#include <Servo.h>

Servo Servo1;
Servo Servo2;

const int PIN_ButtonController1Positive = 11;
const int PIN_ButtonController1Negative = 13;
const int PIN_ButtonController2Positive = 8;
const int PIN_ButtonController2Negative = 10;
const int PIN_LedController1 = 12;
const int PIN_LedController2 = 9;
const int PIN_Servo1 = 3;
const int PIN_Servo2 = 5;
int POSITION_Servo1 = 82;
int POSITION_Servo2 = 90;

void setup()
{
  pinMode(PIN_ButtonController1Positive, INPUT);
  pinMode(PIN_ButtonController1Negative, INPUT);
  pinMode(PIN_ButtonController2Positive, INPUT);
  pinMode(PIN_ButtonController2Negative, INPUT);
  pinMode(PIN_LedController1, OUTPUT);
  pinMode(PIN_LedController2, OUTPUT);
  Servo1.attach(PIN_Servo1);
  Servo2.attach(PIN_Servo2);
}

void loop()
{
  int STATE_ButtonController1Positive = digitalRead(PIN_ButtonController1Positive);
  int STATE_ButtonController1Negative = digitalRead(PIN_ButtonController1Negative);
  int STATE_ButtonController2Positive = digitalRead(PIN_ButtonController2Positive);
  int STATE_ButtonController2Negative = digitalRead(PIN_ButtonController2Negative);

  if((STATE_ButtonController1Positive == LOW)||(STATE_ButtonController1Negative == LOW)||(STATE_ButtonController2Positive == LOW)||(STATE_ButtonController2Negative == LOW))
  {
    Servo1.write(POSITION_Servo1);
    Servo2.write(POSITION_Servo2);
    Servo1.detach();
    Servo2.detach();
  }
  if((STATE_ButtonController1Positive == HIGH)&&(POSITION_Servo1 < 180))
  {
    Servo1.attach(PIN_Servo1);
    digitalWrite(PIN_LedController1, HIGH);
    Servo1.write(POSITION_Servo1);
    POSITION_Servo1++;
    delay(20);
    Servo1.detach();
    digitalWrite(PIN_LedController1, LOW);
  }
  if((STATE_ButtonController1Negative == HIGH)&&(POSITION_Servo1 >= 0))
  {
    Servo1.attach(PIN_Servo1);
    digitalWrite(PIN_LedController1, HIGH);
    Servo1.write(POSITION_Servo1);
    POSITION_Servo1--;
    delay(20);
    Servo1.detach();
    digitalWrite(PIN_LedController1, LOW);
  }
  if((STATE_ButtonController2Positive == HIGH)&&(POSITION_Servo2 < 180))
  {
    Servo2.attach(PIN_Servo2);
    digitalWrite(PIN_LedController2, HIGH);
    Servo2.write(POSITION_Servo2);
    POSITION_Servo2++;
    delay(20);
    Servo2.detach();
    digitalWrite(PIN_LedController2, LOW);
  }
  if((STATE_ButtonController2Negative == HIGH)&&(POSITION_Servo2 >= 0))
  {
    Servo2.attach(PIN_Servo2);
    digitalWrite(PIN_LedController2, HIGH);
    Servo2.write(POSITION_Servo2);
    POSITION_Servo2--;
    delay(20);
    Servo2.detach();
    digitalWrite(PIN_LedController2, LOW);
  }
}