#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,16,2);

int analogPIN = A0;
int led = (5,4,3);
int angka = 0;

void setup() {
  // put your setup code here, to run once:
 Serial.begin(9600);
 pinMode(3, OUTPUT);
 pinMode(4, OUTPUT);
 pinMode(5, OUTPUT);
 lcd.init();
 lcd.clear();
 lcd.backlight();
}

void loop() {
  // put your main code here, to run repeatedly:
int val = analogRead(analogPIN);
val = map(val, 0,1023,0,255);
lcd.setCursor(0,0);
lcd.print("kelompok 6");
lcd.setCursor(0,1);
lcd.print(angka);
Serial.print("output berhasil : ");
Serial.println(val);
Serial.println(angka);
for( int i = 0; i<5; i++){
analogWrite(5, HIGH);
analogWrite(4, HIGH);
analogWrite(3, HIGH);
delay(500);
analogWrite(5, LOW);
analogWrite(4, LOW);
analogWrite(3, LOW);
delay(500);

}
if (val >= 0 && val <= 33){
  analogWrite(5, HIGH);
} else if ( val > 33 && val <= 66){
  analogWrite(5, HIGH);
  analogWrite(4, HIGH);
}else if ( val > 66 && val <= 99){
  analogWrite(5,HIGH);
  analogWrite(4,HIGH);
  analogWrite(3,HIGH);
}else if( val == 100){

}
delay(250);
angka = angka + 1;
}