Hello folks , We are having a trouble with new Ev3 large motors. Robot wheels not going straight however they put same values (rotation or degrees) but robot degree values change automatically... My students reset , and updated firmware but still having same issue. Motor values keep change ........ Any suggestion ? Really appreciated -- _________________________ best regard, *Rahman Rasulzada * Pinnacle Academy , IT Manager & Computer Teacher *School Website <http://www.pinnacleacademyva.com/> * Personal Website <http://rasulzada.wix.com/mycv> Computer Classroom Website<https://sites.google.com/a/pinnacleacademyva.com/computer-technology/> -- To UNSUBSCRIBE or CHANGE your settings, please visit https://listserv.jmu.edu/archives/vadcfll-l.html and select "Join or leave the list". -- VADCFLL administrative announcements are sent via VADCFLL-ANNOUNCEMENTS-L. Visit https://listserv.jmu.edu/archives/vadcfll-ANNOUNCEMENTS-l.html to subscribe.