Waveshare 4.2 inch E Paper Raw Display Panel(B),400x300 Resolution Red Black White Three Color Ink Electronic Screen Without PCB for Raspberry Pi/Jetson Nano/Arduino/STM32 with SPI Interface

This is an E-Ink raw display, 4.2inch, 400x300 resolution, with embedded controller, communicating via SPI interface, supports red, black, and white three-color display. Due to the advantages like ultra low power consumption, wide viewing angle, great effect under sunlight, it is an ideal choice for applications such as shelf label, industrial instrument, and so on. 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)