This is an E-Ink raw display, 4.2inch, 400×300 resolution, with embedded controller, communicating via SPI interface, supports red, black, and white three-color display.
- 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
- Comes with development resources and manual (driver board schematic, examples for Raspberry Pi/Arduino/STM32)
The driver board of 2.7inch E-Ink display HAT can also be used for testing the 4.2 inch E-Ink raw display, here’s the Wiki for your reference.
|Dimensions||90.10mm x 77mm x 1.18mm|
|Weight||G.W 30g N.W 15g|
|Interface||3-wire SPI, 4-wire SPI|
|Outline dimension||90.1mm — 77.0mm — 1.18mm|
|Display size||84.8mm — 63.6mm|
|Dot pitch||0.212 — 0.212|
|Resolution||400 — 300|
|Display color||red, black, white|
|Full refresh time||15s|