Datasheet

Downloads

Software

Download the Adafruit LED Backpack library from github (https://adafru.it/aLI) - This code provides support for the mini

8x8, 1.2" 8x8, 7-segment, bargraph, alphanumeric and bicolor LED matrix backpacks.

To download click the ZIP download button, rename the uncompressed folder Adafruit_LEDBackpack. Check that the

Adafruit_LEDBackpack folder contains Adafruit_LEDBackpack.cpp and Adafruit_LEDBackpack.h Place the

Adafruit_LEDBackpack library folder your

arduinosketchfolder

/libraries/ folder.

You may need to create the

libraries

subfolder if its your first library.

You'll also need to download the Adafruit GFX library (https://adafru.it/aJa) - its not actually used for the 7-segment, its

only for the matrix backpacks but its still required. Install just like the library above. Restart the IDE

Files

Fritzing objects in Adafruit Fritzing library (https://adafru.it/aP3)

EagleCAD PCB files for all backpacks in GitHub (https://adafru.it/aLJ)

The backpacks all use the HT16K33 chip solely for LED driving (https://adafru.it/aMy) - the mini 8x8's use the 24

pin version and the others use the 28 pin vesion

HT16K33 8x16 LED Backpack Breakout

Schematic & fabrication print