Adafruit Bicolor LED Square Pixel Matrix with I2C Backpack

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This is a 1.2 inch 8 x 8 Bi-color square LED matrix. It comes with a I2C backpack which allows you to have on two use ony 2 pins to for the display saving you lots of IO.

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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.

You can download the libraries for Arduino here by Adafruit.

You can also visit this tutorial page from Adafruit for the Piccolo Music Visualizer.

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