Servo myservo;  // create servo object to control a servo
Servo myservo2;
Servo myservo3;

int potpin = 0;  // analog pin used to connect the potentiometer
int potpin2 = 1;
int potpin3 = 2;


int val;    // variable to read the value from the analog pin
int val2;
int val3;


void setup()
{
  myservo.attach(3);  // attaches the servo on pin 9 to the servo object
  myservo2.attach(5);
  myservo3.attach(6);
}

void loop() 
{ 
  val = analogRead(potpin);            // reads the value of the potentiometer (value between 0 and 1023) 
  val = map(val, 0, 1023, 0, 180);     // scale it to use it with the servo (value between 0 and 180) 
  myservo.write(val);                  // sets the servo position according to the scaled value 
  
  val2 = analogRead(potpin2);            // reads the value of the potentiometer (value between 0 and 1023) 
  val2 = map(val2, 0, 1023, 0, 180);     // scale it to use it with the servo (value between 0 and 180) 
  myservo2.write(val2);                  // sets the servo position according to the scaled value
  
  val3 = analogRead(potpin3);            // reads the value of the potentiometer (value between 0 and 1023) 
  val3 = map(val3, 0, 1023, 0, 180);     // scale it to use it with the servo (value between 0 and 180) 
  myservo3.write(val3);                  // sets the servo position according to the scaled value
  
  
  
  
}