Adafruit

4.2" 400x300 Tri-Colour eInk Bare Display

Name: 4.2" 400x300 Tri-Colour eInk Bare Display
Brand: Adafruit
SKU: AF-6382
Price: 59.56 AUD
Availability: InStock

· MPN: ADA6382

E-Paper & E-Ink Displays

$59.56 |

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E-Ink and ePaper displays are ideal for projects that need a crisp, low-power screen that remains readable in daylight. The image stays on the display even w...

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E-Ink and ePaper displays are ideal for projects that need a crisp, low-power screen that remains readable in daylight. The image stays on the display even when power is completely disconnected, giving it a printed-paper style look.

This bare 4.2 inch diagonal tri-colour display has 400 x 300 pixels and can show red, black and white. It is the display element only, so it needs to be connected to a board with a standard 24-pin FPC e-paper connector.

The display uses the SSD1683 chipset, so your firmware needs support for that controller. Adafruit’s Arduino library handles the display for you and lets you work with it as an Adafruit_GFX compatible display.

Recommended matching hardware includes the Feather RP2040 ThinkInk for a solderless plug-and-play setup with Arduino or CircuitPython support, the eInk Feather Friend for Feather boards, the eInk Breakout Friend for breadboard use, or a 24-pin eInk/ePaper extension cable with 24-pin FPC adapter for remote mounting.

Features:

Low power: Suitable for projects where the display does not need constant refreshing.
Daylight readable: High contrast display that is easy to view in bright conditions.
Image retention: Keeps its image even when power is completely disconnected.
Tri-colour output: Supports red, black and white pixels.
Bare display element: Designed for DIY eInk setups with a compatible driver board.
Arduino support: Adafruit’s Arduino library works with it as an Adafruit_GFX compatible display.
Feather RP2040 ThinkInk: Solderless plug-and-play solution with Arduino or CircuitPython support.
eInk Feather Friend: FeatherWing add-on for any Feather board.
eInk Breakout Friend: Breadboard-friendly adapter with level-shifting and components for quick eInk connectivity.
24-pin eInk / ePaper Extension Cable + 24-pin FPC adapter: Lets you place the display away from the driver board.

Specifications:

Display size: 4.2" diagonal
Resolution: 400 x 300 pixels
Colours: Red, Black, White
Pixels: 400x300 red or black ink pixels and a white-ish background
Connector: standard 24-pin FPC e-paper connector
Chipset: SSD1683
Pixel mixing: each point can be one of the three 'colors' but you can't mix the red and black to make a orange

This is a good choice for custom ePaper projects, signage, status displays and low-power dashboards where a static image needs to stay visible without continuous power.

Jargon buster

Plain-language definitions for the technical terms used above.

breakout: A breakout is a small circuit board that makes a tiny or hard-to-solder component easier to connect to with standard pins. It matters because this OLED module can be wired into a microcontroller project without needing to solder directly to the display’s fine 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.
ePaper: A display technology that looks more like printed paper than a glowing screen and usually keeps its image visible with very little power. It matters for projects such as labels, badges, and status screens where readability and low power use are more important than fast animation.
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.
FPC: FPC stands for flexible printed circuit, a flat flexible cable or connector style often used where space is tight. It matters because this breakout needs the correct pin count and pitch FPC cable to connect reliably to the display or high-speed interface.
RP2040: A microcontroller chip used on many maker boards, with enough speed and flexible I/O for some camera and display projects. Compatibility with RP2040 matters because camera modules often need many pins and careful timing to read image data successfully.