{"title":"Adafruit 14-segment LED Alphanumeric Backpack","handle":"adafruit-14-segment-led-alphanumeric-backpack","url":"/products/adafruit-14-segment-led-alphanumeric-backpack","description":"The Adafruit 14-Segment LED Alphanumeric Backpack is a standalone I2C LED driver board that makes it easy to add a 4-character alphanumeric display to any project. Powered by the HT16K33 chip, it handles all LED multiplexing over I2C — just send commands and it lights up the right segments for you.\n\nBackpacks are end-to-end stackable, and by soldering the address jumpers on the back you can have up to 8 units sharing the same two I2C wires for a total of 32 characters.\n\nKey Features\n\n\nHT16K33 I2C Driver – Handles all LED multiplexing and segment control\n\nStackable Design – Up to 8 backpacks on one I2C bus (address jumpers on back)\n\nI2C Interface – Only 2 wires required for communication\n\nArduino and CircuitPython Support – Ready-to-use library available\n\n\nAlso Available\n\n\n14-Segment Alphanumeric LED FeatherWing – FeatherWing format with display\n\n\nIdeal For\n\nCustom alphanumeric text displays\nScrolling message boards and counters\nInstrument readouts and status panels\nMulti-digit display chains using I2C addressing\n\n\nPackage Contents\n\n1× Adafruit 14-Segment LED Alphanumeric Backpack (assembled and tested)\n1× 4-pin header\n\n\n\nImportant: 14-segment display LEDs are not included. This backpack requires a set of two 2-digit 0.54\" tall alphanumeric displays. Only displays stocked by the store are guaranteed compatible. Soldering required to attach the header and display.\n\n\nSpecifications\n\n\nDriver – HT16K33\n\nInterface – I2C\n\nMax Stackable – 8 units per I2C bus\n\nCompatible Display – 2-digit 0.54\" 14-segment alphanumeric (×2)\n","vendor":"Adafruit","product_type":"physical","in_stock":true,"options":[],"variants":[{"id":6390,"title":"Default Title","sku":"AF-1910","price":12.4,"on_sale":false,"in_stock":true,"available_quantity":100,"option1":"Default Title"}]}