Add a large, vibrant tri-colour eInk display to your microcontroller project with this 2.9" breakout board. 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.

An onboard SRAM chip handles frame buffering so even memory-constrained microcontrollers can drive the display without sacrificing precious RAM (~9.5 KB needed). A MicroSD socket provides storage for images and text files, and the board works with both 3.3V and 5V logic for broad compatibility.

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
• MicroSD Socket – Store images, text files, and display assets
• Ultra-Low Power – Display retains image with no power draw; Enable pin lets you shut down SRAM, MicroSD, and display entirely
• 3.3V and 5V Compatible – Level-shifted for safe use with any microcontroller
• CircuitPython and Arduino Support – Adafruit_GFX compatible library handles all the heavy lifting

Also Available

• 2.9" Tri-Colour eInk FeatherWing – For Feather boards with buttons
• 2.9" Grayscale eInk FeatherWing – 4-level greyscale with faster refresh

Ideal For

• Colour-coded status displays and dashboards
• Low-power signage and information boards
• Price tags and retail displays
• Battery-powered projects requiring persistent display

Package Contents

• 1× Adafruit 2.9" Tri-Colour eInk Breakout (with header strip)