Waveshare Tri Color 7.5inch E Paper Display HAT Module 800x480 Ink Three Screen for Raspberry Pi/Jetson Nano SPI Interface with ESP32 Driver Board(WiFi/Bluetooth)

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 Onboard ESP32, supports Arduino development; Provides Android APP, allows to refresh display content via Bluetooth EDR Supports Floyd-Steinberg dithering algorithm, more color combinations, better shadow rendering for the original image; supports popular image formats: BMP, JPEG, GIF, PNG, etc Development Resources: www.waveshare.com/wiki/7.5inch_e-Paper_HAT_(B); www.waveshare.com/wiki/e-Paper_ESP32_Driver_Board