int sensor=8;
int led1=9;
int buzzer=10;
void setup() {
// put your setup code here, to run once:
pinMode(sensor,INPUT);
pinMode(led1,OUTPUT);
pinMode(buzzer,OUTPUT);
Serial.begin(9600);
}
void loop() {
// put your main code here, to run repeatedly:
if(digitalRead(sensor)==HIGH)
{
digitalWrite(led1,HIGH);
Serial.println("ON");
tone(buzzer,2000);
}
else
{
digitalWrite(led1,LOW);
Serial.println("OFF");
noTone(buzzer);
}
delay(2000);
}