Combined with the advantages like ultra low power consumption, wide viewing angle, clear display without electricity, it is an ideal choice for applications where curved surface display is required, such as industrial instruments, smart wearable-devices, and so on. Overview This is a flexible E-Ink raw display, 2., 9inch, 296×128 resolution, with embedded controller, communicating via SPI interface, supports partial refresh. Features Flexible e-Paper, the display section is bendable (DON'T bend the FPC section) 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 development resources and manual (driver board schematic, examples for Raspberry Pi/Arduino/STM32) Specifications Operating voltage: 3., 3V Interface: 3-wire SPI, 4-wire SPI Outline dimension: 79mm × 36., 7mm × 0., 34mm Display size: 66., 9mm × 29., 06mm Dot pitch: 0., 227 × 0., 226 Resolution: 296 × 128 Display color: black, white Grey level: 2 Full refresh time: 2s Refresh power: 26., 4mW(typ. This is a flexible E-Ink raw display, 2., 9inch, 296×128 resolution, with embedded controller, communicating via SPI interface, supports partial refresh. ) Standby power: Viewing angle: 170°Development Resources Wiki : www., waveshare., com/wiki/2., 9inch_e-Paper_(D) Le Waveshare Écran E-Ink Flexible 2.9" Raw Display Panel, 296×128 est une solution d'affichage polyvalente caractérisée par un design flexible permettant une flexion sans dommage écran Papier électronique SPI Waveshare 2.7inch E-Ink Raw Display Compatible With Raspberry Pi 4B/3B+/3B/2B/B+/A Affichage Courbe Wearable Waveshare 296x128, écran E-Ink de 2,9 pouces