Bukit Mertajam, Penang

Displaying on MAX7219 Dot Matrix Using Raspberry Pi

Introduction

If you want to have a bigger number or string display, you can consider to use 4 In 1 MAX7219 Dot Matrix Display Module. In this tutorial, we will show you how to interface MAX7219 Dot Matrix with Raspberry Pi based on Luma.LED_Matrix library. Credit to Richard Hull.

Video

This video shows how to display on 4 in 1 MAX7219 Dot Matrix Display module using Raspberry Pi based on Luma.LED_matrix library.

Hardware Preparation

Wiring Connections

4 In 1 MAX7219 Dot Matrix Display Module Maker pHAT
VCC 5V
GND GND
DIN MOSI
CS CE0
CLK SCK

Software Preparation

First, you need to enable SPI module in Raspberry Pi. Then instal Luma.LED_Matrix library (credit to Richard Hull). Write following command on Terminal.

sudo apt-get install build-essential

sudo apt-get install python-dev python-pip

sudo apt-get install libfreetype6-dev libjpeg-dev

git clone http://github.com/rm-hull/luma.led_matrix.git

sudo -H pip install –upgrade luma.led_matrix

Sample Code

This is the python sample code to do a basic display on MAX7219 Dot Matrix.

Thank you

References

  1. Luma.LED_Matrix, credit to Richard Hull.

Thanks for reading this tutorial. If you have any technical inquiry, please post at Cytron Technical Forum.

Comments (2)

Can I know what is the software name for coding? I doing my finally year project by using raspberry pi zero n I’m using the same coding but he has be an error.

Hi, we’re using python language. You can share more details regarding your problem at Cytron Technical Forum, and we further discuss there. Thanks.

Leave a comment