#include <TM1637.h>

// Define the CLK and DIO pins for both displays
#define CLK1 4
#define DIO1 5
#define CLK2 2
#define DIO2 3

// Create two display objects
TM1637 display1(CLK1, DIO1);
TM1637 display2(CLK2, DIO2);

void setup() {
  display1.init(); // Initialize the first display
  display1.set(BRIGHT_TYPICAL); // Set brightness for the first display
  display1.point(POINT_OFF); // Turn off the colon point for the first display
  displayNumber(display1, 1234);

  display2.init(); // Initialize the second display
  display2.set(BRIGHT_TYPICAL); // Set brightness for the second display
  display2.point(POINT_OFF); // Turn off the colon point for the second display
  displayNumber(display2, 3456);
}

void loop() {
  // No need to update the display in the loop
}


void displayNumber(TM1637 &display, int number) {
    if (number < 0 || number > 9999) {
        // Handle error if number is not a 4-digit integer
        Serial.println("Error: Number out of range (0-9999)");
        return;
    }

    // Extract and display each digit
    display.display(0, number / 1000);              // Thousands place
    display.display(1, (number / 100) % 10);        // Hundreds place
    display.display(2, (number / 10) % 10);         // Tens place
    display.display(3, number % 10);                // Ones place
}