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4.2" Wide Temperature E-ink displays -25℃~50℃ Electronic Paper 400x300 Resolution Intelligent Paper

GDEM042T31WT
Discover the 4.2inch E-Paper Display with 400x300 Resolution, Perfect for Extreme Temperatures and Industrial Applications!
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$15.98
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    EPD
    EPD with adapter board
    EPD with STM32 Demo Kit
    EPD with ESP32 Demo Kit
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  • Description
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Elevate your tech game with our versatile and reliable 4.2" E-paper display

 

 

 

 

Upgrade your projects with the GDEM042T31WT, a 4.2-inch wide temperature e-ink display that combines style and functionality. With a sharp 400x300 resolution and SPI interface, it refreshes fully in just 3 seconds and showcases vibrant black and white images that remain visible indefinitely without power. Once updated, these e-paper modules can be completely disconnected, keeping your content intact. Perfect for low-power applications like solar-powered smart tags, wearables, smart home devices, industrial instruments, and smart cards, this reliable display is your ultimate choice for energy-efficient technology.

 

 

 

 

 

 

 

 

Special Features

 

  
 

 

Our product boasts distinctive features that set it apart from the competition

 

  
 

 

  ●  Extreme Temperature Resilience:  From -25°C to 50°C, our E-paper thrives in any climate. Perfect for both Arctic chills and desert heat!
 ● Cost-Effective and Reliable: High performance without breaking the bank. Consistent supply for all your large-scale projects.
 ● Ultra-Low Power Consumption: Lasts as long as you need it. Power-efficient design means no energy drain when not refreshing.
 ● Superior Visual Experience: Crisp, clear, and easy on the eyes. Enjoy over 170 degrees of wide viewing without any blue light.
 ● Anti-Glare Hard-Coated Surface: Readable even in bright sunlight. Our anti-glare treatment keeps your display clear and sharp.
 ● Versatile and Adaptable: From wearables to smart home devices, our 1.54-inch E-paper fits seamlessly into any design with both horizontal and vertical display options.

 

 

  



 

 

 

Technical Details

 

 

 

 

Please refer to the product drawings for detailed dimensions

 

 



 

 

 

Product Specifications

 

 

 

 

Please refer to the product specifications for more details

 

 

 

 
PART NUMBER GDEM042T31WT CONNECTOR 24 PIN 0.5mm
SIZE 4.2 inch TYPE Dot Matrix
IC UC8276 MAX GRAYSCALE 4
RESOLUTION 400x300 COLOR Black, White
OUTLINE SIZE(mm) 91x77x1.2 Typical power(mW) 18.6
ACTIVE SIZE(mm) 84.8x63.6 Deep sleep power(mW) 0.003
PIXEL PITCH(mm) 0.212x0.212 Full update time(s)  3
OPERATING TEMP. -25℃~50℃ STORAGE TEMP. -25℃~70℃
INTERFACE SPI PPI 183.66

 

 

 

 

 

 

Matching Driver Board

 

To facilitate the testing and comparison of e-paper, we recommend the following driver boards for you.

 

 

a.DESPI-C02 (E-ink Display adapter Board)

b.DESPI-L(C02) (STM32 Demo Kit)

c.DEArduino-L(C02) (Arduino Platform Demo Kit)

 

d.ESP8266-L(C02) (ESP8266 Demo Kit)

e.ESP32-L(C02) (ESP32 Demo Kit)

 



 

 

Every day is Earth Day

 

 

You don't need to be an environmental scientist to make sustainable choices.
At Good Display, we passionately integrate sustainability into the production of e-paper.

 

 

 

 

 

 

Substitute for Paper Usage

Epaper provide a paper-like touch and reading experience, serving as a sustainable alternative to traditional paper and reducing environmental impact from deforestation and paper manufacturing.

Device Packaging
95% of this device's packaging is crafted from wood fiber-based materials sourced responsibly from managed forests or recycled sources.

Energy Efficiency
Epaper consumes minimal energy compared to conventional displays, reducing electricity bills and easing the demand on power plants, thereby lowering greenhouse gas emissions—a perfect choice for eco-conscious consumers.

 


 


 


 

ABOUT US

Thank you for your interest in our product. We could provide front light, touch screen, and other accessories for you. For more information, please refer to the relevant manual available in our Library or visit our official website at [www.good-display.com].
If you need any further assistance or have any other questions, please feel free to contact us. We sincerely invite you to send your inquiries to our email at [buyepaper@good-display.com].

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