int buttons[]={2,0,0,0,0,0}; // A B C D E F // A int notes[] = {262,294,330,349}; void setup() { pinMode(A0, INPUT); Serial.begin(9600); } void loop() { int keyVal = analogRead(A0); Serial.println(keyVal); if(keyVal == 1023){ tone(8, notes[0]); } else if (keyVal >= 990 && keyVal <= 1010){ tone(8, notes[1]); } else if (keyVal >= 505 && keyVal <= 515){ tone (8, notes[2]); } else if(keyVal >= 5 && keyVal <=10){ tone(8, notes[3]); } else{ noTone(8); } }