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2.13inch NFC Powered e Paper Evaluation Kit


Date:2020-07-08 14:46
In Stock

2.13inch Passive NFC-Powered E-Paper Evaluation Kit, No Battery, Wireless Powering & Data Transfer

ST25R3911B NFC Development Kit, NFC Reader, STM32F103 Controller, Multi NFC Protocols


This is an NFC-powered 2.13inch e-Paper Module, with 250x122 resolution. Users can transmit data from smartphone or NFC reader to e-Paper and refresh by NFC.


  • No backlight required, e-Paper keep displaying the last content for a long time without power
  • No power adapter required
  • You can modify the display content by smartphone
  • Compe with ABS case
  • App is provided


  • Power: NFC-powered
  • Resolution: 250x122
  • Dot pitch: 0.194×0.194
  • Refresh time: 2s
  • Display color: black, white
  • Viewing angle: >170°

NFC E-Paper Eval Kit

2.13" NFC-Powered E-Paper Evaluation Kit
Comes With NFC-Powered E-Paper, NFC Reader, Micro SD Card, And Essential Accessories

2.13" NFC-Powered E-Paper

Adopts Novel Passive NFC Technology
No Battery Required, No More Battery Life Trouble

2.13" NFC-Powered E-Paper
Adopts Novel Passive NFC Technology
No Battery Required, No More Battery Life Trouble

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
  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
Application Examples

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


DISPLAY COLORBlack / WhiteREFRESH TIME2s (data transfer time is not included)
DOT PITCH0.194×0.194DISPLAY SIZE49.70mm×21.75mm

Outline Dimensions