5Pcs 0.56 Inch Red LED Display Tube 4-Digit 7-segments Module RobotDyn for Arduino - products that work with official Ar

Feature This is a basic 4 digit 7 segment display moduleThe display features double points in midle The decimal point per digit not active Module connecting to digital I O on 2 pins For use library TM1637 hColor RedPackage includes 5 x Red LED Display Tube ModuleExample1 Clock example example Extended class example Display a clock on the display For this demo you can add a speed multiplier to make the clock run faster For a real clock you want to use a delay of 1 min or even use a Real Time Clock module RTC The circuit connect TM1637 pin CLK to pin D4 connect TM1637 pin DIO to pin D5 connect TM1637 pin Vcc to pin 5V connect TM1637 pin GND to pin GND include the SevenSegmentTM1637 library include SevenSegmentTM1637 h include SevenSegmentExtended h initialize global TM1637 Display object The constructor takes two arguments the number of the clock pin and the digital output pin SevenSegmentTM1637 byte pinCLK byte pinDIO const byte PIN CLK 4 define CLK pin any digital pin const byte PIN DIO 5 define DIO pin any digital pin SevenSegmentExtended display PIN CLK PIN DIO const unsigned int clockSpeed 10000 speed up clock for demo run setup codevoid setup Serial begin 9600 initializes the Serial connection 9600 bauddisplay begin initializes the displaydisplay setBacklight 100 set the brightness to 100 delay 1000 wait 1000 ms run loop forever void loop byte hours 14 initialize hoursbyte