This is an E-Ink display HAT for Raspberry Pi, 2.13inch, 212x104 resolution, with embedded controller, communicating via SPI interface, supports red, black, and white three-color display.
Compatible with Raspberry Pi Zero/Zero W/Zero WH/2B/3B/3B+
No backlight, keeps displaying last content for a long time even when power down
Preserved solder pads for SPI interface, for connecting with other controller boards like Arduino/Nucleo, etc.
Onboard voltage translator, compatible with 3.3V/5V MCUs,Comes with development resources and manual (examples for Raspberry Pi/STM32)