int dtect=8;
int sense=A0;
int buzzpin=9;
void setup()
{
pinMode(dtect,OUTPUT);
pinMode(sense,INPUT);
pinMode(buzzpin,OUTPUT);
digitalWrite(dtect,HIGH);
Serial.begin(9600);
}
void loop()
{
int val=analogRead(sense);
Serial.println(val);
if(val>=1005)
{
buzz(50);
}
}
void buzz(unsigned char time)
{
analogWrite(buzzpin,170);
delay(time);
analogWrite(buzzpin,0);
delay(time);
}