2.9 Inch E-paper Display
Highlight prices, advertisements, and any other desired information
This product is a 2.9-inch e-ink display expansion module, suitable for Raspberry Pi series motherboards, Arduino, STM32, etc. We provide C and Python version demo codes for Raspberry Pi, as well as Arduino and STM32 version demo codes. The demo codes can achieve drawing of points, lines, rectangles, circles, as well as display of English alphanumeric characters and images.
Product Features
- 296 x 128 pixels
- SPI interface, requiring relatively few pins occupied
- Onboard level shifter chip, compatible with both 3.3V and 5V microcontroller interfaces
- Open-source example programs provided for Raspberry Pi, Arduino, and STM32 development boards
Product Specifications
| Size | 82mm (length) x 38mm (width) |
| Screw Size | M2.5 |
| Pixels | 296 x 128 |
| Display Color | Monochrome |
| Level Conversion Chip | TXS0108EPWR |
| Signal Interface | SPI |
| Power Supply Voltage | 5V/3.3V |
| Display Area | 66.9mm (H) x 29mm (W) |
| Gray Level | 4 |
| Full Refresh Time | 3S |
| Fast Refresh Time | 1.5S |
| Partial Refresh Time | 0.3S |
| Power Consumption | 9mW |
| Standby Power Consumption | 0.003mW |
Easy to connect and assemble
SPI interface, requiring relatively few pins occupied, easy to for connecting with other controller boards like Raspberry Pi/ Jetson Series/Arduino/STM32, etc.
Sunlight Readability
This E-paper display can be read directly, unlike LCD screens that require brightness adjustment or backlight to read, can better protect the eyes and overall health.
Resource Profile
①、2.9-inch e-ink display
②、E-ink display connector
③、SPI control interface connector
④、Level conversion chip TXS0108
⑤、SPI lines selection switch
Interface Definitions
| VCC | 3.3V&5V |
| GND | Ground |
| RST | External Reset Pin (Low Level Reset) |
| BUSY | Busy Status Output Pin (High Level Indicates Busy) |
| 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 |
Product Dimensions
Application
SEENGREAT's E-paper based displays can be found in a variety of public environments including retail stores, corporate buildings, healthcare and logistics. The digital transformation of commerce improves price agility and precision, store efficiency, and employee-shopper connectivity. Information is continuously monitored ensuring no product change will ever be missed again, adjust product prices to correlate with shopper trends throughout the day within minutes. This 2.9-inch monochrome E-paper display use for price tags, shelf labels, industrial instruments, handheld equipment, public information systems, and digital signage equipment, plus freight container labeling, shop floor conveyor systems, warehousing operations, etc.
Wiki
2.9inch SPI E-ink Display Expansion Module HAT 296x128
Package Contents
- 2.9-inch E-Paper Display x 1
- PH2.0 8PIN connector cable 20cm × 1
