#include "function.h"
int red = 21;
int yellow = 19;
int green = 18;
int angka = 5;
void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP23!");
  pinMode(red, OUTPUT);
  pinMode(yellow, OUTPUT);
  pinMode(green, OUTPUT);

  while(angka >= 0){
    ON(red);
    ON(yellow);
    ON(green);
    angka--;
    Serial.println(angka);
  }
}

void loop() {
  // put your main code here, to run repeatedly:
}