How to control a Servo

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Result:

#include  

Servo myservo;  // create servo object to control a servo 
 // a maximum of eight servo objects can be created 

int pos = 90;    // variable to store the servo position 
const int maxDeg = 160;
const int minDeg = 5;

const int leftPin = 3;
const int rightPin = 2;

const int led1Pin = 6; // indicator
const int led2Pin = 5; // indicator

const int outputPin = 9; // pwm function will be disabled on pin 9 and 10 if using servo

int leftPressed = 0;
int rightPressed = 0;

void setup() 
{ 
myservo.attach(outputPin);  // attaches the servo on pin 9 to the servo object 
pinMode(leftPin, INPUT);
pinMode(rightPin, INPUT);
pinMode(led1Pin, OUTPUT);
pinMode(led2Pin, OUTPUT);
} 

void loop() 
{ 
leftPressed = digitalRead(leftPin);
rightPressed = digitalRead(rightPin);
 
 if(leftPressed){
 if(pos < maxDeg) pos += 3;
myservo.write(pos);              // tell servo to go to position in variable ‘pos’ 
digitalWrite(led1Pin,HIGH);
 }
 else
digitalWrite(led1Pin,LOW);
 
 if(rightPressed){
 if(pos > minDeg) pos -= 3;
myservo.write(pos);              // tell servo to go to position in variable ‘pos’ 
digitalWrite(led2Pin,HIGH);
 }
 else
digitalWrite(led2Pin,LOW);
 
delay(15);                       // waits 15ms for the servo to reach the position 

}