4.2inch NFC-Powered e-Paper Evaluation Kit, Wireless Powering & Data Transfer
2.66″ - 4.37″, NFC / RF

4.2inch NFC-Powered e-Paper Evaluation Kit, Wireless Powering & Data Transfer

SKU:17765
Part No.:4.2inch NFC e-Paper Eval Kit
Brand:Waveshare

$74.99
PriceQuantity
1~9
$73.9910~49
$73.4950~99
$73.29100+
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Details

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

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

This product is not compatible with Samsung smartphones


NFC Board Introduction

ST25R3911B NFC chip, AT32F413RBT7 controller,
OLED display, user buttons, and common used interfaces

ST25R3911B NFC Board on board resource
  1. AT32F413RBT7
    • Core: ARM® 32-bit Cortex™-M4F
    • Operating Frequency: 200MHz
    • Operating Voltage: 2.0V-3.6V
    • Package: LQFP64
    • Memories: 128kB Flash, 32kB SRAM
    • Communication Interfaces: 2 x SPI, 5 x USART, 2 x I2C, 2 x CAN, 1 x USB, 1x SDIO
    • AD & DA Converters: 2 x AD (12-bit, shares 16 channels)
  2. ST25R3911B: NFC chip, aka AS3911B
  3. 23LC1024: SRAM, 1Mbit
  4. CP2102: USB TO UART converter, for debugging
  5. SPX3819: 3.3V voltage regulator
  1. 1.3" OLED: blue display, 128×64 pixels, SH1106 driver
  2. 4x user buttons:
  3. 2x user indicators
  4. MCU unused pins
  5. USB TO UART port
  6. Micro SD slot
  7. SWD programming interface
  8. NFC induction coil
  9. 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...

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

Weight: 0.222 kg

Quick Overview

  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