You must always be confused when you are asked about difference between microprocessors and microcontrollers. As it seems to be same but it’s not. So let’s discuss about them and point out the major differences between them.

Stepper motor is brushless DC motor, which can be rotated in small angles, these angles are called steps. Generally stepper motor use 200 steps to complete 360 degree rotation, means its rotate 1.8 degree per step. Stepper motor used in many devices which needs precise rotational movement like robots, antennas, hard drives etc.

Webster’s Dictionary defines “multiplex” as “many” or “multiple”. Coincidentally, in an electronics context the word can have several meanings. Whilst they all share the intention to economize on the number of connections used, there are subtle differences.