#include<Arduino.h>
#define LED 2 
#define BUTTON 16
const int relay = 26;
int buttonState;

void setup(){
	Serial.begin(9600);
	pinMode(relay,OUTPUT);
	digitalWrite(relay,HIGH);
	Serial.begin(9600);
	pinMode(LED, OUTPUT);
	pinMode(BUTTON, INPUT);
	digitalWrite(LED,LOW);

}
void loop(){
	buttonState = digitalRead(BUTTON);
	if(buttonState == HIGH){
	digitalWrite(LED,HIGH);	
	}
	else{
	digitalWrite(LED,LOW);
	}

	digitalWrite(relay,LOW);
	Serial.println(" ĐÈN BẬT ");
	delay(2000);

	digitalWrite(relay, HIGH);
	Serial.println(" ĐÈN TẮT ");
	delay(2000);
}