VUMETER.ino

//EDISON SCIENCE CORNER
//EDISON SCIENCE CORNER
//EDISON SCIENCE CORNER
int analogPin = A0;               
                   
int val = 0;                      

void setup() {
  Serial.begin(9600);             
  for (int i = 2; i <=13; i++) { 
    pinMode(i, OUTPUT);
  }
          
}

void loop() {
  val = analogRead(analogPin);              
  Serial.println(val);                      
  int analogvalue=val/10;                   
  for (int x = 2; x <= analogvalue; x++) {  
    digitalWrite(x, HIGH);
  }
  for (int y = 13; y >= analogvalue; y--) { 
    digitalWrite(y, LOW);
  }
}
//EDISON SCIENCE CORNER
//EDISON SCIENCE CORNER
//EDISON SCIENCE CORNER