#include "stm32c0xx.h"

int led1 = A1;
int led2 = A2;
int led3 = A3;

void setup() {
  pinMode(led1, OUTPUT);
  pinMode(led2, OUTPUT);
  pinMode(led3, OUTPUT);
}
void loop() {
  int i = 1;
  while(i <= 4) 
  {
    int t;

    if(i == 1){
      t = 1000;   // iterasi 1 (lambat)
    }
    else if(i == 2){
      t = 600;    // iterasi 2 lebih cepat
    }
    else if(i == 3){
      t = 300;    // iterasi 3 paling cepat
    }
    else if(i == 4){
      t = 500;    // iterasi 4 lebih lambat dari iterasi 3
    }

    digitalWrite(led1, HIGH);
    delay(t);
    digitalWrite(led1, LOW);

    digitalWrite(led2, HIGH);
    delay(t);
    digitalWrite(led2, LOW);

    digitalWrite(led3, HIGH);
    delay(t);
    digitalWrite(led3, LOW);

    i++;
  }
}