Adafruit
Adafruit NeoDriver - I2C to NeoPixel Driver Board - Stemma QT
The Adafruit NeoDriver converts I2C commands into NeoPixel (WS2812/SK6812) timing signals, letting you control addressable LED strips from any board with an ...
The Adafruit NeoDriver converts I2C commands into NeoPixel (WS2812/SK6812) timing signals, letting you control addressable LED strips from any board with an I2C bus — even platforms that lack native NeoPixel support. Simply send pixel data over I2C and the on-board ATtiny1616 handles the precision timing on the output side.
With enough RAM to buffer up to 512 pixels, a 5 V charge pump for clean signal output (even from 3.3 V boards), and pre-soldered terminal blocks plus STEMMA QT connectors, it's a no-solder solution for adding NeoPixels to single-board computers and microcontrollers that otherwise can't drive them directly.
Key Features
- I2C to NeoPixel Bridge – Send pixel data over I2C; perfect timing output handled automatically
- ATtiny1616 Seesaw – Buffers up to 512 NeoPixels
- 5 V Charge Pump – Clean 5 V signal output even from 3.3 V boards
- STEMMA QT / Qwiic Connectors – Solderless I2C input
- Pre-Soldered Terminal Blocks – Easy NeoPixel strip connection, no soldering required
- Configurable I2C Address – Default 0x60, adjustable to 0x60–0x67 via solder traces
- Works with CircuitPython & Arduino – Via the Adafruit Seesaw NeoPixel library
Ideal For
- Adding NeoPixels to SBCs without native NeoPixel support (Orange Pi, Rock Pi, etc.)
- Projects using I2C-only microcontrollers
- Quick no-solder NeoPixel prototyping
- Expanding NeoPixel control across multiple I2C addresses
Package Contents
- 1× Adafruit NeoDriver I2C to NeoPixel Driver Board
Resources
Jargon buster
Plain-language definitions for the technical terms used above.
- CircuitPython
- A beginner-friendly version of Python designed to run directly on microcontroller boards. If a product supports CircuitPython, you can often program it by copying code files onto the board rather than setting up a more complex toolchain.
- 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.
- I2C address
- An I2C address is the number a device uses so a microcontroller can tell it apart from other devices on the same I2C bus. It matters because two devices with the same fixed address may conflict if used together.
- LED
- A light-emitting diode is a small electronic component that lights up when current flows through it in the correct direction. In this kit, LEDs create the flashing effect, so polarity and correct soldering matter for the project to work.
- NeoPixel
- A type of addressable LED system where colour data is sent along a single digital data line from one LED or controller to the next. Compatibility matters because the timing and signal format must match for the lights or driver board to respond correctly.
- Qwiic
- Qwiic is a plug-in connector system for I2C devices that uses small 4-pin cables, so you can connect compatible sensors without soldering. It matters because your controller or adapter also needs Qwiic, or you will need a cable or breakout to wire it up.
- RAM
- RAM is temporary memory used while a device is running, and its contents are lost when power is removed. A “Run in RAM” mode is useful for testing settings without permanently programming the module, but it may not support every feature.
- 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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