Overview:
This is an E-paper display module, with embedded controller, communicating via SPI interface, supports black, and white color display.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 downUltra low power consumption, basically power is only required for refreshingComes with development resources and manual (examples for Arduin-esp32)
Specifications:
Operating voltage: 3.3VInterface: 3-wire SPI, 4-wire SPIDisplay color: Black, whiteGrey level: 2Full refresh time: 8sRefresh power: 26.4mW(typ.)Standby power: <0.017mWViewing angle: >170
Product Details:

Part Number Colors Grey Level Resolution Display size (mm) Outline Dimension (mm) Full Refresh Time (s) Partial Refresh Time (s) Interface 1.54 inch e-Paper (Product ID: 1287925) black, white 2 200×200 27.60 27.60 31.8 37.3 2 0.3 SPI 2.13 inch e-Paper black, white 2 250×122 48.55 23.71 59.2 29.2 2 0.3 SPI 2.7 inch e-Paper black, white 2 264×176 57.29 38.19 70.4 45.8 6 N/A SPI 2.9 inch e-Paper black, white 2 296×128 66.89 29.05 79.0 36.7 2 0.3 SPI

Test the firmware:
/Xinyuan-LilyGO/LilyGo-T5-ink-series
Package includes:
1 x OLED module