Hello all, I am a complete Arduino beginner and maybe trying something a bit too difficult too fast, But perseverance will prevail. I have bought an UNO along with a featherwing LED Matrix. The board has a demo that can be downloaded but I am having difficulty getting it to work. (See attachment) …

15x7 Charlieplex Featherwing matrix working on Uno Board

gdsports October 9, 2017, 10:06pm 3

Featherwings operate at 3.3V but the Uno operates at 5V so these are not compatible. Use a Feather CPU board with the featherwing board.

Topic		Replies	Views
Arduino UNO and Rainbowduino LEDs and Multiplexing	4	3064	May 6, 2021
Sure LED Matrix 24x16 Not Working with Arduino Uno LEDs and Multiplexing	2	2642	May 6, 2021
8x8 LED Matrix compatible with Arduino UNO V3 LEDs and Multiplexing	4	4542	May 6, 2021
Problem with Wrobot 16x16 led matrix LEDs and Multiplexing	1	2474	May 6, 2021
8x8 Matrix (16 Pins) work with Arduino Uno? (Made by SeeedStudio) LEDs and Multiplexing	2	1825	May 6, 2021