Provide online user manual (examples for Raspberry Pi/STM32), please check the manual carefully before using! ^^ 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 ^^ Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards ^^ USB/SPI/I80 interface, for connecting with controller boards like Raspberry Pi/STM32, etc.