Adafruit 0.56 4-Digit 7-Segment Display w/I2C Backpack - Red
We have ✅ 2 available of the AF-878 in our Sydney warehouse. An extra 100 units available with a short lead time.
The Adafruit 0.56" 4-Digit 7-Segment Display with I2C Backpack in red makes it easy to add a 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
- Ultra-Bright Red LEDs – 0.56" digit height, visible from a distance
- Arduino and CircuitPython Libraries – Well-documented libraries for quick setup
- Compact Design – Backpack mounts directly behind the display
Also Available
Also available in a larger 1.2" size, or as a pre-assembled version.
Package Contents
- 1× Adafruit I2C LED backpack (assembled and tested)
- 1× 0.56" 4-digit 7-segment red display
- 1× 4-pin header
The Adafruit 0.56 4-Digit 7-Segment Display w/I2C Backpack - Red appears in the following collections:
