Description:This E-Ink display module, 1.54inch, 200x200 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.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/Nucleo, etc.Comes with development resources and manual (examples for Raspberry Pi/STM32).Specifications:Operating voltage: 3.3VInterface: 3-wire SPI, 4-wire SPIOutline dimension: 48mm x 33mm / 1.9" x 1.3"Display size: 27.6mm x 27.6mm / 1.1" x 1.1"Dot pitch: 0.138 x 0.138Resolution: 200 x 200Display color: red, black, whiteGrey level: 2Refresh power: 26.4mW(typ.)Standby power: < 0.017mWViewing angle: > 170°Package weight: 30gInterfaces:VCC: 3.3VGND: GroundDIN: SPI MOSI pinCLK: SPI SCK pinCS: SPI chip selection, low activeDC: Data/Command selection (high for data, low for command)RST: External reset, low activeBUSY: Busy status output, low activePackage List:1 x 1.54inch e-Paper Module (B) 1 x XH2.54 8Pin Cable (20cm / 7.9in)Note: If you want more tutorials and instructions about this product, please contact us, we will send related information to you.Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering..