#include <LiquidCrystal.h>

 LiquidCrystal lcd(12, 11, 5, 4, 3, 2);
const int btn = 6;
const int ledH = 9;
const int ledK = 8;
const int ledM = 7;

void setup() {
 // put your setup code here, to run once:

 lcd.begin(16, 2);

 pinMode(btn, INPUT);
 pinMode(ledH, OUTPUT);
 pinMode(ledK, OUTPUT);
 pinMode(ledM, OUTPUT);
}

void loop() {
// put your main code here, to run repeatedly:
int statusBtn = digitalRead(btn);
if(statusBtn==HIGH){
digitalWrite(ledK, HIGH);
 lcd.clear();
 lcd.setCursor(1,0);
 lcd.print("kuning menyala");
 delay(3000);
 digitalWrite(ledK, LOW);
 digitalWrite(ledM, HIGH);
 lcd.clear();
 lcd.setCursor(1,0);
 lcd.print("merah menyala");
 delay(5000);
 digitalWrite(ledK, HIGH);
 lcd.setCursor(1,1);
 lcd.print("kuning menyala");
 delay(2000);
 digitalWrite(ledH, HIGH);
 digitalWrite(ledK, LOW);
 digitalWrite(ledM, LOW);
 lcd.clear();
 lcd.setCursor(1,0);
 lcd.print("hijau menyala");
 delay(3000);
 digitalWrite(ledH, LOW);
 lcd.clear();
 lcd.setCursor(1,0);
 lcd.print("all led off");
 }
}