7.5inch Passive NFC-Powered e-Paper Evaluation Kit, No Battery, 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, 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
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 |
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DISPLAY COLOR |
Black / White |
REFRESH TIME |
5s (data transfer time is not included) |
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DOT PITCH |
0.205×0.204 |
DISPLAY SIZE |
163.2mm×97.92mm |
---|
RESOLUTION |
800×480 |
OUTLINE DIMENSION |
195.84mm×137.68mm |
---|
VIEWING ANGLE |
>170° |
|
|
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Outline Dimensions

Resources & Services
Weight: 0.336 kg
- 7.5inch NFC-Powered e-Paper x1
- ST25R3911B NFC Board x1
- Micro SD Card 16GB x1
- Micro SD Card reader x1
- USB-A to Micro-B cable x1
