/members-area/personalblogs/b/andy-clark-s-blog/posts/azure-sphere-secure-iot---connecting-sensorsOptoSensorAs David Murphy mentions, a stepper motor solution needs to know where the arrow is pointing when the device starts up. Looking in the spares box, I saw I had a Omron EE-SY310 reflective sensor from an old tachometer project, I used the phoen-USTelligent Community 12