINDLE_ENABLE at all unless you want to, it just makes it available on pin 31, so as you are not using it it doesn’t need pulling up!