4.2inch NFC-Powered e-Paper Evaluation Kit, Wireless Powering & Data Transfer (WS-17765)

4.2inch NFC-Powered e-Paper Evaluation Kit, Wireless Powering & Data Transfer (WS-17765)

Name: 4.2inch NFC-Powered e-Paper Evaluation Kit, Wireless Powering & Data Transfer (WS-17765)
Brand: Waveshare Electronics
SKU: WS-17765
Price: 100.23 EUR
Availability: BackOrder

Reference WS-17765

€100.23

81.49 € tax excl.

Description
Product Details

4.2inch NFC-Powered e-Paper Evaluation Kit, Wireless Powering & Data Transfer (WS-17765)

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 Technology
No Battery Required, No More Battery Life Trouble

4.2inch-NFC-Powered-e-Paper-Details-01.j

Wireless NFC-Powered Display Refreshing

Passive NFC Solution, No Battery Required, No Messy Wiring, Stable Operation

4.2inch-NFC-Powered-e-Paper-Details-02.j

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

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NFC Board Introduction

ST25R3911B NFC Chip, STM32F103R Controller,
OLED Display, User Buttons, And Common Used Interfaces

STM32F103RBT6
- Core: ARM® 32-bit Cortex™-M3
- Operating Frequency: 72MHz
- Operating Voltage: 2.0V-3.6V
- Package: LQFP64
- Memories: 128kB Flash, 20kB SRAM
- Communication Interfaces: 2 x SPI, 3 x USART, 2 x I2C, 1 x CAN, 1 x USB
- AD & DA Converters: 2 x AD (12-bit, shares 16 channels)
ST25R3911B: NFC chip, aka AS3911B
23LC1024: SRAM, 1Mbit
CP2102: USB TO UART converter, for debugging
SPX3819: 3.3V voltage regulator

1.3" OLED: blue display, 128×64 pixels, SH1106 driver
4x user buttons:
2x user indicators
MCU unused pins
USB TO UART port
Micro SD slot
SWD programming interface
NFC induction coil
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

Application Examples

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

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Specifications

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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°