how can i control motion of stepper motor
how do i programme a stepper motor.
how do i contruct a half stepping motor.
how do i construct a switch which switches off the circuit after 5 minutes of turning it on.
i need help on these topics as i have to work on a project involving all these parts. i have tried it a lot but can't get a proper solution.
please help

 

http://www.allaboutcircuits.com/vol_2/chpt_13/5.html