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4.2 inch red e-paper display color electronic paper screen module GDEH042Z21

color 4.2 inch e-paper display with 400x300 resolution, 24 pins FPC, SPI interface, supports black, white and red. It's IC is UC8276. The I2C signal master interface to read built-in temperature sensor.
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  • 规格:
    With adapter board
    With demo kit
(150 available)
  • Description
  • Size Chart
  • Measurement
  • Color Chart
  • Reviews

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General Description

This is a color 4.2 inch e-paper display with 400x300 resolution, 24 pins FPC connection, optional FPC connector, communicating via
SPI interface, with embedded controller(COG package) and on-chip stored waveform,  supports black, white and red. It's IC is UC8276.
The I2C signal master interface to read built-in temperature sensor.
In view of so many advantages: ultra low power consumption, near 180 degree view angle, readable under sunlight, GDEH042Z21 is a
very good choice for applications like shelf label, smart tags, smart home application, industrial instrument, smart cards and other related products.
Note: All of 3-color epaper doesn't support partial refresh.

The above price inclundes
1)Color 4.2 inch e-ink display*1pc
2)FPC Connector *1pc
After order our sales will contact you soon and send the documentation & source code.          
· Three colors, black, white and red
· 400x300 resolution
· The I2C signal master interface to read built-in temperature sensor.
· Comes with helpful development resources and manual (STM32 platform )
· Development platform available 
STM32 Arduino Raspberry Pi / ESP8266

We have two types of 4.2 inch red e-paper:  GDEH042Z21 and GDEH042Z96. The main differences between the twos are:
1, the shape of FPC is different

2, Different IC Driver
The IC of the 
GDEH042Z96 is SSD1619, and the IC of GDEH042Z21 is UC8276.

Main Parameters



Type Dot Matrix
IC UC8276



Outline Size(mm)


Active Size(mm)


Pixel Pitch(mm)


Operating Temp.


Storage Temp.


Connector 24 Pin FPC, Pitch:0.5mm
Color Black,White,Red
Interface SPI
Time of refresh(s) 15
Standby power consumption Pc(mW) 8.91
Power consumption of the refresh(mW) 0.56
Power Supply(V) 3.3

Specification download


Related Products

Part Number




    Refresh Time




Partial refresh, 4 Grayscale





Three colors





Three colors

GDEH042Z96 B/W/R 400x300 Three colors 16S
GDEH042Z21 B/W/R 400x300 Three colors 15S

Payment and Shipmen
1)We accept credit cards, T/T bank transfer,paypal, Moneybookers and debit cards.
2)We cannot arrange shipments on weekend or public holidays.
3)Your orders will be shipped out within 48 working hours on receipt of cleared payment. (Excludes Saturdays & Sundays)
4) We'll add a tracking number after sending the item so that you can track your parcel.
5)Please be advised that the international delivery time highly depends on your local customs and post services policy.
6)Customs fees and import duties for exports are your responsibility.
We cannot predict or prepay these fees. We will charge you for any duties or customs fees erroneously charged to us.
1)We'll leave POSITIVE FEEDBACK on receipt of cleared payment.
2)If you're satisfied with the item and our service, please leave POSITIVE FEEDBACK, it's important to us.
3)Once any problems occured, please contact us first. We'll try our best to work things out.
About Us
Please feel free to contact us for any questions, on trademanager, or send message to me. It's our pleasure to serve you!
We appreciate your business!!
my email is:

Please be aware that due to your computer monitor display the color may have some difference between the picture and the physical item

Please according to you to buy the dress fabric, select the corresponding fabric color chart

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