Adafruit 1.2 4-Digit 7-Segment Display w/I2C Backpack - Red
The Adafruit 1.2" 4-Digit 7-Segment Display with I2C Backpack in red makes it easy to add a large, bright numeric display to any microcontroller project. The backpack handles all LED multiplexing and driving via I2C, so you only need two data pins to control a full 4-digit display.
The HT16K33 driver chip provides constant-current output for consistent brightness, 1/16-step dimming control, and a built-in oscillator — no external components needed. Address-selection jumpers allow up to eight 7-segment displays on a single I2C bus.
Key Features
- HT16K33 I2C Driver – Built-in multiplexing, constant-current drive, and 1/16-step dimming
- Simple I2C Interface – Only two pins required, with address jumpers for up to 8 displays on one bus
- Large 1.2" Red Digits – Bright and easily readable from across a room
- Arduino and Raspberry Pi Libraries – Well-documented libraries for quick setup
- Compact Backpack Design – Driver mounts directly behind the display
Also Available
Also available in a smaller 0.56" size.
Package Contents
- 1× Adafruit I2C LED backpack (assembled and tested)
- 1× 1.2" 4-digit 7-segment red display
- 1× 5-pin header
Note: A small amount of soldering is required to attach the display to the backpack board.
The Adafruit 1.2 4-Digit 7-Segment Display w/I2C Backpack - Red appears in the following collections:
SKU AF-1270
by Adafruit
