Learn how to use servo motor library, servo library reference.
How to control a servomotor without arduino servo library
Servo Library and PID library combined together. - Robotics - Arduino Forum
Servo.h, where can I get the detail? - Programming Questions - Arduino Forum
CS207: Servos, Libraries and For Loops
Basic servo control Arduino Documentation
Getting Started with Servo Motors using an Arduino – MakerSupplies Singapore
Control a Servo with Arduino • AranaCorp
How to Control Servos With the Arduino - Circuit Basics
Arduino tutorial 7- How to control Servo motor with Arduino (code explained)