Three-color, 264x176, 2.7inch E-Ink display HAT for Raspberry Pi
Waveshares SPI 2.7inch e-Paper display
Features & Specifications
- 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
- Compatible with Raspberry Pi 2B/3B/3B+/Zero/Zero W
- 4x Onboard Keys
- 3 or 4-wire SPI interface (4 is default)
- Onboard voltage translator, compatible with 3.3V/5V MCUs
- Display size: 57.288mm x 38.192mm (2.7 inch)
- Dot pitch: 0.217 x 0.217
- Resolution: 264 x 176
- Display color: red, black, white
- Grey level: 2
- Full refresh time: 15s
- Refresh power: 26.4mW (typ.)
- Standby power: <0.017mW
- Viewing angle: >170°
- 2inch7b is the 3 color. 2inch7 is the B/W version
Board pinout
| VCC | 3.3V/5V (looks like 3.3V is used) |
| 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 |
Button pinout
| Button | Board name | GPIO | RPi pin |
|---|---|---|---|
| K1 | P5 | 5 | 29 |
| K2 | P6 | 6 | 31 |
| K3 | P13 | 13 | 33 |
| K4 | P19 | 19 | 35 |
Header H1
Note that the four buttons are not included in this header.| Pin | function | Wire color | |
|---|---|---|---|
| 1 | VCC | Red | |
| 2 | GND | Black | |
| 3 | DIN | Blue | |
| 4 | CLK | Yellow | |
| 5 | CS | Orange | |
| 6 | D/C | Green | |
| 7 | RST | White | |
| 8 | BUSY | Purple |
Websites
Waveshare.com Wikiwww.waveshare.com
Schema
