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![Wyświetlacz LED 7 segmentów, 4 cyfry, I2C, żółty Wyświetlacz LED 7 segmentów, 4 cyfry, I2C, żółty](https://kamami.pl/12674-large_default/adafruit-056-4-digit-7-segment-display-wi2c-backpack-yellow.jpg)
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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. Adafruit 879
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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 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 - a mini 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.
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!
This board/chip uses I2C 7-bit address between 0x70-0x77, selectable with jumpers
7-segment LED display, 1 digit 7mm, red color (660nm), 9 mcd / seg (10mA), common anode, Pb-free. LED1-AS-B-02811BS
No product available!
Module with 6-digit 7-segment LED display. The board is equipped with a TM1637 driver and communicates via a digital interface
This is the White Adafruit 0.56" 4-Digit 7-Segment Display w/ FeatherWing Combo Pack! We also have these combo packs in Green, Red, Blue, and Yellow!
No product available!
Adafruit 811 - Yellow 7-segment clock display - 0.56" digit height
7-segment LED display, 1 digit 20.40mm, green color (570nm), 15 mcd (10mA), common anode, Pb-free. LED1-AS-B-08011BMG
Module with 8-digit 7-segment LED display. The board is equipped with a 74HC595 driver and communicates via a digital interface
7-segment LED display, 1 digit 14,20mm, red color (640nm), 6 mcd (10mA), common anode, Pb-free. LED1-AS-B-05613BS
7-segment LED display, 1 digit 38.10mm, bright red (648nm), 20mcd (10mA), common anode, Pb-free. LED1-AS-B-15011BMR
Module with 4-digit 7-segment LED display. The board is equipped with a TM1637 driver and communicates via a digital interface
Module with 8-digit 7-segment LED display. The board is equipped with a 74HC595 driver and communicates via a digital interface
Module with 6-digit 7-segment LED display. The board is equipped with a TM1637 driver and communicates via a digital interface
Module with 4-digit 7-segment LED display. The board is equipped with a TM1637 driver and communicates via a digital interface
7-segment LED display, 1 digit 20.40mm, two dots, blue color (470nm), 4000ucd (10mA), common anode, Pb-free. LED1-AS-B-08012BB
7-segment LED display, 1 digit 20.40mm, two dots, light yellow (592nm), 5000 ucd (10mA), common anode, Pb-free. LED1-AS-B-08012BMY
7-segment LED display, 1 number 14,20mm, green color (570nm), 4000 ucd (10mA), common cathode, Pb-free. LED1-AS-B-05613AG
Module with 4-digit 7-segment LED display. The board is equipped with a TM1637 driver and communicates via a digital interface
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. Adafruit 879