Adafruit
Adafruit LED Glasses Front Panel - 116 RGB LEDs with I2C Driver
The Adafruit LED Glasses Front Panel features 116 artfully arranged 2×2 mm RGB LEDs controlled by an IS31FL3741 I2C driver chip. Simply connect it via STEMMA...
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The Adafruit LED Glasses Front Panel features 116 artfully arranged 2×2 mm RGB LEDs controlled by an IS31FL3741 I2C driver chip. Simply connect it via STEMMA QT to your favourite microcontroller and start creating dazzling face-mounted light displays — no complex wiring or individual LED soldering required.
The LEDs are arranged as two 24-LED rings around each eye and an overlapping 16×5 matrix, giving you flexible control for animations, patterns, and colour effects. Pair it with the Adafruit LED Glasses Driver for a compact Bluetooth-enabled setup, or use any I2C-capable microcontroller.
Key Features
- 116 RGB LEDs – 2×2 mm LEDs with 8-bit PWM per colour (24-bit colour per LED) via the IS31FL3741 driver
- I2C Control – Write pixel data over I2C and the driver handles all matrix driving automatically
- Dual STEMMA QT Ports – Connect to your driver board on one side and daisy-chain additional sensors on the other
- Flexible LED Layout – Two 24-LED eye rings plus a 16×5 matrix with some shared LEDs between both
- Six Mounting Holes – Attach to fashion frames or custom glasses builds
- Four Silkscreen Designs – Bug, Wolf, Cat, and Dragon (randomly selected per order)
Ideal For
- Wearable LED glasses and face-mounted displays
- Cosplay and costume lighting effects
- Interactive art installations and performances
- Eye-catching conference and event accessories
Package Contents
- 1× Adafruit LED Glasses Front Panel (silkscreen design is randomly selected)
Resources
Jargon buster
Plain-language definitions for the technical terms used above.
- 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.
- microcontroller
- A microcontroller is a small computer on a single chip that runs a stored program and controls connected inputs and outputs such as buttons, sensors, displays and communication interfaces. In a device built around one, it is the part that executes the code and coordinates the device's behaviour.
- PWM
- Pulse Width Modulation is a way for a digital pin to simulate variable output power by switching on and off very quickly. It matters for controlling things like LED brightness, motor speed, or servo-style signals from a microcontroller pin.
- RGB
- Short for red, green and blue, the three primary colours of light that are mixed in varying amounts to make a wide range of colours. In electronics RGB can refer to an LED or pixel that blends these three colours, or to a colour signal or interface that carries separate red, green and blue channels.
- STEMMA
- A plug-and-cable connection system used on some maker electronics boards to make wiring simpler. If a product uses STEMMA, you need the matching cable or connector type to plug it in without soldering.
- STEMMA QT
- A small plug-in connector system for I2C boards that lets you connect compatible sensors and controllers without soldering. It matters because it can make wiring faster and less error-prone, especially when adding several small modules to a project.
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