{"title":"Adafruit 7-Segment Backpack - 1.2 Tall Digits","handle":"adafruit-7-segment-backpack-1-2-tall-digits","url":"/products/adafruit-7-segment-backpack-1-2-tall-digits","description":"Drive large 1.2\" tall 7-segment displays with ease using this HT16K33-based I2C backpack. The updated design includes a built-in 5V boost converter so you get bright, consistent LED segments even when running from 3.3V power — no separate 5V supply needed. STEMMA QT / Qwiic connectors provide plug-and-play I2C connectivity.\n\nThe backpack handles all multiplexing over I2C, keeping your wiring simple. Stackable design with address jumpers lets you run up to 8 backpacks on the same two I2C wires.\n\nKey Features\n\n\nHT16K33 I2C LED Driver – Simple I2C control with no additional pins required\n\nBuilt-In 5V Boost Converter – Bright LEDs from 3.3V or 5V power\n\nSTEMMA QT / Qwiic Connectors – Plug-and-play I2C with no soldering for the data connection\n\nStackable – Address jumpers allow up to 8 backpacks on the same I2C bus\n\nFor 1.2\" 7-Segment Displays – Large, readable digits\n\nArduino and CircuitPython Support – Ready-to-use LED Backpack library\n\n\nIdeal For\n\nLarge clocks and timers\nScore displays and counters\nTemperature and sensor readouts\nAny project needing large, visible numeric display\n\n\nPackage Contents\n\n1× Adafruit 7-Segment Backpack for 1.2\" Displays (assembled and tested)\n1× Header strip\n\n\n\nImportant: A 1.2\" 7-segment display is not included. This backpack is only guaranteed to work with the 1.2\" 7-segment displays we stock — third-party displays may not be compatible.\n","vendor":"Adafruit","product_type":"physical","in_stock":true,"options":[],"variants":[{"id":6414,"title":"Default Title","sku":"AF-1271","price":21.4,"compare_at_price":0.0,"on_sale":false,"in_stock":true,"available_quantity":100,"option1":"Default Title"}]}