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)
      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)
      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)

      WS-17765
      €104.40

      87.00 € tax excl.

      4.2inch NFC-Powered e-Paper Evaluation Kit, Wireless Powering & Data Transfer (WS-17765)
      Quantity :
      OUT OF STOCK
      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

      4.2inch-NFC-e-Paper-Eval-Kit-1_960.jpg
      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

      4.2inch-NFC-Powered-e-Paper-Details-03.j
      NFC Board Introduction

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

      ST25R3911B NFC Board on board resource
      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
       
      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

      4.2inch-NFC-Powered-e-Paper-demo.gif 

      Refreshed By ST25R3911B NFC Board Included In The Kit

      ST25R3911B-NFC-Board-demo.gif
      Application Examples

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

      4.2inch-NFC-Powered-e-Paper-Details-04.j
      Specifications
      4.2inch-NFC-Powered-e-Paper-Details-05.j

      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
      4.2inch-NFC-Powered-e-Paper-size.jpgST25R3911B-NFC-Board-size.jpg
      Waveshare Electronics
      WS-17765

      Specific References

      upc
      614961957268

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

      €104.40

      87.00 € tax excl.