You'll need to install the following libraries to use any of the LED backpacks.

Open up the Arduino library manager:

Search for the Adafruit LED Backpack library and install it

Search for the Adafruit GFX library and install it

We also have a great tutorial on Arduino library installation at:

HT16K33 8x16 LED Backpack Breakout

Schematic & fabrication print

8x8 0.8" LED Backpack

8x8 1.2" LED Backpack

8x8 1.2" Bi-Color LED Backpack

16x8 1.2" LED Backpacks

Quad 0.56" 7-Segment

Quad 0.54" 14-segment Alphanumeric

Quad 1.2" 7-Segment

Bicolor 24-Bargraph

This guide was first published on Jul 29, 2012. It was last updated on Jul 29, 2012.

This page (Downloads) was last updated on Jan 24, 2021.