Provide online user manual (examples for Raspberry Pi/Jetson Nano/Arduino/STM32) please check the manual carefully before using! This is an E-Ink raw display 7.5 inch 800×480 resolution with embedded controller communicating via SPI interface. Due to the advantages like ultra low power consumption wide viewing angle clear display without electricity 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 downUltra low power consumption basically power is only required for refreshing