// do re mi fa sol la si do
int freqs[] = { 
  1915, 1700, 1519, 1432, 1275, 1136, 1014, 956};
void setup(){
  pinMode(11,OUTPUT);
  Serial.begin(9600);
}
void loop(){
  int value = analogRead(0);
  int tone = (value/100)%8;
  Serial.println(tone);
  for(int i=0; i<100; i++){
    digitalWrite(11,HIGH);
    delayMicroseconds(freqs[tone]);
    digitalWrite(11,LOW);
    delayMicroseconds(freqs[tone]);
  }
}