4.2" Passive NFC Powered E-Ink Display - eucaiot Store
4.2" Passive NFC Powered E-Ink Display - eucaiot Store
4.2" Passive NFC Powered E-Ink Display - eucaiot Store

Seeed Studio

4.2" Passive NFC Powered E-Ink Display

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SKU: 104990625

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There is a screen, powered without battery or cable. How it displays the images? You may think it is impossible. But with the help of NFC and e-Paper technology, this kind of screen has realized an uncharged screen.

If you have a smartphone that has the NFC function, you can use your phone to control this screen and transmit images to it. Then the screen will remain the image for weeks without power until you transmit another image.

4.2inch NFC-Powered E-Paper

Adopts Novel Passive NFC Technology. No Battery Required, No More Battery Life Trouble.4.2inch-Passive-NFC-Powered-e-Paper-No-Battery/raw/master/4.2inch-NFC-Powered-e-Paper-Details-01

Wireless NFC-Powered Display Refreshing

No Messy Wiring, Stable Operation, Fast Refreshing4.2inch-NFC-Powered-e-Paper-Details-02

How It Works

To Refresh The Display Content,
Use A Smart Phone With NFC Function, Or An NFC Reader,
Close To The E-Paper For Both Wireless Powering And Data Transfer4.2inch-NFC-Powered-e-Paper-Details-03

Feel The Magic

Comes With Android APP, As Easy As Swiping A Credit Carddemo

Applications

Suitable For Price Tags, Asset/Equipment Tags, Shelf Labels, and Conference Name Tags...

4.2inch-NFC-Powered-e-Paper-Details-04

Specifications

Parameters  Unit
Power Supply Wireless
Display Color Black / White
Dot Pitch 0.212×0.212
Resolution 400×300
Viewing Angle >170°
Greyscale 2

Refresh Time

*w/out data transfer time

4s

Supported Smart Phones

Most Android Phones With NFC Function Are Supported,
Some Tested And Confirmed Devices Are Listed Below (Include But Not Limited To)

Brand  Smart Phone Model
Google PIXEL 3/3XL, PIXEL 2/2XL, PIXEL 1
HTC U12+, U11, U11 EYEs, U11, U Ultra, Desire 10 pro, ONE A9S
Huawei MATE 10, MATE 20, MATE 20 Pro, P20, P30, Honor 10
LG V40, V30+, V30, G7, G7+, G6
MI MI 8, MIX3, MIX 2S, MIX1/2, IM6, NOTE3, NOTE 2
Motorola Z3, Z2, Z
OnePlus OnePlus 5/5T/6/6T
Samsung NOTE 9, NOTE 8, S9/S9+, A8S
Sony Xperia XZ3, Xperia XZ1

Dimensions

dimension

Documentation

4.2" How To Wiki