Robot Art show

Copy of our code

//set the pins where the buttons, LEDs and buzzer connect

int button[] = {2, 4, 6, 8};  //red is button[0], yellow is button[1], green is button[2], blue is button[3]

int led[] = {3, 5, 7, 9};     //red is led[0], yellow is led[1], green is led[2], blue is led[3]

int tones[] = {262, 330, 392, 494};   //tones to play with each button (c, e, g, b)

int buzzerPin = 10;

void setup() {

pinMode(button[0], INPUT_PULLUP);

 pinMode(button[1], INPUT_PULLUP);

 pinMode(button[2], INPUT_PULLUP);

 pinMode(button[3], INPUT_PULLUP);

 //set all of the LED pins to output

 pinMode(led[0], OUTPUT);

 pinMode(led[1], OUTPUT);

 pinMode(led[2], OUTPUT);

 pinMode(led[3], OUTPUT);

 pinMode(buzzerPin, OUTPUT);   //set the buzzer pin to output

}

void loop() {

 if (digitalRead(button[0]) == LOW) {      //if the first key is pressed

   tone(buzzerPin, 2093); //play the frequency for c

   digitalWrite(led[0], HIGH);

 }

 else if (digitalRead(button[1]) == LOW) { //if the second key is pressed

   tone(buzzerPin, 2349);                     //play the frequency for d

   digitalWrite(led[1], HIGH);

 }

 else if (digitalRead(button[2]) == LOW) { //if the third key is pressed

   tone(buzzerPin, 2637);                     //play the frequency for e

   digitalWrite(led[2], HIGH);

 }

 else if (digitalRead(button[3]) == LOW) { //if the third key is pressed

   tone(buzzerPin, 3135);                     //play the frequency for f

   digitalWrite(led[3], HIGH);

 }

else {

   noTone(buzzerPin);

   digitalWrite(led[0], LOW);

   digitalWrite(led[1], LOW);

   digitalWrite(led[2], LOW);

   digitalWrite(led[3], LOW);

 }

 }