Adafruit Mini 0.8" 8x8 LED Matrix w/I2C Backpack - Yellow-Green

Product ID: 1444
Adafruit mini 0 dot 8 8x8 led matrix w slash i2c 4165804830
  • Adafruit mini 0 dot 8 8x8 led matrix w slash i2c 4165804830
  • Adafruit mini 0 dot 8 8x8 led matrix w slash i2c 9171053323
  • Adafruit mini 0 dot 8 8x8 led matrix w slash i2c 1572251388
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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. That's where these adorable LED matrix backpacks come in. We have them in two flavors a mini 8x8 and a 4-digit 0.56" 7-segment. They work perfectly with the matrices we have a stock of and make adding a bright little display trivial.

The matrices use a driver chip that does all the heavy lifting for you: They have a built in clock so they multiplex the display. They use constant-current drivers for ultra-bright, consistent color (the images above are photographed at the dimmest setting to avoid overloading our camera!), 1/16 step display dimming, all via a simple I2C interface. The backpacks come with address-selection jumpers so you can connect up to four mini 8x8's or eight 7-segments (or a combination, such as four mini 8x8's and four 7-segments, etc) on a single I2C bus.

The product kit comes with:

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, we also have a detailed tutorial showing you how to solder, wire and control the display. We even wrote a very nice library for the backpacks so you can get running in under half an hour, displaying images on the matrix or numbers on the 7-segment. If you've been eyeing matrix displays but hesitated because of the complexity, his is the solution you've been looking for!

Specification

Backpack Dimensions20mm x 28mm x 4mm
Mounting Holes12mm x 22mm
board/chip I2C 7-bit address0x70-0x77