GitHub

mapket/MK_Adafruit_Protomatter

C Library The underlying C library is focused on driving the matrix and does not provide any drawing operations of its own. That must be handled by higher-level code, as in the Arduino wrapper which ...
Hackaday

What’s New, ESP-32? Testing The Arduino Library

In case you missed it, the big news is that a minimal Arduino core is up and working on the ESP32. There’s still lots left to do, but the core functionality — GPIO, UART, SPI, I2C, and WiFi — are all ...
GitHub

Simple to use Arduino library to interface matrix keypads.

Blocking or non-blocking read; Supports any number of rows and columns; User defined key mapping; prevents reading the same event twice. A matrix keypad will have some pins or wires that you have to ...
EDN

8X8 LED Matrix Using Arduino Microcontroller

The circuit is driven by a MAX7219 IC that is being controlled through an Arduino microcontroller board, to create an 8X8 LED matrix. The connection of the LED matrix and the IC was done on a ...
EDN

Arduino 8×8 LED Matrix

8×8 LED Matrix modules are now widely available, and fortunately they are easy to use with our favorite Arduino microcontroller. 8×8 LED Matrix module have many applications in real life, such as ...