SKU:WSAL17766

Kurzbeschreibung: 7.5inch Passive NFC-Powered e-Paper V2 Evaluation Kit, No Battery, Wireless Powering & Data Transfer

7.5inch Passive NFC-Powered e-Paper V2 Evaluation Kit, No Battery, Wireless Powering & Data Transfer

NFC e-Paper Eval Kit 7.5"

7.5" NFC-Powered e-Paper Evaluation Kit Comes with NFC-Powered e-Paper, NFC reader, Micro SD card, and essential accessories Ready-to-Use

7.5" NFC-Powered e-Paper V2

Adopts novel passive NFC technologyNo battery required, no more battery life trouble

Wireless NFC-Powered Display Refreshing

Passive NFC solution, No Battery Required, No messy wiring, stable operation

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

* the specific APP or NFC reader is required for refreshing the e-paper screen.

NFC Board Introduction

ST25R3911B NFC chip, STM32F103RCT6 controller, OLED display, user buttons, and common used interfaces

Chip Overview

1. STM32F103RCT6controller chip
2. ST25R3911B NFC chip
3. 23LC1024 SRAM, 1MB
4. CP2102 USB TO UART converter, for debugging
5. SPX3819 3.3V voltage regulator

Other Interfaces

6. 1.3" OLED blue display, 128×64 pixels, SH1106 driver
7. 4x user buttons
8. 2x user indicators
9. MCU unused pins
10. USB TO UART port
11. Micro SD slot
12. SWD programming interface
13. NFC induction coil
14. UART pin configuration RXD: connected to RXD2 by default, changeable to RXD1 via 0Ω resistor TXD: connected to TXD2 by default, changeable to TXD1 via 0Ω resistor

Refreshing Example

Refreshed by ST25R3911B NFC Board included in the Kit

This product requires higher NFC power for refreshing due to its large size, therefore, it is better to use the ST25R3911B NFC Board solution. If a smart phone is used for refreshing, please make sure it has enough NFC output power, otherwise it may not be working.

Specifications

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

Phone Brand Compatibility

Note: The following list includes only some tested phone models. It does not mean the APP only supports these models. For more compatibility details, please refer to the WIKI page.

Phone Brand	Compatibility
iPhone	√
Huawei (Android)	√
Honor	√
VIVO	√
Xiaomi	√
Redmi	√
OPPO	√
Samsung	Not supported
Google	Not supported

Resources & Services

Wiki:www.waveshare.com/wiki/7.5inch_NFC-Powered_e-Paper

NFC Sensing Position Reference

• 1.54inch NFC-Powerede-Paper
• 2.13inch NFC-Powerede-Paper
• 2.7inch NFC-Powerede-Paper
• 2.9inch NFC-Powerede-Paper
• 4.2inch NFC-Powerede-Paper
• 7.5inch NFC-Powerede-Paper

Lieferumfang

1. 7.5inch NFC-Powered e-Paper V2 x1
2. ST25R3911B NFC Board x1
3. Micro SD Card 16GB x1
4. Micro SD Card reader x1
5. USB-A to Micro-B cable x1

• Vendor:

  WaveShare

• Tags: Brand_waveshare,  Cat_communication,  Cat_display,  Cat_iot,  Compat_raspberry_pi,  Platform_raspberry_pi,  Sub_5_65_13_3,  Sub_epaper,  Sub_nfc,  Sub_rf,  Sub_short_range_wireless