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Waveshare 3.7inch 4 Color E-Paper Display (G) 416 x 240

Waveshare 3.7inch 4 Color E-Paper Display (G) 416 x 240

Electronic Components

Waveshare 3.7inch 4 Color E-Paper Display (G) 416 x 240

Price
Original price was: $14.00.Current price is: $11.20.

SKU:

US31210884

Category:

Shopping information

3.7inch 4 Color E-Paper Display (G)

3.7inch E-Paper display with 416 240 resolution, red / yellow / black / white four-color output, SPI interface, low power consumption, and optional HAT+ driver board support.

Designed for price tags, shelf labels, industrial instruments, asset labels, conference name tags, and other compact low-power display applications.

Key Features

  • 3.7inch e-paper display with 416 240 resolution and red / yellow / black / white four-color output.
  • No backlight; the screen keeps displaying the last content for a long time even after power is removed.
  • Ultra-low power consumption, with power mainly required during refresh.
  • Wide viewing angle and paper-like visual effect under ambient light.
  • SPI communication interface for controller boards such as Raspberry Pi, Jetson Nano, Arduino, STM32, and ESP32.
  • Optional HAT+ driver board supports Raspberry Pi 40PIN GPIO, HAT+ standard, and onboard voltage translation for 3.3V / 5V MCUs.

Version Options

3.7inch e-Paper (G)

Raw display version without driver board.

3.7inch e-Paper HAT+ (G)

Version with HAT+ driver board.

Specifications

Operating voltage Raw display: 3.3V; with driver board: 3.3V / 5V
Interface 3-wire SPI, 4-wire SPI
Display color Red / Yellow / Black / White
Resolution 416 240 pixels
Raw display dimensions 92.99 53.00 1.00mm
With driver board dimensions 96.00 57.00mm
Display size 81.54 47.04mm
Dot pitch 0.196 0.196mm
Grey scale 2
Fast refresh time 12s
Full refresh time 20s
Refresh power <30mW
Standby current <0.01uA, almost none
Viewing angle >170

E-Paper Advantages

E-paper display uses microcapsule electrophoretic technology. Charged particles suspended in clear fluid move when an electric field is applied, making the display visible by reflecting ambient light like printed paper.

The display is clearly visible under lamplight or natural light, requires no backlight, and provides a paper-like viewing experience with a wide viewing angle.

Optional Driver Board Interface

The optional driver board provides an onboard SPI control interface for use with Raspberry Pi, Jetson Nano, Arduino, STM32, ESP32, and similar controller boards.

VCC Power, 3.3V / 5V input
GND Ground
DIN SPI MOSI pin
SCLK SPI SCK pin
CS SPI chip selection, low active
DC Data / Command selection
RST External reset, low active
BUSY Busy status output pin
PWR Power on / off control

Raspberry Pi 40PIN GPIO Header

The optional HAT+ driver board provides a standard Raspberry Pi 40PIN GPIO header and supports Raspberry Pi series boards and Jetson Nano.

HAT+ Standard and Voltage Translator

The HAT+ standard improves interoperability and helps users design, develop, and extend Raspberry Pi projects more quickly. The onboard voltage translator supports both 3.3V and 5V MCUs.

Application Examples

Suitable for price tags, asset and equipment tags, shelf labels, conference name tags, and other compact low-power display applications.

Outline Dimensions

3.7inch e-Paper (G)

3.7inch e-Paper HAT+ (G)

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