SparkFun LED Array (8x7) Hookup Guide
You can manually download the LED Array 8x7 Arduino library. To start, we’ll need the Chaplex library:
Additionally, we need the LED Array 8x7 Arduino library, which you can download as a ZIP file from GitHub or directly from this link:
Once you have both libraries downloaded, follow this guide to install them in Arduino.
Open the Arduino IDE, and select File > Examples > SparkFun LED Array 8x7 > Demo. Select your Arduino and serial port, and upload the program.
You should see the LED array scroll through some example text and graphics.