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Adafruit 0.56" 4-Digit 7-Segment Display w/I2C Backpack - Green

Adafruit 0.56'' 4-Digit 7-Segment Display w/I2C Backpack - Green
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Adafruit 0.56'' 4-Digit 7-Segment Display w/I2C Backpack - GreenAdafruit 0.56'' 4-Digit 7-Segment Display w/I2C Backpack - GreenAdafruit 0.56'' 4-Digit 7-Segment Display w/I2C Backpack - Green
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SKU:  PPADA880
Part Number:  880
Brand:  AdaFruit

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  (2 Reviews)

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 all the seven-segment LEDs you need 14 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 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 two flavors -

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!


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Customer Reviews
Average Rating (2 Reviews):  
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Rating:  
Fantastic!
Tuesday, 10 March 2015  |  Mark

The item itself is superbly made. Worked perfectly first time. Dispatch was super quick, as was delivery. Couldn't have asked for a better product or service.

 

2 of 2 people found this review helpful.


Rating:  
Brilliant and Easy to Use
Wednesday, 28 August 2013  |  Leon

This is a funky little display.Just make you solder the LED array to the correct side.Go to the Adafruit Github and make sure you use the latest libraries. If you don't all you will get is a unlit screen. The Adafruit sketch called sevenseg goes throug

 

2 of 2 people found this review helpful.

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