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

SKU: ADA959

$18.26 AUD, inc GST

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

SKU: ADA959

$18.26 AUD, inc GST
100 units ship in 4 to 6 days (delivered by Thu, 15th of Dec)
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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. Here at Adafruit Adafruit 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. Adafruit have them in two flavors - a mini 8x8 and a 4-digit 0.56" 7-segment. They work perfectly with the matrices Adafruit stock in the Adafruit shop 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 Adafruit's 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, They also has a detailed tutorial showing you how to solder, wire and control the display. They 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!


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Documentation and Resources:
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  • So in case you haven’t heard yet, digital LEDs are the go-to solution for any project that uses RGB LEDs and you want to avoid the rat's nest that ensures when using multiple RGB LEDs, each colour requiring its own connection. Digital...
  • What Are DotStar LEDs?
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  • All About LEDs
  • Hello and welcome to our tutorial where we a look at all things LED. Now first of all, what is an LED? LED stands for Light Emitting Diode and is an electronic component used to convert electrical energy to light energy. This process is called electr...

Product Comments

Documentation and Resources:
  • What Are NeoPixel LEDs?
  • So in case you haven’t heard yet, digital LEDs are the go-to solution for any project that uses RGB LEDs and you want to avoid the rat's nest that ensures when using multiple RGB LEDs, each colour requiring its own connection. Digital...
  • What Are DotStar LEDs?
  • So in case you haven’t heard yet, digital LEDs are the go-to solution for any project that uses RGB LEDs and you want to avoid the rat's nest that ensures when using multiple RGB LEDs, each colour requiring its own connection. Digitally address...
  • All About LEDs
  • Hello and welcome to our tutorial where we a look at all things LED. Now first of all, what is an LED? LED stands for Light Emitting Diode and is an electronic component used to convert electrical energy to light energy. This process is called electr...

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