need help with dc motor circuit design…. Home › Evil Mad Scientist Forums › Electronics › need help with dc motor circuit design…. This topic has 0 replies, 1 voice, and was last updated 8 years, 1 month ago by jd. Viewing 1 post (of 1 total) Author Posts November 23, 2016 at 5:55 am #20589 jdParticipant I am using 12V dc geared motor(holding torque 4Nm).the supply volage is 230V. working criterias: i) the motor should move forward for cirtain RPM(10 to 15) then stop at that position. ii) the motor should move reverse with exact the same RPM after supply cut off. suggest me cheapest way to fulfill this criterias…….. This topic was modified 6 years, 7 months ago by Windell Oskay. Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In