Quad Alphanumeric Display - Red 0.54" Digits w/ I2C Backpack

These great little displays can show any letter or number!  This is a nice, bright alphanumeric display that shows letters and numbers in a beautiful red hue. It's super bright and designed for viewing from distances up to 23 feet (7 meters) away. Digits have seven white segments on a black surface and we give you a set of two alphanumeric displays as well as a driver board so you can make a clock or a four letter word.  Like the other LED backpacks we offer, these are end-to-end stackable and by soldering the address jumpers on the back you can have up to 8 backpacks all sharing the same two I2C wires! This product comes with: 2 x Ultra-Bright Red Alphanumeric Display - 0.54" Digit Height for 4 digits total 1 x Adafruit 14-segment LED Alphanumeric Backpack 1 x 5-pin header A bit of soldering is required to attach the matrix onto the backpack but its very easy to do and only takes about 5 minutes. Of course, in classic Adafruit fashion, they also have a detailed tutorial showing you