MCM Electronics

Mini 8x8 Yellow LED Matrix with I2C BackpackMCM Part #: 25-6040  |  Adafruit Industries Part #: 871

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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.

Product Description

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. Control a matrix without tons of wiring with these lovely LED matrix backpacks.

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 are photographed at the dimmest setting to avoid overloading the camera), 1/16 step display dimming, all via a simple I2C interface. These 1.2"" matrix backpacks come with three address-selection jumpers so you can connect up to eight 8x8's together (or a combination, such as four mini 8x8's and four 7-segments, etc) on a single I2C bus.Kit includes:

  • Fully tested and assembled LED backpack
  • Ultra-bright 8x8 0.8"" yellow 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.

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Package Specifications & Dimensions
Weight:0.0025 lbs.
Hazardous:No
RoHS Comp:Yes
Warranty:180 days
Need to Return?
Length:4 in.
Width:4 in.
Height:0.025 in.
Shipping Information
Extra Shipping Charge:No
Drop Ship:No
Catalog Pages
Catalog/Page:

MCM Cat 57, Page 703

PDF Reference
Datasheet

Requires Adobe Acrobat Reader.

Mfr. Info

Adafruit Industries Logo
Mfr. Name:Adafruit Industries
Mfr. Part Number:871