Buzzerを鳴らす

Sketch

/*
Buzzer
Drive a piezoelectric buzzer with Arduino
http://tronixstuff.wordpress.com/tutorials > Chapter 13
*/
int ledPin=13;  //monitor
int buzzerPin=10; //ブザーを接続
void setup()
{
     pinMode(ledPin, OUTPUT);   // sets the pin as output
     pinMode(buzzerPin, OUTPUT);   // sets the pin as output
}
void loop()
{
     digitalWrite(ledPin, HIGH);
     analogWrite(buzzerPin,128);   //音量 半分
     delay(500);
     digitalWrite(ledPin, LOW);　　　
     analogWrite(buzzerPin, 0);　　//消音
     delay(500);
}