Adafruit 7-Segment LED Matrix Backpack
100 units available with a short lead time.
Drive 4-digit 0.56" tall 7-segment displays with ease using this HT16K33-based I2C backpack. The driver handles all LED multiplexing over I2C, keeping your wiring simple — just two data pins for full numeric display with decimal points and colon.
The backpack is stackable with address jumpers on the back, allowing up to 8 units on the same two I2C wires. Pair it with any of the 0.56" 7-segment displays we stock for a compact, easy-to-read numeric output.
Key Features
- HT16K33 I2C LED Driver – Simple I2C control with no additional pins required
- Stackable – Address jumpers allow up to 8 backpacks on the same I2C bus
- For 0.56" 4-Digit 7-Segment Displays – Supports decimal points and colon
- Arduino and CircuitPython Support – Ready-to-use LED Backpack library
Ideal For
- Clocks and timers
- Sensor readouts and counters
- Score displays and dashboards
- Any project needing a simple numeric display
Package Contents
- 1× Adafruit 7-Segment LED Matrix Backpack (assembled and tested)
- 1× 4-pin header
Important: A 0.56" 4-digit 7-segment display is not included. This backpack is only guaranteed to work with the 0.56" 7-segment displays we stock — third-party displays may not be compatible. Soldering is required to attach the header and display.
The Adafruit 7-Segment LED Matrix Backpack appears in the following collections:
SKU AF-877
by Adafruit
