Any tips on tuning the steppers on a printrboard (Rev. D) with a multimeter? I followed this video originally:
But couldn’t figure out where he got the value of 1.45V and it made my motors very loud if I set the pots that high.
After searching around a bit I found this seemingly sensible blog post on the subject:
I looked up the specs for my Kysans (1124090) and found them to be rated for 1.5A per phase and when I solved for Vref using the formula on Erl’s page (and 0.11 ohms for the sensing resistance) I get 1.32V, which still makes my motors a little loud and quite hot if I set the pots that high.
Am I going about this wrong? Any advice? Thanks!