Beschreibung
7.5" NFC-Powered e-Paper
Adopts novel passive NFC technologyNo battery required, no more battery life trouble
![](https://www.welectron.com/mediafiles/productimg/waveshare/devkit/LCD/7.5inch-NFC-Powered-e-Paper/7.5inch-NFC-Powered-e-Paper-Details-01.jpg)
Wireless NFC-Powered Display Refreshing
Passive NFC solution, No Battery Required, No messy wiring, stable operation
![](https://www.welectron.com/mediafiles/productimg/waveshare/devkit/LCD/7.5inch-NFC-Powered-e-Paper/7.5inch-NFC-Powered-e-Paper-Details-02.jpg)
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 transfer
![](https://www.welectron.com/mediafiles/productimg/waveshare/devkit/LCD/7.5inch-NFC-Powered-e-Paper/7.5inch-NFC-Powered-e-Paper-Details-03.jpg)
Refreshing Example
Refreshed by ST25R3911B NFC Board
![](https://www.welectron.com/mediafiles/productimg/waveshare/devkit/LCD/7.5inch-NFC-Powered-e-Paper/7.5inch-NFC-Powered-e-Paper-Details-08.jpg)
This product requires higher NFC power for refreshing due to its large size, therefore, it is better to use the ST25R3911B NFC Board solution. Recommended evaluation kit: 7.5inch NFC e-Paper Eval Kit. If a smart phone is used for refreshing, please make sure it has enough NFC output power, otherwise it may be not working.
Application examples
Suitable for price Tags, asset/equipment Tags, shelf labels, conference name tags...
![](https://www.welectron.com/mediafiles/productimg/waveshare/devkit/LCD/7.5inch-NFC-Powered-e-Paper/7.5inch-NFC-Powered-e-Paper-Details-04.jpg)
Specifications
![](https://www.welectron.com/mediafiles/productimg/waveshare/devkit/LCD/7.5inch-NFC-Powered-e-Paper/7.5inch-NFC-Powered-e-Paper-Details-05.jpg)
Power supply | Wireless | Grey scale | 2 |
---|---|---|---|
Display color | Black / White | Refresh time | 5s (data transfer time is not included) |
Dot pitch | 0.205×0.204 | Display size | 163.2mm×97.92mm |
Resolution | 800×480 | Outline dimension | 195.84mm×137.68mm |
Viewing angle | >170° |
Outline dimensions
![](https://www.welectron.com/mediafiles/productimg/waveshare/devkit/LCD/7.5inch-NFC-Powered-e-Paper/7.5inch-NFC-Powered-e-Paper-size.jpg)
Package Contents
- 7.5inch NFC-Powered e-Paper x1
![7.5inch NFC-Powered e-Paper](https://www.welectron.com/mediafiles/productimg/waveshare/devkit/LCD/7.5inch-NFC-Powered-e-Paper/7.5inch-NFC-Powered-e-Paper-3_800.jpg)
Versandgewicht: | 0,29 Kg |