2.7″ E-Ink Display HAT
This is an E-Ink display HAT for the Raspberry Pi. The display is 2.7″ with a 264×176 resolution, and includes an embedded controller communicating via SPI interface.
Due to the advantages like ultra-low power consumption, wide viewing angle, clear display without electricity, it is an ideal choice for low-power applications and projects. It’s one of the recommended displays for the Pwnagotchi project!
Features
- No backlight – keeps displaying last content for a long time even when powered down
- Ultra-low power consumption – the majority of power is only required for refreshing the display
- Standard Raspberry Pi 40-pin GPIO extension header
- 4 Onboard buttons
- SPI interface for connecting with other controller boards like Raspberry/Arduino
- Onboard voltage translator, compatible with 3.3V/5V MCUs
- Comes with development resources and manual
Resources
- Product Wiki: https://www.waveshare.com/wiki/2.7inch_e-Paper_HAT
Interfaces
| 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, low active |
Specifications
- Operating voltage: 3.3V/5V
- Interface: 3-wire SPI, 4-wire SPI
- Outline dimension: 85mm × 56mm
- Display size: 57.288mm × 38.192mm
- Dot pitch: 0.217 × 0.217
- Resolution: 264 × 176
- Display colour: black, white
- Greyscale: 4
- Full refresh time: 6s
- Refresh power: 24mW(typ.)
- Standby power: <0.017mW
- Viewing angle: >170°
