Adafruit
Adafruit Mini 0.7 8x8 LED Matrix w/I2C Backpack - Pure Green
The Adafruit Mini 0.7" 8×8 LED Matrix with I2C Backpack makes it easy to add a bright pure green dot-matrix display to any project. The I2C backpack handles ...
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The Adafruit Mini 0.7" 8×8 LED Matrix with I2C Backpack makes it easy to add a bright pure green dot-matrix display to any project. The I2C backpack handles all the multiplexing, so you only need two data pins (SDA and SCL) plus power to control all 64 LEDs — no complex wiring or external driver chips required.
The backpack features a built-in display driver with constant-current output for ultra-bright, consistent colour at any brightness level. With 16-step dimming and address-selection jumpers, you can connect up to four 8×8 matrices on a single I2C bus for larger displays.
Key Features
- 0.7" 8×8 Pure Green LED Matrix – 64 ultra-bright green LEDs
- I2C Backpack – Only 2 data pins needed; built-in multiplexing and clock
- Constant-Current Drivers – Consistent brightness and colour across all LEDs
- 16-Step Dimming – Adjustable brightness via I2C commands
- Address Jumpers – Connect up to 4 matrices on one I2C bus
- Compact Size – 0.7" (20 mm) matrix for small display applications
Ideal For
- Small status displays and pixel art
- Scrolling text and simple animations
- Multi-matrix tiled displays
- Wearable and portable electronics
Package Contents
- 1× Adafruit I2C LED Backpack (assembled and tested)
- 1× 0.7" 8×8 pure green LED matrix
- 1× 4-pin header
Resources
Jargon buster
Plain-language definitions for the technical terms used above.
- Address jumpers
- Address jumpers are small solder pads, links or switches used to change a device's address on a shared bus such as I2C. They matter when you want to connect several identical devices to the same controller, since each one needs a unique address to avoid conflicts.
- I2C
- I2C is a two-wire communication bus used by many sensors and small modules. It matters because several I2C devices can share the same two wires, but each device needs a compatible address and your controller must support I2C.
- LED
- A light-emitting diode (LED) is a small electronic component that emits light when current flows through it in the correct direction. Because it only conducts one way, its polarity matters, and a through-hole LED must be soldered the correct way around to light up.
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