Adafruit
Adafruit 2.9 Tri-Color eInk / ePaper Display FeatherWing - Red Black White
Add a vibrant tri-colour eInk display to your Feather project with this 2.9" FeatherWing. The panel displays red, black, and white pixels at 296×128 resoluti...
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Add a vibrant tri-colour eInk display to your Feather project with this 2.9" FeatherWing. The panel displays red, black, and white pixels at 296×128 resolution that remain visible even with power completely disconnected — just like printed paper, but with the added impact of colour.
The FeatherWing is tested to work with all Adafruit Feather boards, from the ESP8266 to the M0 and beyond. An onboard SRAM chip handles frame buffering so even memory-constrained microcontrollers can drive the display without sacrificing precious RAM. A MicroSD socket provides storage for images and text files, and three optional buttons are available for navigation when your Feather has spare pins.
Key Features
- 2.9" Tri-Colour eInk Display – 296×128 pixel resolution with red, black, and white ink
- Onboard SRAM – Offloads frame buffering from the microcontroller (~9.5 KB needed)
- MicroSD Socket – Store images, text files, and display assets
- 3 Optional Buttons – Built-in navigation buttons for Feathers with available pins
- Ultra-Low Power – Display retains image with no power draw
- No Soldering Required – Comes with socket headers; plug your Feather straight in
- Universal Feather Compatibility – Works with all Adafruit Feather boards
- CircuitPython and Arduino Support – Adafruit_GFX compatible library handles all the heavy lifting
Also Available
- 2.9" Grayscale eInk FeatherWing – 4-level greyscale with faster ~1 second refresh
- 2.9" Tri-Colour eInk Breakout – Universal breakout board
Ideal For
- Colour-coded status displays and dashboards
- Low-power IoT indicators with visual priority levels
- Name badges and conference displays
- Battery-powered signage with eye-catching colour
Package Contents
- 1× Adafruit 2.9" Tri-Colour eInk FeatherWing (with socket headers)
Jargon buster
Plain-language definitions for the technical terms used above.
- breakout
- A breakout board carries a small or fine-pitched component and brings its connections out to standard, breadboard- and header-friendly pins. Describing a part as a breakout means it can be wired into a project without soldering directly to the component's tiny contacts.
- 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.
- FeatherWing
- A FeatherWing is an add-on board made to plug into the Feather microcontroller board layout. Knowing a product is a FeatherWing helps you check whether it will physically and electrically fit your Feather-style mainboard.
- Headers
- Rows of connector contacts on a fixed pitch (commonly 2.54 mm) used to link a board to a breadboard, jumper wires, or another board. They come as male pin headers and female socket headers; when a module ships with pre-soldered headers it can be used straight away, whereas bare pads require soldering the pins yourself.
- IoT
- Short for Internet of Things, meaning physical devices that connect to networks or the internet to send data or be controlled remotely. It matters if you want projects such as connected sensors, remote controls or classroom data-logging activities.
- 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.
- RAM
- RAM (random-access memory) is fast, temporary memory a device uses for working data while it is running; in its common volatile form, its contents are lost when power is removed. Some devices offer a mode that applies settings to RAM only, which is handy for testing changes temporarily because they are not stored permanently and disappear at power-off.
- SRAM
- Fast temporary memory used by a processor while a program is running. More SRAM helps with projects that handle larger data buffers, networking, displays, or more complex code.
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