//LED CONTROL USING RELAY
#define LED 27
void setup() {
  // put your setup code here, to run once:
  pinMode(LED,OUTPUT);
  Serial.begin(9600);
}

void loop() {
  // put your main code here, to run repeatedly:
    digitalWrite(LED,HIGH);
    Serial.println("LED ON");
    delay(2000);
    digitalWrite(LED,LOW);
    Serial.println("LED OFF");
    delay(2000);
}