2.9inch E-paper Display Expansion Module HAT
Works with Raspberry Pi, Arduino, STM32, ESP32
I Product Overview
This product is a 2.9-inch 4-color ink screen, supporting black, white, yellow and red 4 color display.Its resolution is 384x168, using SPI communication mode, and supporting full refresh mode.Suitable for e-book readers, electronic price tags, industrial and logistics labels, digital signage, billboards, conference nameplates, electronic memos, etc.We provide example programs in C and Python for Raspberry Pi. A reserved SPI control interface allows easy integration with main control boards such as Arduino, STM32, and ESP32. We also offer example code for Arduino, STM32, and ESP32, which supports displaying images, English and numerical characters, and drawing points, lines, rectangles, and circles.
II Product Features
- 2.9inch ink screen
- Support black, white, yellow, red 4 colors display, resolution: 384x168
- SPI interface, requiring fewer pins
- Onboard level-shifting chip, compatible with 3.3V and 5V microcontroller interfaces
- Reserved SPI communication interface for easy integration with main control boards such as Arduino, STM32, and ESP32
- Provides open-source example programs for Raspberry Pi, Arduino, STM32, and ESP32 development boards
Compatibility with Raspberry Pi, Arduino, STM32, ESP32
SPI Interface/Wide Viewing Angle & No Backlight
Product Specifications
Size | 2.9 inch |
Pixels | 384 x 168 |
Display Colors | 4 colors: black, white, yellow, red |
Level-Shifting Chip | TXS0108EPWR |
Signal Interface | SPI |
Power Supply Voltage | 3.3V/5V |
Pixel Spacing | 0.176mm x 0.176mm |
Full Refresh | 20s |
Display Direction | Horizontal and Vertical |
Operating Temperature | 0℃-40℃ |
FPC Interface | 0.5mm pitch 24 Pin |
Refresh Power Consumption | 9.9mW |
Standby Power Consumption | 0.003mW |
Exterior Dimensions | 83mm x 36.9mm |
Display Area | 67.58mm x29.57mm |
Explanation of the refresh process (refresh time: the entire process from the beginning of the screen action to the stabilization of the screen):
Interface Configuration
E-paper Interface SPI VCC 3.3V/5V GND Power ground RST External reset pin (low level reset) BUSY Busy status output pin D/C Data/Command control pin (high level for data, low level for command) MOSI SPI communication MOSI pin CS SPI chip select pin (active low) CLK SPI communication SCK pin
"4-color display I Low power consumption"
> Refresh power at just 9.9mW, standby power at 0.003mW,retains images without power <
Resource Overview
① 2.9-inch black-white-yellow-red 4-color ink screen
② E-paper screen connector
③ SPI control interface connector
④ Level-shifting chip TXS0108EPWR
⑤ SPI lines count selection switch(default is "0" position)
Application Examples
E-book readers, electronic price tags, industrial labels, digital signage,
conference nameplates, electronic memos, etc.
WIKI
Accessories List
①2.9-inch black-white-yellow-red 4-color ink screen(with driver board) x1
②PH2.0 8PIN connector cable 20cm x1
