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This is an E-Ink raw display, 2.9inch, 296x128 resolution, with embedded controller, communicating via SPI interface, supports partial refresh. 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。SPI interface, for connecting with other controller boards like Raspberry/Nucleo, etc. Ultra low power consumption, basically power is only required for refreshing Comes with development resources and manual (driver board schematic, examples for Raspberry Pi/Jetson Nano/STM32)