patapon.ino

void setup(){
  Serial.begin(9600);
  
  pinMode(2, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(7, OUTPUT);
  pinMode(8, OUTPUT);
}

void loop(){
  int inputchar;
  
  inputchar = Serial.read();
  if(inputchar != -1 ){
    switch(inputchar){
    case '2':
      high_low(2);
      break;
    
    case '4':
      high_low(4);
      break;
    
    case '7':
      high_low(7);
      break;
      
    case '8':
      high_low(8);
      break;
    }
  }
  else{  }
  
}
void high_low(int pin){
      digitalWrite(pin, HIGH);
      delay(200); 
      digitalWrite(pin, LOW);
      delay(100);
}