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Lesson 27 MAX7219 LED Dot Matrix Module
Overview
In this lesson, you will learn how to control an 8x8 dot-matrix display to implement the display
of graphical characters or digits you want.
Components Required
Name Qty Name Qty
UNO R3 or MEGA 2560 1 DuPont Wire 5
Max7219 Module 1
Component Introduction
This is an 8x8 LED matrix module which serially driven by the MAX7219
common-cathode display drivers. The 8x8 LED Matrix is easy to use and
compatible with Arduino, only needs three data lines and two power lines.
It can be used in lots of place like various types of electronic display panels.
Wiring Diagram
Result
The characters "UCTRONICS" will be displayed on the LED dot matrix module and then the
LEDs light up line by line. And repeat this way again and again.