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Display random number on multi MAX7219 led display using Nodemcu v2

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RANDOM NUMBER DISPLAY

This project was created on PlatformIO an open source ecosystem for IoT development.

I'm using a Nodemcu v2 board and 2 seven segment MAX7219 led display.

Display a random number on MAX7219 display, you can handle a display array.

Setup

In main.cpp file you can define some vars to setup your environment.

Number of displays

#define DISPLAYS 2

Number of digits in displays

#define DISPLAYDIGITS 8

Min and Max random values*

#define MINRANDOM 100000
#define MAXRANDOM 99999999