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Small rectangular E-Ink HAT board with 2.7inch black-and-white display and 40-pin header

WaveShare

WaveShare 2.7inch E-Ink Display HAT 264x176 Black White SPI

SKU CH-QDKR-T0VVB

2.7-inch e-paper HAT shows 264×176 black-and-white images over SPI with ultra-low power draw and a 40-pin header for Raspberry Pi or Jetson Nano

  • CPU TypeOther
  • Ultra-low power draw with only 24 mW per refresh
  • Retains last image without power thanks to no backlight
  • Wide 170° viewing angle for clear off-axis reading
  • Compact 85 mm × 56 mm outline fits tight enclosures
  • 40-pin GPIO header plus four onboard keys for direct control

Product identity and target use

This 2.7inch E-Ink HAT provides a 264×176 pixel black-and-white display for Raspberry Pi and Jetson Nano projects. The SPI interface and onboard voltage translator make it suitable for shelf labels, industrial instruments and other low-power readouts that must remain visible without continuous power.

Installation notes and common issues

The board plugs directly onto the standard 40-pin GPIO header and supports both 3-wire and 4-wire SPI modes. Developers should verify the correct SPI wiring in their code because the two modes use different pin assignments and a mismatch is the most frequent cause of a blank screen.

Practical limits of the SPI E-Ink interface

Full-screen refresh takes about 6 seconds and draws roughly 24 milliwatts, so the display is not suited for animations or frequent updates. The two-colour panel has no grey scale and no backlight, limiting its use to static or slowly changing content where ultra-low standby power is the priority.

Highlights

  • Ultra-low power draw with only 24 mW per refresh
  • Retains last image without power thanks to no backlight
  • Wide 170° viewing angle for clear off-axis reading
  • Compact 85 mm × 56 mm outline fits tight enclosures
  • 40-pin GPIO header plus four onboard keys for direct control

Specifications

CPU TypeOther

Questions about this item

How can I confirm the 2.7inch E-Ink HAT is working after connecting it to my Raspberry Pi?

Run the provided example code for Raspberry Pi; the 264x176 display should complete a full refresh in about 6 seconds, showing clear black and white content without a backlight.

What comes in the box and what must I supply separately?

The HAT includes the 2.7inch E-Ink panel with onboard controller, voltage translator, four user keys and a 40-pin GPIO header; you must provide a compatible Raspberry Pi or Jetson Nano board.

Which version should I choose for a 3.3V or 5V microcontroller project?

This single version operates at both 3.3V and 5V thanks to the onboard voltage translator, so it works with either logic level without needing a different model.

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