soon_곧

const int buttonPin1 = 2;     // the number of the pushbutton pin
const int buttonPin2 = 4;     // the number of the pushbutton pin
const int buttonPin3 = 7;     // the number of the pushbutton pin
const int ledPin[] =  {3, 5, 6, 9, 10, 11};      // the number of the LED pin

// variables will change:
int buttonState1 = 0;         // variable for reading the pushbutton status
int buttonState2 = 0;         // variable for reading the pushbutton status
int buttonState3 = 0;         // variable for reading the pushbutton status

void setup() {

  // initialize the pushbutton pin as an input:
  pinMode(buttonPin1, INPUT);
  pinMode(buttonPin2, INPUT);     
  pinMode(buttonPin3, INPUT);     
}

void loop(){
  // read the state of the pushbutton value:
  buttonState1 = digitalRead(buttonPin1);
  buttonState2 = digitalRead(buttonPin2);
  buttonState3 = digitalRead(buttonPin3);

  // check if the pushbutton is pressed.
  // if it is, the buttonState is HIGH:
  if (buttonState1 == HIGH) {
    for(int i = 0; i < 6; i++){
      if(checkSensor1() == HIGH) break;
      analogWrite(ledPin[i], 255);
      delay(100);
      analogWrite(ledPin[i], 0);
      delay(100);
    }
    for(int i = 4; i > 0; i--){
      if(checkSensor1() == HIGH) break;
      analogWrite(ledPin[i], 255);
      delay(100);
      analogWrite(ledPin[i], 0);
      delay(100);
    }
  } else if(buttonState2 == HIGH) {
    for(int i = 0; i < 6; i++){
      for(int fadeValue = 0 ; fadeValue <= 255; fadeValue +=5) { 
        if(checkSensor2() == HIGH) break;
        analogWrite(ledPin[i], fadeValue);         
        delay(15);                            
      } 
  
      // fade out from max to min in increments of 5 points:
      for(int fadeValue = 255 ; fadeValue >= 0; fadeValue -=5) { 
        if(checkSensor2() == HIGH) break;
        analogWrite(ledPin[i], fadeValue);         
        delay(15);                            
      }
    }
  } else if(buttonState3 == HIGH) {
    for(int i = 0; i < 6; i++){
      analogWrite(ledPin[i], 255);
    }
    delay(100);
     for(int i = 0; i < 6; i++){
      analogWrite(ledPin[i], 0);
    }
    delay(100);
  } else {
    for(int i = 0; i < 6; i++){
      analogWrite(ledPin[i], 0);
    }
  }
      
}

int checkSensor1(){
  buttonState1 = digitalRead(buttonPin1);

  if (buttonState1 == 0) {
    return 1;
  } else {
    return 0;
  }
}

int checkSensor2(){
  buttonState2 = digitalRead(buttonPin2);

  if (buttonState2 == 0) {
    return 1;
  } else {
    return 0;
  }
}

int checkSensor3(){
  buttonState3 = digitalRead(buttonPin3);
  
  if (buttonState3 == 0) {
    return 1;
  } else {
    return 0;
  }

}