waveshare 4.2inch E-Ink Display Module 400x300 Pixel Black,White Two-Color 3.3V-5V E-Paper Screen LCD Support Full Refresh SPI Interface for Raspberry/Jetson Nano/Ard/Nucleo

4.2 inch E-Ink Display Module 400x300 Pixel Two Display Color Electronic E-Paper Screen 3.3V -5V Embedded Controller SPI Interface with Examples for Raspberry Pi/Jetson Nano/Arduino
Overview
This is an E-Ink display module, 4.2 inch, 400x300 resolution, with 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 applications such as shelf label, industrial instrument, and so on.
Features
No backlight, keeps displaying last content for a long time even when power down, Ultra low power consumption, basically power is only required for refreshing, SPI interface, for connecting with controller boards like Raspberry Pi/Jetson Nano/Arduino/Nucleo, etc. Onboard voltage translator, compatible with 3.3V /5V MCUs, Comes with development resources and manual (examples for Raspberry Pi/Jetson Nano/Arduino/STM32)

Specifications

Operating voltage: 3.3V ~5V
Interface: 3-wire SPI, 4-wire SPI
Outline dimension: 103.0 mm x 78.5 mm
Display size: 84.8 mm x 63.6 mm
Dot pitch: 0.212 x 0.212
Resolution: 400 x 300
Display color: black, white
Grey level: 2
Full refresh time: 4s
Refresh power: 26.4 mW(typ. )
Standby power: <0.017mW
Viewing angle: >170deg
Package Content
4.2 inch e-Paper Module x1
PH 2.0 20cm x1