The Singing Relay

/* Created by waterlubber
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The Singing Relay


This is liscensed under GPL V3
http://opensource.org/licenses/GPL-3.0
I am not liable for any damages caused by this software. Use it at your own
risk. It is provided AS IS without any guarentees.
-----
This uses the relay shield from seeedstudio. http://seeedstudio.com
You may connect a buzzer's input +5V terminal to the pins configured
below. It requires a serial connection.

Type in a number from 0-1000. 1000 being 500 Hz and 0 being 1 Hz.
*/
int buzzer = 7; //Pre-Configured Pins
int buzzer2 = 4;
int value = 0;

void setup() {
  Serial.begin(9600); //Serial Baud Rate 9600
  pinMode(buzzer, OUTPUT);
  pinMode(buzzer2, OUTPUT);

}

void loop() {
  while (Serial.available() > 0) { //Checks for data in serial buffer
    value = Serial.parseInt(); //Turns data into a number.
    Serial.println(value); //Returns the data, for troubleshooting.
  }
  digitalWrite(buzzer, HIGH);
  delay((1001 -value) / 30);
  digitalWrite(buzzer2, HIGH);
  delay(1001-value);
  digitalWrite(buzzer, LOW);
  delay((1001 - value) / 30);
  digitalWrite(buzzer2, LOW);
  delay(1001-value);
}