3.7" E-Ink Display HAT for Raspberry Pi (480×280)

WaveshareSKU: WAV-18057
(1 Reviews)
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This large e-paper HAT for the Raspberry Pi features a 3.7" 480x280 screen with partial refresh support, low power usage, wide viewing angles and an excellent paper-like effect.

The HAT can fit on any 2x20 pin Raspberry Pi (Pi4, Pi 3, Pi Zero) and requires no soldering. It uses an SPI interface, reducing the number of GPIO pins used whilst also allowing it to be used with other microcontrollers such as the Arduino. This is further supported by the onboard voltage translator, making it compatible with 3.3V and 5V controllers.

Features

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

Resources

Product Wiki

Package Contents

  • 1x 3.7inch e-Paper HAT
  • 1x PH2.0 20cm 8-Pin cable

Specifications

  • Operating voltage: 3.3v/5v
  • Greyscale: 4
  • Interface: 3-wire SPI, 4-wire SPI
  • Partial refresh time: 0.3s
  • Outline dimensions: 58.0 × 96.5mm
  • Full refresh time: 3s
  • Display size: 47.32 × 81.12mm
  • Refresh power: 50mw (typ.)
  • Dot pitch: 0.169 × 0.169mm
  • Standby current: <0.01ua (almost none)
  • Resolution: 480 × 280 pixels
  • Viewing angle: >170°
  • Display colour: black, white

Onboard SPI Interface

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, high active

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