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4.2inch E-Ink raw display, 3-color
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$40.95
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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.
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
- 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.
Technical Details
| Dimensions | 90.10mm x 77mm x 1.18mm |
| Weight | G.W 30g N.W 15g |
| Battery | Exclude |
| Operating voltage | 3.3V |
| 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 |
| Grey level | 2 |
| Full refresh time | 15s |
| Refresh power | 26.4mW(typ.) |
| Standby power | <0.017mW |
| Viewing angle | >170° |
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