int Relay_in1 = 7 ;
int LED1 = 8 ;
int sw1 = 9 ;

int Relay_in2 = 10 ;
int LED2 = 11 ;
int sw2 = 12 ;

int Relay_in3 = 2 ;
int LED3 = 3 ;
int sw3 = 4 ;

int Relay_in4 = 5 ;
int LED4 = 6 ;
int sw4 = 13 ;


void setup () {
  Serial.begin(9600);
  pinMode(Relay_in1, OUTPUT);
  pinMode(LED1, OUTPUT);
  pinMode(sw1, INPUT_PULLUP);

  pinMode(Relay_in2, OUTPUT);
  pinMode(LED2, OUTPUT);
  pinMode(sw2, INPUT_PULLUP);


  pinMode(Relay_in3, OUTPUT);
  pinMode(LED3, OUTPUT);
  pinMode(sw3, INPUT_PULLUP);



  pinMode(Relay_in4, OUTPUT);
  pinMode(LED4, OUTPUT);
  pinMode(sw4, INPUT_PULLUP);

  Serial.println("Press SW FOR NO");
}

void loop () {
  int ATTC_sw1 = digitalRead(sw1);
  if (ATTC_sw1 == LOW) {
    Serial.println("LED1 ON");
    digitalWrite(Relay_in1, HIGH); //ถ้า sw1 ถูกกด
  } else {
    digitalWrite(Relay_in1, LOW);
    //Serial.println("LED1 OFF");
    }
delay(10);


    int ATTC_sw2 = digitalRead(sw2);
    if (ATTC_sw2 == LOW) {
      Serial.println("LED2 ON");
      digitalWrite(Relay_in2, HIGH); //ถ้า sw1 ถูกกด
    } else {
      digitalWrite(Relay_in2, LOW);
     // Serial.println("LED2 OFF");
  }
delay(10);


      int ATTC_sw3 = digitalRead(sw3);
      if (ATTC_sw3 == LOW) {
        Serial.println("LED3 ON");
        digitalWrite(Relay_in3, HIGH); //ถ้า sw1 ถูกกด
      } else {
        digitalWrite(Relay_in3, LOW);
        //Serial.println("LED3 OFF");
  }
delay(10);

        int ATTC_sw4 = digitalRead(sw4);
        if (ATTC_sw4 == LOW) {
          Serial.println("LED4 ON");
          digitalWrite(Relay_in4, HIGH); //ถ้า sw1 ถูกกด
        } else {
          digitalWrite(Relay_in4, LOW);
          //Serial.println("LED4 OFF");

        }
        delay(100);
      }