This is an E-Ink display module, 2.9inch, 296x128 resolution, with embedded controller, communicating via SPI interface, supports partial refresh. 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. Onboard voltage translator, compatible with 3.3V/5V MCUs Comes with development resources and manual (examples for Raspberry Pi/Jetson Nano/Arduino/STM32) Specifications: Operating voltage: 3.3V/5V Interface: 3-wire SPI, 4-wire SPI Outline dimension: 89.5mm × 38mm Display size: 66.89mm × 29.05mm Dot pitch: 0.138 × 0.138 Resolution: 296 × 128 Display color: black, white Grey level: 2 Partial refresh time: 0.3s Full refresh time: 2s Refresh power: 26.4mW(typ.) Standby power: 170° Pinouts: SYMBOL DESCRIPTION VCC 3.3V/5V GND Ground DIN SPI MOSI pin CLK SPI SCK pin CS SPI chip selection, low active DC Data/Command selection (high for data, low for command) RST External reset, low active BUSY Busy status output, high active Dimensions: Package Content: 2.9inch e-Paper Module x1 PH2.0 20cm 8Pin x1 Resources: Wiki Page