4.2inch e-Paper Module

400x300, 4.2inch E-Ink display module, SPI interface Overview This is an E-Ink display module, 4.2inch, 400x300 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. Features 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 SPI interface, for connecting with controller boards like Raspberry Pi/Arduino/Nucleo, etc. Comes with development resources and manual (examples for Raspberry Pi/Arduino/STM32) Specifications Operating voltage: 3.3V Interface: 3-wire SPI, 4-wire SPI Outline dimension: 103.0mm × 78.5mm Display size: 84.8mm × 63.6mm Dot pitch: 0.212 × 0.212 Resolution: 400 × 300 Display color: black, white Grey level: 2 Full refresh time: 4s Refresh power: 26.4mW(typ.) Standby power: <0.017mW Viewing angle: >170°