7.5inch NFC-Powered HD e-Paper Evaluation Kit, Wireless Powering & Data Transfer

SKU: 18083
Part Number: 7.5inch NFC-Powered HD e-Paper Eval Kit
Brand: Waveshare
UPC: 614961957763


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7.5inch Passive NFC-Powered HD e-Paper Evaluation Kit, No Battery, Wireless Powering & Data Transfer
NFC e-Paper Eval Kit 7.5" HD

7.5" NFC-Powered HD e-Paper Evaluation Kit, Ready-to-Use

Including NFC-Powered e-Paper, NFC reader, Micro SD card, and essential accessories

7.5" NFC-Powered HD 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

Wireless Powering & Data Transfer

To Refresh The Display Content, Use A Smart Phone With NFC Function, Or An NFC Reader, Close To The E-Paper, It'll Be Done In A Few Seconds

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 ST25R3911B NFC Board included in the Kit

Application examples

Suitable for price Tags, asset/equipment Tags, shelf labels, conference name tags...


Power supply Wireless Grey scale 2
Display color Black / White Refresh time 5s (data transfer time is not included)
Dot pitch 0.205mm × 0.204mm Display size 163.24mm × 97.94mm
Resolution 880×528 Outline dimension 195.84mm × 137.68mm
Viewing angle >170°    
Outline dimensions

Weight: 0.29 kg

Quick Overview

  1. 7.5inch NFC-Powered HD 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
7.5inch NFC-Powered HD e-Paper Eval Kit