The primary feature of stepper motors is listed right within their name: their ability to ‘step’ forwards and backwards, something which they (ideally) can do perfectly in sync with the input provided ...

[Arshad Pathan] let us know about his latest project, a modular code lock that can be adapted to many different situations. The user interface is made up of a character LCD screen and a 3×4 keypad.

Stepper motors resemble servo motors in that both types are characterized by an ability to rotate a partial turn and then stop for any interval with or without holding torque. In addition, both motor ...