Description

2.7inch E-Ink Display HAT

This is an E-Ink display HAT for the Raspberry Pi. The display is 2.7″ with a 264×176 resolution, and includes an embedded controller communicating via SPI interface.

Due to the advantages like ultra-low power consumption, wide viewing angle, clear display without electricity, it is an ideal choice for low-power applications and projects. It’s one of the recommended displays for the Pwnagotchi project!

Features

  • No backlight – keeps displaying last content for a long time even when powered down
  • Ultra-low power consumption – the majority of power is only required for refreshing the display
  • Standard Raspberry Pi 40-pin GPIO extension header
  • 4 Onboard buttons
  • SPI interface for connecting with other controller boards like Raspberry/Arduino
  • Onboard voltage translator, compatible with 3.3V/5V MCUs
  • Comes with development resources and manual

Resources

  • Product Wiki: https://www.waveshare.com/wiki/2.7inch_e-Paper_HAT

Interfaces

SYMBOL DESCRIPTION
VCC 3.3V/5V
GND Ground
DIN SPI MOSI pin
CLK SPI SCK pin
CS SPI chip selection, low active
DC Data/Command selection (high for data, low for command)
RST External reset, low active
BUSY Busy status output, low active

Specifications

  • Operating voltage: 3.3V/5V
  • Interface: 3-wire SPI, 4-wire SPI
  • Outline dimension: 85mm ?? 56mm
  • Display size: 57.288mm ?? 38.192mm
  • Dot pitch: 0.217 ?? 0.217
  • Resolution: 264 ?? 176
  • Display colour: black, white
  • Greyscale: 4
  • Full refresh time: 6s
  • Refresh power: 24mW(typ.)
  • Standby power: <0.017mW
  • Viewing angle: >170??