gistfile1.txt

// object lab 3 part 3

int photoValue = 0; // stores value of light sensor
int photoPin = A0; // analog input
int potValue = 0; // stores value of potentiometer
int potPin = A1; // analog input
int speakerPin = 8; // speaker output
float sound = 0; // stores frequenct variable for speaker

void setup() {
  // initialize serial communications
  Serial.begin(9600);
  pinMode(speakerPin, OUTPUT);
}

void loop() {
 photoValue = analogRead(photoPin); // read the analog input of photometer
 potValue = analogRead(potPin); // read the analog input of potentiometer

  // debug print to serial monitor
  Serial.print("Photo value:    ");
  Serial.print(photoValue);
  Serial.print("    Potentiometer value:    ");
  Serial.println(potValue);

  // Here are the four notes of my the song
  // C plays if the photo sensor is covered and the potentiometer is high
  if((photoValue < 300) && (potValue > 1000)){
      tone(8, 523.251, 500); // C  
  }
  // D plays if the photo sensor is covered and the potentiometer is low
  else if((photoValue < 300) && (potValue < 1000)){
      tone(8, 587.33, 500); // D   
  }
  // E plays if the photo sensor is uncovered and the potentiometer is high
  else if((photoValue > 700) && (potValue > 1000)){
      tone(8, 659.255, 500); // E   
  }
  // F plays if the photo sensor is uncovered and the potentiometer is low
  else if((photoValue > 700) && (potValue < 1000)){
      tone(8, 698.456, 500); // F
  }

}