int led1=8;
int buzzer=9;
void setup() {
// put your setup code here, to run once:
Serial.begin(9600);
pinMode(led1,OUTPUT);
pinMode(buzzer,OUTPUT);
}
void loop() {
// put your main code here, to run repeatedly:
unsigned long value=analogRead(A0);
Serial.println(value);
if(value<300)
{
digitalWrite(led1,HIGH);
}
else
{
digitalWrite(led1,LOW);
}
if(value<250)
{
tone(buzzer,1500,300);
delay(500);
}
else
{
noTone(buzzer);
}
delay(100);
}