Quote Originally Posted by M250cnc View Post
I do not know Arduino but in Mach3 it is specified in the controller (General Config) whether it is seconds or milli seconds

And the code is G04 P50

Phil
Thanks Phil,
I guess that would set a dwell time of 50 seconds/milliseconds depending on what is configured?

I had considered hijacking an unused M code to set seconds or milliseconds!

cheers
Mike