// LCD1602 to Arduino Uno connection example
#define BUTTON_PIN 16
#define RELE 17
byte lastButtonState = HIGH;
unsigned long debounceDuration = 50; // millis
unsigned long lastTimeButtonStateChanged = 0;
#include <LiquidCrystal.h>

LiquidCrystal lcd(12, 11, 10, 9, 8, 7);

void setup() {
  lcd.begin(16, 2);
  // you can now interact with the LCD, e.g.:
  lcd.print("Hello World!");
  pinMode(BUTTON_PIN, INPUT);
  pinMode(RELE, OUTPUT);
  delay(1000);            // waits for a second
  lcd.clear();
}

void loop() {
    if (millis() - lastTimeButtonStateChanged > debounceDuration) {
      byte buttonState = digitalRead(BUTTON_PIN);
      if (buttonState != lastButtonState) {
      lastTimeButtonStateChanged = millis();
      lastButtonState = buttonState;
      if (buttonState == LOW) {
        // do an action, for example print on Serial
        lcd.print("POWER");
        digitalWrite(RELE, HIGH); // sets the digital pin 13 on
        delay(1000);            // waits for a second
        digitalWrite(RELE, LOW); // sets the digital pin 13 on
        delay(1000);            // waits for a second
        lcd.clear();
              }
    }
  }
}