Adafruit LED Backpack Library for our 8x8 matrix and 7-segment LED backpacks
C++
Latest commit 897ac29 Jun 20, 2016 @driverblock driverblock committed on GitHub Update for example GPS and DS1307 clock fixes

README.md

Adafruit-LED-Backpack-Library

Compatibility

MCU Tested Works Doesn't Work Not Tested Notes
Atmega328 @ 16MHz X
Atmega328 @ 12MHz X
Atmega32u4 @ 16MHz X
Atmega32u4 @ 8MHz X
ESP8266 X
Atmega2560 @ 16MHz X
ATSAM3X8E X Use SDA/SCL on pins 20 & 21
ATSAM21D X
ATtiny85 @ 16MHz X Use 0 for SDA, 2 for SCL, examples may need Serial references removed
ATtiny85 @ 8MHz X Use 0 for SDA, 2 for SCL, examples may need Serial references removed
  • ATmega328 @ 16MHz : Arduino UNO, Adafruit Pro Trinket 5V, Adafruit Metro 328, Adafruit Metro Mini
  • ATmega328 @ 12MHz : Adafruit Pro Trinket 3V
  • ATmega32u4 @ 16MHz : Arduino Leonardo, Arduino Micro, Arduino Yun, Teensy 2.0
  • ATmega32u4 @ 8MHz : Adafruit Flora, Bluefruit Micro
  • ESP8266 : Adafruit Huzzah
  • ATmega2560 @ 16MHz : Arduino Mega
  • ATSAM3X8E : Arduino Due
  • ATSAM21D : Arduino Zero, M0 Pro
  • ATtiny85 @ 16MHz : Adafruit Trinket 5V
  • ATtiny85 @ 8MHz : Adafruit Gemma, Arduino Gemma, Adafruit Trinket 3V