400x300 4.2inch E-Ink raw display without PCB SPI Interface No Backlight Custom PCB pcba ballast oem

  400x300, 4.2inch E-Ink raw display DESCRIPTION 400x300, 4.2inch E-Ink raw display, SPI interface, without PCB Overview This is an E-Ink raw display, 4.2inch, 400x300 resolution, with embedded controller, communicating via SPI interface. Due to the advantages like ultra low power consumption, wide viewing angle, great effect under sunlight, 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 Comes with development resources and manual (driver board schematic, examples for Raspberry Pi/Ard/STM32) Specifications Operating voltage: 3.3V Interface: 3-wire SPI, 4-wire SPI Outline dimension: 90.1mm × 77.0mm × 1.18mm 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° Development Resources   PACKAGE CONTENT Weight: 0.017 kg Note: This is a raw display, you may also want to buy the assembled variant for easy testing and comparing: 4.2inch e-Paper Module 4.2inch e-Paper x1