Motors and steppers numbers Forum › Get Help › Components This topic has 3 replies, 2 voices, and was last updated 5 years, 1 month ago by Hotam leyzerovich. Viewing 4 posts - 1 through 4 (of 4 total) Author Posts April 4, 2017 at 2:50 pm #601 Quote Hotam leyzerovichParticipant heyi looked in the bom and i saw that the v2 of the control pcb contains 8 STEPPERS, while in the MOTORS section there is only 7 motors, what am i missing? ; 2x Nema 17; L=40mm; Holding torque: 39.22 N.cm 3x Nema 17; L=34mm; 5:1 mechanical reduction; Holding torque: 121.2 N.cm 2x Nema 17; L=34mm; Holding torque: 21.57 N.cm 1x PCB 8x A4988 Stepper Motor Driver </ul April 4, 2017 at 2:51 pm #1207 Quote Hotam leyzerovichParticipant *MOTORS AND DRIVER April 4, 2017 at 4:24 pm #1209 Quote Angel LMKeymaster Hi Hotam, You are right, the current design of Thor only uses 7 steppers, so 7 drivers are enough. I designed the new board capable to control up to 8 steppers in order to be able to add another degree of freedom. (I was thinking to add rails on the base) Hope it helps! April 12, 2017 at 9:57 am #1211 Quote Hotam leyzerovichParticipant nice Author Posts Viewing 4 posts - 1 through 4 (of 4 total) You must be logged in to reply to this topic.