To get started, you will need both an Arduino (any kind should work), and a MAX7219 LED Matrix. Both parts can be bought from many places, including Amazon, Ebay, Aliexpress, Adafruit, etc. For more ...

This repository contains a collection of five exciting projects for the Arduino Uno R4 WiFi board. Each project demonstrates creative use of the Arduino_LED_Matrix library and explores unique patterns ...

Light-emitting diodes (LEDs) with high response frequency and high power can be applied in visible light communication (VLC). This letter studies the response frequency and optical output power of the ...