Waveshare 400×300, 4.2″ E-Ink Raw Display

Description

• Waveshare 400×300, 4.2″ E-Ink Raw Display
• Offers 400×300 E-Ink display for paper-like reading
• Utilizes ultra-low power; needs power only for refreshing
• Ensures over 170 viewing angle for clear visibility
• Supports SPI interface with Raspberry Pi, Arduino
• Provides partial refresh for efficient performance

The Waveshare 400×300, 4.2″ E-Ink Raw Display is a sophisticated electronic paper display that offers a resolution of 400×300 pixels. This display is designed to provide a paper-like reading experience, utilizing microcapsule electrophoretic technology to reflect ambient light, similar to traditional printed paper. It features a wide viewing angle of over 170 degrees, ensuring clear visibility from various perspectives.

This E-Ink display operates with ultra-low power consumption, requiring energy only during the refreshing process. It does not include a backlight, allowing it to maintain the last displayed content even when powered down. The display supports partial refresh, enhancing its efficiency and responsiveness.

The display is suitable for a variety of applications, including price tags, shelf labels, and industrial instruments. It communicates via an SPI interface and requires ambient light for optimal performance. The product is provided without a driver board but includes online development resources and manuals for integration with systems such as Raspberry Pi, Jetson Nano, Arduino, and STM32.

View moreWhat’s Included

• 1x Waveshare 400×300, 4.2″ E-Ink Raw Display

Dimensions

• Size: 4.2″
• Outline Dimensions: 91.0 x 77.0 x 1.18 mm
• Display Size: 84.8 x 63.6 mm

Specifications

• Resolution: 400300 pixels
• Viewing Angle: >170
• Display Color: Black/White
• Grey Scale: 4
• Communication: SPI
• Display Panel: E-paper
• Experience: Paper-like
• Environment: Ambient Light Required
• Display Type: Passively Reflective
• Refreshing: Partial Refresh Support
• No backlight; retains last content display even when powered down
• Ultra-low power consumption; power needed only for refreshing
• Includes online development resources and manual (driver board schematic, examples for Raspberry Pi/Jetson Nano/Arduino/STM32)
• Operating Voltage: 3.3V
• Interface: 3-wire SPI, 4-wire SPI
• Dot Pitch: 0.212 0.212mm
• Full Refresh Time: 5s
• Fast Refresh Time: 1s/1.5s
• Partial Refresh Time: 0.4s
• Refresh Power: 26.4mW (typical)
• Standby Current: <0.01uA (almost none)
• E-paper display uses microcapsule electrophoretic technology
• Displays images/texts clearly under lamplight or natural light
• Requires no backlight
• Nearly 180 viewing angle
• Commonly used as an e-reader due to its paper-like effect