Product Description

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

NFC E-Paper Eval Kit 7.5"

7.5" NFC-Powered E-Paper Evaluation Kit

Comes With NFC-Powered E-Paper, NFC Reader, Micro SD Card, And Essential Accessories

Ready-To-Use

7.5" 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

NFC Board Introduction

ST25R3911B NFC Chip, AT32F413RBT7 Controller,

OLED Display, User Buttons, And Common Used Interfaces

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

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 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...

Specifications

POWER SUPPLY: Wireless

GREY SCALE: 2

DISPLAY COLOR: Black / White

REFRESH TIME: 5s (data transfer time is not included)

DOT PITCH: 0.205×0.204

DISPLAY SIZE: 163.2mm×97.92mm

RESOLUTION: 800×480

OUTLINE DIMENSION: 195.84mm×137.68mm

VIEWING ANGLE: >170°


Outline Dimensions 

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