Difference between revisions of "4.2inch NFC-Powered e-Paper"
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{{Infobox item | {{Infobox item | ||
− | |name=4.2inch | + | |name=4.2inch NFC-Powered e-Paper |
− | + | |img=[[File:4.2inch-NFC-Powered-e-Paper-1.jpg|300px|link=https://www.waveshare.com/4.2inch-nfc-powered-e-paper.htm]] | |
− | |img=[[File:4.2inch-e-Paper-1.jpg|300px|link=https://www.waveshare.com/4.2inch- | + | |caption=400x300, 4.2inch E-Ink display NFC-Powered e-Paper |
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− | |caption=400x300, 4.2inch E-Ink display | ||
− | |||
|category=[[:Category:OLEDs / LCDs|OLEDs / LCDs]], [[:Category:LCD|LCD]] | |category=[[:Category:OLEDs / LCDs|OLEDs / LCDs]], [[:Category:LCD|LCD]] | ||
|brand=Waveshare | |brand=Waveshare | ||
|{{#urlget:amazon|default}}=display | |{{#urlget:amazon|default}}=display | ||
− | |website_cn=[http://www.waveshare.net/ | + | |website_cn=[http://www.waveshare.net/ 官方中文站点] |
− | |website_en=[ | + | |website_en=[https://www.waveshare.com/4.2inch-nfc-powered-e-paper.htm Waveshare website] |
|interface1=SPI | |interface1=SPI | ||
|related= | |related= | ||
− | + | ||
}} | }} | ||
==Instruction== | ==Instruction== |
Revision as of 03:51, 2 December 2019
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Instruction
This is an NFC-powered 4.2inch e-Paper Module, with 400x300 resolution. Users can transmit data from smart phone or NFC reader to e-Papre and refresh by NFC.
Features
- No backlight required, e-Paper keep displaying the last content for a long time without power
- No power adapter requried
- You can modify the display content by smart phone
- Compe with ABS case
- App is provided
Specification
- Power: NFC-powered
- Resolution: 400x300
- Dot pitch: 0x212x 0x212
- Refresh time: 4s
- Display color: black, white
- Viewing angle: >170°
- Outline dimension: 105.0mm x 94.1mm, 9.90mm
- Display dimension: 84.8mm x 63.6mm
User guide
You can download the app from #Resources and install it to your phone, note that the app can only supports Android 4.0(Ice Cream Sandwich) and above.
- Click the picture button on the bottome to choose picture. You can choose the picture from DCIM or you take a picture by camera.
- You can cut the picture after choosing, resize it and rotate. For best effect. we recommend you to pre-adjust the picture according to the resolution of e-Paper.
- In the main page, you can select the process effect ( None Effect, Gray Effect, Block Effect, Sketch Effect and Neon Effect)
- In the main page, you can clock the Adjust symbol on the left-bottom to adjust the brightness and contrast. You can also touch the "+" symbol on the right-bottom to adjust picture.
- After setting, close the NFC area of you phone to backside of 4.2inch NFC-Powered e-Paper to update it.
【Note】Make sure that you have open NFC function of your phone, and do not move phone when transmitting and updating.
- Other functions
- You can also draw the picture. Click the "..." symbol on right-top , choose Gallery, touch one picture to enter drawing mode.
Resources
Support
Support
If you require technical support, please go to the Support page and open a ticket.