How To Build A WIFI Controlled LED Matrix Sign

Here is a little LED matrix sign which you can turn from side to side. You can control what is displayed on the LED matrix sign by the android app or a web browser 

What You Will Need To Create This LED Matrix Sign

  1.  1x Node Mcu Micro Controller
  2.  1x SG90 9g Mini Servo 
  3.  1x MAX7219 Dot Matrix Module

The first thing you have to do is head to this link
(“ https://github.com/markruys/arduino-Max72xxPanel/blob/master/Max72xxPanel.h “)
To download the needed library and install it in your Arduino IDE. Once you have your Arduino IDE set up all you need to do is download the code, cad and App files provided below

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