// TM1637 SevenSegment Counter Wokwi Example
//
// https://wokwi.com/projects/339227323398095442

#include <TM1637.h>

const int CLK = 2;
const int DIO = 3;

TM1637 tm(CLK, DIO);

void setup() {
  tm.init();
  tm.set(BRIGHT_TYPICAL);
  pinMode(LED_BUILTIN, OUTPUT);
}

unsigned int countdown = 100;

void loop() {
  tm.display(0, (countdown / 10000) % 10);
  tm.display(1, (countdown / 1000) % 10);
  tm.display(2, (countdown / 100) % 10);
  tm.display(3, (countdown / 10) % 10);

  countdown--;
  if (countdown == 0) {
    digitalWrite(LED_BUILTIN, HIGH);
    delay(5000);
    countdown = 100;
    digitalWrite(LED_BUILTIN, LOW);
  }
  delay(100);
}