Geared Stepper Motol

DC 5V 4 Phase 5 Wire Stepper Motor With ULN2003 Driver Board
ULN2003 stepper motor driver board + 5V stepper motor stepper motor

http://www.electrodragon.com/w/Category:Stepper

The 28-BYJ48 Even comes with Breakout using ULN2003 As a Motor driver chip Specification for this Motor 

Rated voltage ： 5VDC
Number of Phase 4
Speed Variation Ratio 1/64
Stride Angle 5.625° /64
Frequency 100Hz
DC resistance 50Ω±7%(25℃)
Idle In-traction Frequency > 600Hz
Idle Out-traction Frequency > 1000Hz
In-traction Torque >34.3mN.m(120Hz)
Self-positioning Torque >34.3mN.m
Friction torque 600-1200 gf.cm
Pull in torque 300 gf.cm
Insulation grade A

28BYJ-48 Stepper Motor and ULN2003 Driver Intro

Control a Stepper Motor using an Arduino and a Rotary Encoder - Tutorial - Part 1

Control a Stepper motor using an Arduino a Rotary Encoder and Easy Driver - Tutorial - Part2