4.2inch NFC Powered e Paper Evaluation Kit

4.2inch NFC Powered e Paper Evaluation Kit

$61.89

Brand：Spotpear

SKU：0201138

Date：2020-07-08 16:06

Part Number：

4.2inch-NFC-e-Paper-Eval-Kit

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4.2inch Passive NFC-Powered 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 4.2inch e-Paper Module, with 400x300 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 requried
You can modify the display content by smartphone
Compe with ABS case
App is provided

Specification

Power: NFC-powered
Resolution: 400x300
Dot pitch: 0x212x 0x212
Refresh time: 4s
Display color: black, white
Viewing angle: >170°
Outline dimension: 105.0mm x 94.1mm, 9.90mm
Display dimension: 84.8mm x 63.6mm

NFC E-Paper Eval Kit

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

4.2" 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, STM32F103R Controller,
OLED Display, User Buttons, And Common Used Interfaces

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)
ST25R3911B: NFC chip, aka AS3911B
23LC1024: SRAM, 1Mbit
CP2102: USB TO UART converter, for debugging
SPX3819: 3.3V voltage regulator

1.3" OLED: blue display, 128×64 pixels, SH1106 driver
4x user buttons:
2x user indicators
MCU unused pins
USB TO UART port
Micro SD slot
SWD programming interface
NFC induction coil
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 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°