Here is the schematic view.
Parts list:
Arduino UNO R3
A4988 stepper motor drive
NEMA 17 bipolar motor
16 pin LCD screen
3 pushbutton (Start, reset and pause button)
3 resistors 2.2ohm (for the pushbuttons)
1 resistor 220ohm (for the screen)
1 potentiometer (for the screen)
1 Switch (on off power switch)
1 capacitor 47µF
1 battery (8x AA batteries)