When a stepper motor requires a sequence of four different on-off combinations (e.g., wire 1 on, 2 on, 3 off, 4 off) cycled repeatedly to continue rotating, is a group of four
![DC Motors The stator is the stationary outside part of a motor. The rotor is the inner part which rotates. Just as the rotor reaches alignment, the brushes. - ppt download DC Motors The stator is the stationary outside part of a motor. The rotor is the inner part which rotates. Just as the rotor reaches alignment, the brushes. - ppt download](https://slideplayer.com/slide/14702807/90/images/10/Full+step+sequence+showing+how+binary+numbers+can+control+the+motor.jpg)
DC Motors The stator is the stationary outside part of a motor. The rotor is the inner part which rotates. Just as the rotor reaches alignment, the brushes. - ppt download
![arduino - "Standard orientation" for stepper motors in data sheets - Electrical Engineering Stack Exchange arduino - "Standard orientation" for stepper motors in data sheets - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/nyeOe.gif)