SKU:WSAL17765

Kurzbeschreibung: 4.2inch Passive NFC-Powered e-Paper Evaluation Kit, No Battery, Wireless Powering & Data Transfer

4.2inch Passive NFC-Powered e-Paper Evaluation Kit, No Battery, Wireless Powering & Data Transfer

NFC e-Paper Eval Kit 4.2"

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

4.2" NFC-Powered e-Paper

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 smartphone, comes with Android APP, as easy as swiping a credit card

Refreshed by ST25R3911B NFC Board included in the Kit

* NFC smartphones or the ST25R3911B NFC Board are not included, please purchase separately

Application examples

Suitable for price Tags, asset/equipment Tags, shelf labels, conference name tags...

Specifications

Power supply	Wireless	Grey scale	2
Display color	Black / White	Refresh time	4s (data transfer time is not included)
Dot pitch	0.212×0.212	Display size	84.8mm×63.6mm
Resolution	400×300	Outline dimension	105.1mm×94.1mm
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/4.2inch_NFC-Powered_e-Paper

NFC Powered e-Paper Selection

Model	Display color	Resolution	Display size (mm)	Outline dimension (mm)	Refresh time	Phone APP	case
1.54inch NFC-Powered e-Paper (BW)	Red / Black / White	200 × 200	27.00 × 27.00	47.84 × 41.28	8s	√	√
1.54inch NFC-Powered e-Paper (G)	Red / Yellow / Black / White	200 × 200	27.00 × 27.00	47.84 × 41.28	15s	√	√
2.13inch NFC-Powered e-Paper	Black / White	250 × 122	23.70 × 48.55	65.35 × 40.05	2s	√	√
2.13inch NFC-Powered e-Paper (G)	Red / Yellow / Black / White	250 × 122	23.70 × 48.55	65.35 × 40.05	16s	√	√
2.7inch NFC-Powered e-Paper Module	Black / White	264 × 176	57.29 × 38.19	84.50 × 47.50	6s	√	×
2.9inch NFC-Powered e-Paper	Black / White	296 × 128	66.89 × 29.05	87.50 × 47.70	2s	√	√
4.2inch NFC-Powered e-Paper	Black / White	400 × 300	84.80 × 63.60	105.00 × 94.10	4s	√	√

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. 4.2inch NFC-Powered e-Paper 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

• Verkäufer:

  WaveShare

• Tags: Brand_waveshare,  Cat_communication,  Cat_display,  Cat_iot,  Compat_raspberry_pi,  Platform_raspberry_pi,  Sub_2_66_5,  Sub_epaper,  Sub_nfc,  Sub_rf,  Sub_short_range_wireless