In this exercise you need to calibrate the stepper motor position and count the number of steps per revolution by using an optical sensor. The reducer gearing ratio is not exactly 1:64 so the number ...

Signage for a job fair is seen on 5th Avenue after the release of the jobs report in Manhattan, New York City, U.S., September 3, 2021. REUTERS/Andrew Kelly U.S.-based employers cut more than 150,000 ...