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7.5inch NFC-Powered e-Paper Evaluation Kit

$98.89

Part Number:7.5inch NFC-Powered HD e-Paper Eval Kit
Brand:Spotpear
SKU:200128

Date:2020/07/08 16:18




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

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

 

Instruction

This is an NFC-powered 7.5inch e-Paper Module, with 880x528 resolution. Users can transmit data from smartphone or NFC reader to e-Paper and refresh by NFC.

Features

  • 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

Specification

  • Power: NFC-powered
  • Resolution: 880x520
  • Dot pitch: 0.205 × 0.204
  • Refresh time: 5s
  • Display color: black, white
  • Viewing angle: >170°


NFC E-Paper Eval Kit

7.5inch NFC-Powered HD e-Paper Kit
Comes With NFC-Powered E-Paper, NFC Reader, Micro SD Card, And Essential Accessories
Ready-To-Use

7.5inch 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

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...

Specifications



POWER SUPPLYWirelessGREY SCALE2
DISPLAY COLORBlack / WhiteREFRESH TIME5s (data transfer time is not included)
DOT PITCH0.205mm × 0.204mm
DISPLAY SIZE163.24mm × 97.94mm
RESOLUTION880×528
OUTLINE DIMENSION195.84mm × 137.68mm
VIEWING ANGLE>170° 

Outline Dimensions