#include <Servo.h>
Servo servo1;
Servo servo2;
Servo servo3;
Servo servo4;
int pot1 = A0;
int pot2 = A1;
int pot3 = A2;
int pot4 = A3;
int valPot1;
int valPot2;
int valPot3;
int valPot4;

void setup() {
  // put your setup code here, to run once:
servo1.attach(3);
servo2.attach(5);
servo3.attach(6);
servo4.attach(9);
}

void loop() {
  // put your main code here, to run repeatedly:
valPot1 = analogRead(pot1);
valPot1 = map (valPot1, 0, 1023, 0, 180);
servo1.write(valPot1);
delay(15);

valPot2 = analogRead(pot2);
valPot2 = map (valPot2, 0, 1023, 0, 180);
servo2.write(valPot2);
delay(15);

valPot3 = analogRead(pot3);
valPot3 = map (valPot3, 0, 1023, 0, 180);
servo3.write(valPot3);
delay(15);

valPot4 = analogRead(pot4);
valPot4 = map (valPot4, 0, 1023, 0, 180);
servo4.write(valPot4);
delay(15);
}