int state;
int state2;
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd (0x27, 20, 4);
void setup(){
Serial.begin(115200);
pinMode(13, INPUT);
pinMode(14, INPUT);
pinMode(2, OUTPUT);
pinMode(22, OUTPUT);
lcd.init();
lcd.backlight();
}
void loop() {
state=digitalRead(13);
if(state==1)
digitalWrite(2, HIGH);
lcd.setCursor(0, 0);
lcd.print("Merah nyala");
else
digitalWrite(2, LOW);
state2=digitalRead(14);
if(state2==1)
digitalWrite(22, HIGH);
lcd.setCursor(0, 1);
lcd.print("Hijau nyala");
else
digitalWrite(22, LOW);
}