Determine the reduction ratio of the gears being used on the rotary. 

Divide the driven gear teeth on the motor by the drive gear teeth on the shaft. 

Example: 10 teeth on motor pulley / 20 teeth on shaft = 2:1 Reduction Ratio

Plug in the previously gathered values: (Steps per Revolution × Microstep × Reduction) / 360 = Steps per Degree  

Example: (200 × 16 × 2) / 360 = 17.77 Steps per Degree



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Motor Pully = 20 teeth
Other Pully = 20 teeth

Wheel Diamenter = 25mm
Gear Ratio = 1 [20 / 20]
Pulse/Revolution = ??????