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

#include <TM1637.h>
#include <Servo.h>

const int CLK = 2;
const int DIO = 3;
int potPin = 2;    // select the input pin for the potentiometer
int val = 0;
Servo myservo;
int pos=0;
int sound = 1500;

TM1637 tm(CLK, DIO);

void setup() {
  tm.init();
  tm.set(BRIGHT_TYPICAL);
  myservo.attach(4);
  myservo.write(180);
}

unsigned int counter = 100;

void loop() {
  while(counter > 0){
    val = analogRead(potPin);
    tm.display(0, (counter / 1000) % 10);
    tm.display(1, (counter / 100) % 10);
    tm.display(2, (counter / 10) % 10);
    tm.display(3, counter % 10);
    
    if(counter <6){
      tone(7,sound,val);
      delay(val);
      sound = sound - 250;
    }
    delay(val);
    counter--;
    if (counter == 0) {
      tm.display(0, (counter / 1000) % 10);
      tm.display(1, (counter / 100) % 10);
      tm.display(2, (counter / 10) % 10);
      tm.display(3, counter % 10);
      tone(7,sound,1000);
      delay(1000);
      myservo.write(0);
      delay(1000);
      break;
    }
    

  
  }
}