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
ESP32	X
ESP32S2	X
ESP32S3	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
• ESP32 : Unexpected Maker tinyPICO
• ESP32S2 : Unexpected Maker tinyS2
• ESP32S3 : Unexpected Maker tinyS3
• 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