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4 Digit LED Display Tube 7 Segments TM1637 50x19mm Red Clock Display Colon RobotDyn for Arduino – products that work with official Arduino boards

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                  Feature:
                   
                  This is a basic 4-digit 7-segment display module.
                  The display features double points in midle. 
                  The decimal point per digit not active.
                  Module connecting to digital I/O on 2 pins.
                  For Arduino use library: TM1637.h

                  Package includes:

                  1 x LED Display Tube

                  Sketch:
                   
                  #include "TM1637.h" // include the TM1637 library
                  TM1637 display(2, 3);// // initialize the library for pins 2, 3
                   
                  void setup()
                  {
                  display.init(); // Start display
                  display.set(7); //Setup brightness 0 to 7
                  int8_t Disp[4]; //Dimension of digits
                  }
                  void loop()
                  {
                   
                  Disp[0] = 1; //Write digits to dimension
                  Disp[1] = 2;
                  Disp[2] = 3;
                  Disp[3] = 4;
                  display.display(Disp); //Show dimension(digits) to display
                  }
                   

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