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Waveshare 400x300£¬ 4.2 E-Ink Raw Display For Raspberry Pi£¬ Arduino
400x300£¬ 4.2inch E-Ink raw display£¬ SPI interface£¬ without PCBOverviewThis 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. FeaturesNo backlight£¬ keeps displaying last content for a long time even when power downUltra low power consumption£¬ basically power is only required for refreshingComes with development resources and manual (driver board schematic£¬ examples for Raspberry Pi/Arduino/STM32) SpecificationsOperating voltage: 3.3VInterface: 3-wire SPI£¬ 4-wire SPIOutline dimension: 90.1mm × 77.0mm × 1.18mmDisplay size: 84.8mm × 63.6mmDot pitch: 0.212 × 0.212Resolution: 400 × 300Display color: black£¬ whiteGrey level: 2Refresh power: 26.4mW(typ.)Standby power: <0.017mWViewing angle: >170°