Other Arduino Codes and Videos by Robojax

Using TM1637 4 digits 7-Segment Display for Arduino

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This is the Arduino code for TM1637 4 digits display

This video shows you how to use TM1637 4 digit 7-segment display module for arduino. http://robojax.com/learn/arduino/
  1. download TM1637 Manual
  2. TM1637 Library (from Robojax.com)
  3. TM1637 Data sheet
  4. TM1637 Library (from GetHub)

 * This is the Arduino code for TM1637 4 digits display.
 *  * 
 * Written by Ahmad S. for Robojax Video
 * Date: Dec 06, 2017, in Ajax, Ontario, Canada
 * Permission granted to share this code given that this
 * note is kept with the code.
 * Disclaimer: this code is "AS IS" and for educational purpose only.

 * Original code from https://github.com/avishorp/TM1637
 * Modified for Robojax video on Dec 06, 2017

#include <Arduino.h>
#include <TM1637Display.h>

// Module connection pins (Digital Pins)
#define CLK 2
#define DIO 3

// The amount of time (in milliseconds) between tests
#define TEST_DELAY   2000

TM1637Display display(CLK, DIO);

void setup()

void loop()


  uint8_t data[] = { 0x0, 0x0, 0x0, 0x0 };
  display.showNumberDec(23, false, 2,1);
  display.showNumberDec(153, false, 3, 1);

  for(int i=0; i<=500; i++)


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