Introduction

This is an Arduino library for our I2C LED Backpacks: -—> http://www.adafruit.com/products/ -—> http://www.adafruit.com/products/

These displays use I2C to communicate, 2 pins are required to interface. There are multiple selectable I2C addresses. For backpacks with 2 Address Select pins: 0x70, 0x71, 0x72 or 0x73. For backpacks with 3 Address Select pins: 0x70 thru 0x77

Adafruit invests time and resources providing this open source code, please support Adafruit and open-source hardware by purchasing products from Adafruit!

Dependencies

This library depends on Adafruit_GFX being present on your system. Please make sure you have installed the latest version before using this library.

Author

Written by Limor Fried/Ladyada for Adafruit Industries.

License

MIT license, all text above must be included in any redistribution