This is an E-Ink raw display, 4.2inch, 400×300 resolution, with embedded controller, communicating via SPI interface, supports red, black, and white three-color display. 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 Comes with development resources and manual (driver board schematic, examples for Raspberry Pi/Arduino/STM32) The driver board of 2.7inch E-Ink display HAT can also be used for testing the 4.2 inch E-Ink raw display, here’s the Wiki for your reference.
