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

Item number: WS17765

GTIN: 4060137112591

SKU: 17765

Country of origin: CN

TARIC-Code: 8548903000

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

Category: RFID/NFC


66,61 €

including 19% VAT.,

Available now!

Shipping time: 1 - 3 workdays



Description

Overview

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
  • 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

NFC Board Introduction

ST25R3911B NFC chip, STM32F103R controller, OLED display, user buttons, and common used interfaces

  1. 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)
  2. ST25R3911B: NFC chip, aka AS3911B
  3. 23LC1024: SRAM, 1Mbit
  4. CP2102: USB TO UART converter, for debugging
  5. SPX3819: 3.3V voltage regulator
  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 0? resistor TXD: connected to TXD2 by default, changeable to TXD1 via 0? resistor

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°

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

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