Groamer

/******************************************
	FILE:		DEMO_Track Sensor.pde
	PURPOSE:	Track sensor test sketch for Arduino
	Created by Stan Lee from Iteadstuduino
	E-mail:		Lizq@iteadstudio.com
	DATE:		2013/4/20
*******************************************/

const int DSIGNAL = 2;
const int buzzer= 3;

void setup()
{
  pinMode(DSIGNAL, INPUT);
}

void loop()
{
  int DsignalState = digitalRead(DSIGNAL);
  if(DsignalState)
  {
¡¡¡¡digitalWrite(buzzer,LOW);
  }