![Adafruit 1.2" 4-cyfrowy 7-segmentowy wyświetlacz LED z kontrolerem I2C - żółty Adafruit 1.2" 4-cyfrowy 7-segmentowy wyświetlacz LED z kontrolerem I2C - żółty](https://kamami.pl/14478-large_default/adafruit-12-4-digit-7-segment-display-wi2c-backpack-yellow.jpg)
![Adafruit 1.2" 4-cyfrowy 7-segmentowy wyświetlacz LED z kontrolerem I2C - żółty Adafruit 1.2" 4-cyfrowy 7-segmentowy wyświetlacz LED z kontrolerem I2C - żółty](https://kamami.pl/14478-large_default/adafruit-12-4-digit-7-segment-display-wi2c-backpack-yellow.jpg)
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4-digit 7-segment display with MAX7219 driver chip. Adafruit 1269
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What's better than a single LED? Lots of LEDs! A fun way to make a numeric display is to use a 4-digit 7-segment display. LED 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 for a variety of 8x8 and 7-segment displays. They work perfectly with the displays we stock in the Adafruit shop and make adding a bright display trivial.
The backpacks 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 eight 7-segments (or a combination, such as four mini 8x8's and four 7-segments, etc) on a single I2C bus.
Data sheet
4-digit 7-segment LED display, 1.2" diagonal, with a built-in controller allowing communication via the I2C bus connected to the Stemma QT/Qwiic connector. Red display. Adafruit 1270
No product available!
7-segment LED display with a diameter of 14.20 mm and an ultra-red color. The common cathode ensures easy integration with control systems. LED1-AS-05613AMR-B
7-segment LED display, 1 digit 9.90mm, ultra red (630nm), 24 mcd (10mA), common cathode, Pb-free. LED1-AS-B-03911AMR
No product available!
7-segment LED display, 1 digit 101.60mm, bright green (573nm), 50 mcd (10mA), common anode, bright red (640nm), 40 mcd (10mA), common anode. Pb-free. LED1-AS-B-40019BMRMG
7-segment LED display, 1 digit 13.20mm, shorter legs 4mm "K", red color (660nm), 10 mcd / seg (10mA), common anode, Pb-free. LED1-AS-B-05211BK
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 1002
4-digit 7-segment 0.56 "LED display. Built-in HT16K33 controller allowing communication via I2C bus. Equipped with STEMMA QT connector. Adafruit 5603
Module with 4-digit 7-segment LED display. The board is equipped with a TM1637 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
7-segment LED display, 1 digit 25.4mm, yellow color (592nm), 20mcd (10mA), common anode, Pb-free. LED1-AS-B-10016BMY
7-segment LED display, 1 digit 9,10mm, blue color (470nm), 4 mcd (10mA), common anode, Pb-free. LED1-AS-B-03611BB
Module with a 4-element 14-segment display. The board is equipped with a Qwiic connector and communicates via the I2C interface. SparkFun COM-16919
LED display 25.40mm 1.00 "single, green (570nm), 12mcd (10mA), common anode, replacement for TOS-1106BG-B. LED1-AS-10016BG-B
Module with 8-digit 7-segment LED display. The board is equipped with a 74HC595 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
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
4-digit 7-segment display with MAX7219 driver chip. Adafruit 1269