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 effects.

An Arduino library for controlling a canvas of sets of 8x8 LEDs driven by MAX7219 or MAX7221 controllers. Kits sold for below 10 USD. This is a plugin for Adafruit's core graphics library GFX, ...

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 ...

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 ...

During the construction, there was a failure when the LED matrix did not light up when several types of MAX7219 Arduino, different configurations, and different source codes. Two new LED drive ICs ...