#include <Servo.h>
#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27, 20, 4);

Servo s1;
Servo s2;
Servo s3;
Servo s4;

int p1 = 0;
int p2 = 1;
int p3 = 2;
int p4 = 3;
int val1;
int val2;
int val3;
int val4;

void setup() {
  s1.attach(6);
  s2.attach(10);
  s3.attach(9);
  s4.attach(11);

}

void loop() {
  val1 = analogRead(p1);
  val2 = analogRead(p2);
  val3 = analogRead(p3);
  val4 = analogRead(p4);
  val1 = map(val1, 0, 1023, 0, 180);
  val2 = map(val2, 0, 1023, 0, 180);
  val3 = map(val3, 0, 1023, 0, 180);
  val4 = map(val4, 0, 1023, 0, 180);
  s1.write(val1);
  s2.write(val2);
  s3.write(val3);
  s4.write(val4);
  delay(15); 
  lcd.init();
  lcd.backlight();
  lcd.setCursor(0, 0);
  lcd.print("servo 1: ");
  lcd.setCursor(9, 0);
  lcd.print(val1);
  lcd.setCursor(0, 1);
  lcd.print("servo 2: ");
  lcd.setCursor(9, 1);
  lcd.print(val2);
  lcd.setCursor(0, 2);
  lcd.print("servo 3: ");
  lcd.setCursor(9, 2);
  lcd.print(val3);
  lcd.setCursor(0, 3);
  lcd.print("servo 4: ");
  lcd.setCursor(9, 3);
  lcd.print(val4);
  
}