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E-paper display - 3'' 400x168px - 4 colors - SPI - Waveshare 22758
Waveshare 's e-paper display, which is used in e-book readers and electronic magazines. The diagonal of the screen is 3 "and the resolution is 400 x 168 px . The image is presented in four colors : red, yellow, black and white. The screen uses the SPI interface for communication purposes and works with the module boards such as Raspberry Pi, Jetson Nano, Arduino, STM32, etc.
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Product description: E-paper display - 3'' 400 x 168 px - 4 colors - SPI - Waveshare 22758
Waveshare 'se-paper display, which is used in e-book readers and electronic magazines. The diagonal of the screen is 3 "and the resolution is 400 x 168 px . The image is presented in four colors : red, yellow, black and white. The screen uses the SPI interface for communication purposes and works with the module boards such as Raspberry Pi, Jetson Nano, Arduino, STM32, etc.
Product compatible with Raspberry Pi and Arduino!
The manufacturer provides a product wiki page that makes it easy to get started with the display - check it out!
E-paper display - 3'' 400 x 168 px - 4 colors - SPI - Waveshare 22758.
Botland is an official distributor of Waveshare devices. Their versatility and compatibility, particularly in display and power technology, have won over customers all over the world. Our team guarantees that all Waveshare products presented here are original.
e-paper technology.
What is the "e ink e paper" display?
The e-paper display, also known as e-paper display, uses electrophoretic microcapsule technology to present data. This means that it mimics the appearance of standard ink found on traditional paper. This type of technology is extremely user-friendly - screens do not emit blue glow, are passively reflective and provide a wide viewing angle. All these features mean that our eyesight does not get tired so much during use, and reading is even more enjoyable than before.
Main features of the e-paper screen
- No backlight, it displays the last content for a long time, even when the power is disconnected
- Very low power consumption, power only required to refresh the image
- SPI interface, compatible with Arduino , Raspberry Pi , STM32 , Jetson Nano etc.
- Built-in voltage regulator compatible with 3.3V/5V boards
Suggested use
E-paper displays are characterized by very low power consumption, making them ideal for:
- Display labels and prices in supermarkets
- Presenting user data at conferences
- Representing disease descriptions and patient charts in hospitals
E-paper screens are characterized by very low energy consumption.
Shield leads.
Pin description
At the back of the display there is a connector with leads, so there is no need to solder the connectors. Just connect the display using the cable included in the set in accordance with the following relationships:
- VCC - supply voltage 3.3 V / 5 V
- GND - system ground
- DIN - MOSI line of the SPI bus
- CLK - SCK line of the SPI bus
- CS - chip select (activated low)
- DC - data / command selection pin (high state for data, low state for commands)
- RST - reset, activated by low state
- BUSY - output pin of busy state, activated by high state
e-paper display specification
- Supply voltage: 3.3 V or 5 V
- Interface: SPI
- Display color: red, yellow, black and white
- Diagonal: 3''
- Resolution: 400 x 168 pixels
- Grayscale: 2
- Full refresh time: 12 sec
- Refresh power consumption: less than 60mW
- Standby current consumption: less than 0.01 uA
- Viewing angle: over 170°
- Pixel dimensions: 0.176 × 0.176 mm
- Module dimensions: 88.5 × 41 mm
- Display dimensions: 70.4 × 29.568 mm
Kit contents
The set also includes a connection cable with the appropriate connector.
Useful links
| Name | Value |
|---|---|
| Screen - type | e-paper |
| Screen - interface | SPI |
| Screen - touch | no |
| Width | 12 cm |
| Height | 6.5 cm |
| Depth | 3.5 cm |
| Weight | 0.056 kg |
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30 days to return, without giving a reason
If the product does not meet your expectations, you have 30 days from receiving the parcel to withdraw from the contract. The product only has to be complete. The right of return belongs to consumers (a purchase unrelated to business activity).
Complaints
If the product turns out to be faulty, you can make a claim under the guarantee or the statutory warranty. We handle claims without delay, at the latest within 14 working days of receiving the report together with the goods.
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Instructions and documents
GPSR data
Product information
This product is a component intended for further assembly or prototyping. It is not a finished product within the meaning of the product safety regulations.
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