Serial.print(distance); //printing the numbers
Serial.print("cm"); //and the unit
Serial.println(" "); //just printing to a new line
if (distance < 35){
digitalWrite(buzzer,HIGH);
Serial.println("Buzzer On");
return true;
}else{
digitalWrite(buzzer,LOW);
Serial.println("Buzzer off");
return false;
}
}
ultrasonic us_sensor = ultrasonic();
double Sensor::getSR04Reading()
{
Ultrasonic ultrasonic(index, index+1);
double reading = (double)ultrasonic.convert(ultrasonic.timing(), Ultrasonic::CM);
return reading;
}
