#include <Wire.h>
#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd1(0x27, 16, 2); 
LiquidCrystal_I2C lcd2(0x3F, 16, 2); 

#define M_Led1 0 
#define K_Led1 2
#define H_Led1 15

void setup() {
  lcd1.init();                      
  lcd1.backlight();                 
  lcd1.setCursor(0, 0);
  lcd1.print("Traffic Light 1");

  lcd2.init();                      
  lcd2.backlight();                 
  lcd2.setCursor(0, 0);
  lcd2.print("Traffic Light 2");
  
  pinMode(M_Led1, OUTPUT);      
  pinMode(K_Led1, OUTPUT);
  pinMode(H_Led1, OUTPUT);
}

void loop() {
  lcd1.clear();
  lcd1.setCursor(0, 0);
  lcd1.print("Merah _ STOP");
  digitalWrite(M_Led1, HIGH);
  digitalWrite(K_Led1, LOW);
  digitalWrite(H_Led1, LOW);
  delay(5000);  

  lcd1.setCursor(0, 0);
  lcd1.print("Kuning _ SIAP");
  digitalWrite(M_Led1, LOW);
  digitalWrite(K_Led1, HIGH);
  digitalWrite(H_Led1, LOW);
  delay(2000); 

  lcd1.setCursor(0, 0);
  lcd1.print("Hijau _ MAJU");
  digitalWrite(M_Led1, LOW);
  digitalWrite(K_Led1, LOW);
  digitalWrite(H_Led1, HIGH);
  delay(5000); 
}