#include<LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 20, 4);
int ledmerah=7;
int ledhijau=6;
int ledbiru=5;
int ledkuning=4;

void setup() {
  // put your setup code here, to run once:
lcd.init();
lcd.backlight();
lcd.clear();
pinMode(ledmerah, OUTPUT);
pinMode(ledhijau, OUTPUT);
pinMode(ledbiru, OUTPUT);
pinMode(ledkuning, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
lcd.setCursor(0,0); lcd.print("LED MERAH");
lcd.setCursor(0,1); lcd.print("           ");
lcd.setCursor(0,2); lcd.print("           ");
lcd.setCursor(0,3); lcd.print("           ");
digitalWrite(ledmerah, HIGH);
digitalWrite(ledhijau, LOW);
digitalWrite(ledbiru, LOW);
digitalWrite(ledkuning, LOW);
delay(1000);

lcd.setCursor(0,0); lcd.print("            ");
lcd.setCursor(0,1); lcd.print("LED HIJAU");
lcd.setCursor(0,2); lcd.print("            ");
lcd.setCursor(0,3); lcd.print("            ");
digitalWrite(ledmerah, LOW);
digitalWrite(ledhijau, HIGH);
digitalWrite(ledbiru, LOW);
digitalWrite(ledkuning, LOW);
delay(1000);

lcd.setCursor(0,0); lcd.print("            ");
lcd.setCursor(0,1); lcd.print("            ");
lcd.setCursor(0,2); lcd.print("LED BIRU");
lcd.setCursor(0,3); lcd.print("            ");
digitalWrite(ledmerah, LOW); 
digitalWrite(ledhijau, LOW);
digitalWrite(ledbiru, HIGH);
digitalWrite(ledkuning, LOW);
delay(1000);
 
lcd.setCursor(0,0); lcd.print("            ");
lcd.setCursor(0,1); lcd.print("            ");
lcd.setCursor(0,2); lcd.print("            ");
lcd.setCursor(0,3); lcd.print("LED KUNING");
digitalWrite(ledmerah, LOW);
digitalWrite(ledhijau, LOW);
digitalWrite(ledbiru, LOW);
digitalWrite(ledkuning, HIGH);
delay(1000);

}