Adafruit Mini 8x8 LED Matrix w/I2C Backpack - Blue

Key Features Work perfectly with the Adafruit matrices Backpacks come with address-selection jumpers so you can connect up to four mini 8x8's Built in clock so they multiplex the display Use constant-current drivers for ultra-bright, consistent color Kit comes with: A fully tested and assembled LED backpack, Ultra-bright 8x8 blue matrix, & 4-pin header What's better than a single LED? Lots of LEDs! A fun way to make a small display is to use an 8x8 matrix or a 4-digit 7-segment display. Matrices like these are 'multiplexed' - so to control 64 LEDs you need 16 pins. That's a lot of pins, and there are driver chips like the MAX7219 that can control a matrix for you but there's a lot of wiring to set up and they take up a ton of space. We feel your pain! After all, wouldn't it be awesome if you could control a matrix without tons of wiring? That's where these adorable LED matrix backpacks come in. They work perfectly with the matrices we stock and make adding a bright little display t