Product description Features At A Glance Adopts E Ink Spectra 6 (E6) technology, featuring high contrast and high color saturation 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 online development resources and manual (driver board circuit diagram, examples for Raspberry Pi/Jetson Nano/RDK X3/Arduino/STM32) Optional for e-Paper driver board: Standard Raspberry Pi 40PIN GPIO header, supports Raspberry Pi series boards, Jetson Nano, and RDK X3 Adopts Raspberry Pi HAT+ standard to improve interoperability, helping the users to design and develop faster, easy to use with other peripherals and extend more functions for Raspberry Pi Adapting SPI interface for connecting with controller boards like Raspberry Pi/Jetson Nano/RDK X3/Arduino/STM32, etc. Onboard voltage translator, compatible with 3.3V / 5V MCUs