#include<Servo.h>
Servo myservoA;
Servo myservoB;
Servo myservoC;
Servo myservoD;

int potpinA = A0;
int potpinB = A1;
int potpinC = A2;
int potpinD = A3;

int valA;
int valB;
int valC;
int valD;
void setup() {
  // put your setup code here, to run once:
  myservoA.attach(3);
  myservoB.attach(5);
  myservoC.attach(9);
  myservoD.attach(10);
}

void loop() {
  // put your main code here, to run repeatedly:
  valA = analogRead(potpinA);
  valA = map(valA, 0, 1023, 0, 45);
  myservoA.write(valA);
  delay(15);

  valB = analogRead(potpinB);
  valB = map(valB, 0, 1023, 0, 90);
  myservoB.write(valB);
  delay(15);

  valC = analogRead(potpinC);
  valC = map(valC, 0, 1023, 0, 135);
  myservoC.write(valC);
  delay(15);

  valD = analogRead(potpinD);
  valD = map(valD, 0, 1023, 0, 180);
  myservoD.write(valD);
  delay(15);
}