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Description 640x384, 7.5inch E-Ink display HAT for Raspberry Pi, three-color, SPI interface This is an E-Ink display HAT for Raspberry Pi, 7.5inch, 640x384 resolution, with embedded controller, communicating via SPI interface, supports red, black, and white three-color display. 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. Specifications Operating voltage: 3.3V Interface: SPI Outline dimension: 170.2mm x 111.2mm Display size: 163.2mm x 97.92mm Dot pitch: 0.255 x 0.255 Resolution: 640 x 384 Display color:red, black, white Grey level: 2 Full refresh time: 16s Refresh power:38mW(typ.) Standby power: 170° Package Contains 7.5inch e-Paper (B) x1 e-Paper Driver HAT x1 RPi screws pack (2pcs) x1 Development Resources Wiki : www.waveshare.com/wiki/7.5inch_e-Paper_HAT_(B) 100% original gurantee, technical support always available!