Quote Originally Posted by DarkAlchemist View Post
Add a caveat, if you would, that 70 may not be exactly enough in some setups. That 127 I was very surprised at but, as I said so much earlier, with the Mightyboard the Vref seems to be black magic and voodoo whereas on Marlin/Ramps world it is precisely known with a simple formula (even known with a Smoothieware or Due versions). Again, too detached like this is a very bad thing.
I changed the defaults to 80 which will probably be safer on the high side for those that don't know or care what the VREFs are doing.