#include <Servo.h>

Servo motor1;
Servo motor2;
Servo motor3;
Servo motor4;

const int potentiometer1 = A5;
const int potentiometer2 = A4;
const int potentiometer3 = A3;
const int potentiometer4 = A2;

const int motorPin1 = 9;
const int motorPin2 = 6;
const int motorPin3 = 5;
const int motorPin4 = 3;

void setup() {
  motor1.attach(motorPin1);
  motor2.attach(motorPin2);
  motor3.attach(motorPin3);
  motor4.attach(motorPin4);
}

void loop() {
  int readValue1 = analogRead(potentiometer1);
  int readValue2 = analogRead(potentiometer2);
  int readValue3 = analogRead(potentiometer3);
  int readValue4 = analogRead(potentiometer4);

  int angle1 = map(readValue1, 0, 1023, 0, 180);
  int angle2 = map(readValue2, 0, 1023, 0, 180);
  int angle3 = map(readValue3, 0, 1023, 0, 180);
  int angle4 = map(readValue4, 0, 1023, 0, 180);

  motor1.write(angle1);
  motor2.write(angle2);
  motor3.write(angle3);
  motor4.write(angle4);

  delay(15);
}