GitHub

Arduino MAX7219 Spectrum Analyzer with Peak Hold

Original code is from HAZI TECH. I modified the code, add bar mode and peak hold. I build this using spare Arduino Nano and MAX7219 matrix display which I have been using in my previous DIY. So I just ...
elektormagazine

DIY Customized 8x8 LED Matrix Tutorial (MAX7219 Meets Arduino)

In this step-by-step tutorial, we're diving into the world of electronics and microcontrollers to create a personalized 8 by 8 LED matrix that can be controlled using an Arduino board In this ...
GitHub

High-level Arduino library for controlling animated LED bar meters using MAX7219/MAX7221 or HT16K33 drivers. Ideal for prop-making, visual meters, and signal-driven lighting ...

Version 2.0.1 introduces major architectural and feature improvements.
EDN

Display Driver Shield with MAX7219

Maxim’s MAXREFDES99# is an Arduino® form-factor shield which drives a 16×16 LED array for signage applications. This design is ideal for anyone developing a display application. The board features ...
elektormagazine

Arduino Display Matrix (32 X 8 DOTS)

The gadget is built around two main circuit boards, the LED Matrix and the Host master board.In a previous project, I shared the making details of an 8x8 LED matrix. For this project, I expanded the ...