#include <TM1637.h>
const int CLK = 2;
const int DIO=3;
TM1637 tm(CLK, DIO);
void setup() {
  tm.init();
  tm.set(7);
}
unsigned int counter=0;
void loop(){
  tm.display(0, (counter/1000)%10);
  tm.display(1, (counter/100)%10);
  tm.display(2, (counter/10)%10);
  tm.display(3, counter %10);
  counter++;
  if (counter==100) {
    counter=0;
  }
  delay(100);


}