Adafruit Bicolor LED Square Pixel Matrix with I2C Backpack

Adafruit Bicolor LED Square Pixel Matrix with I2C Backpack

19,95 € (Net 16,76 € )

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SKU: AF902
GTIN: 4060137059858
Category: LEDs/Neopixel
Manufacturers: Adafruit
MPN: 902
Storage Tiers: Maintain

A fun way to make a small colorful display is to use a 1.2" Bi-color 8x8 LED Matrix. Matrices like these are 'multiplexed' - so to control all the 128 LEDs you need 24 pins. That's a lot of pins, and there are driver chips like the MAX7219 that can help control a matrix for you but there's a lot of wiring to set up and they take up a ton of space. Here at Adafruit 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. We have them in three flavors - a mini 8x8, 1.2" Bi-color 8x8 and a 4-digit 0.56" 7-segment. They work perfectly with the matrices we stock in the Adafruit shop and make adding a bright little display trivial. It's called a Bicolor LED, but you can have 3 colors total by turning on the red and green LEDs, which creates yellow-orange. That's 3 colors for the price of 2!

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, 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/bicolor (or a combination, such as four mini 8x8's and two 7-segments and two bicolor, etc) on a single I2C bus.

The product kit comes with:

A fully tested and assembled LED backpack
1.2" Bi-color 8x8 LED Matrix
4-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, 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!

This board/chip uses I2C 7-bit address between 0x70-0x77, selectable with jumpers
Backpack Dimensions: 33mm x 41mm x 4mm
Mounting Holes: 28mm x 36mm

Storage Tiers:	Maintain
Resolution:	8x8
Color:	Green Red Yellow
Interface/Connector:	I2C
Energy Efficiency Label:	LED(A++--E)
Shipping weight:	0,02 kg
Item weight:	0,02 kg
Dimensions ( Length × Width × Height ):	4,10 × 3,30 × 0,40 cm
RoHS Certificate:	compliant