int speakerPin = 8;
 
void setup() {
  pinMode(speakerPin, OUTPUT);
}
 
void loop() {
  digitalWrite(speakerPin, HIGH);
  delay(1000);
  digitalWrite(speakerPin, LOW);
  delay(1000);
}

void setup (){
size (600,600);
}
void draw () {
line (0,0, mouseX, mouseY);
}