Description
2.13inch Passive NFC-Powered e-Paper Evaluation Kit, No Battery, Wireless Powering & Data TransferNFC e-Paper Eval Kit2.13"

2.13" NFC-Powered e-Paper Evaluation Kit
Comes with NFC-Powered e-Paper, NFC reader, Micro SD card, and essential accessories
Ready-to-Use

2.13" 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

* the specific APP or NFC reader is required for refreshing the e-paper screen.

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 Smartphone, Comes With Android APP, As Easy As Swiping A Credit Card

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 supplyWirelessGrey scale2Display colorBlack / WhiteRefresh time2s(data transfer time is not included)Dot pitch0.194×0.194Display dimension65.35mm×40.05mmViewing angle>170°Outline dimensionsPhone Brand Compatibility

Note: The following list includes only some tested phone models. It does not mean the APP only supports these models. For more compatibility details, please refer to the WIKI page.

Phone BrandCompatibilityiPhone√Huawei supportedGoogleNot supported
Resources & ServicesPackage Content

Weight:0.167 kg

1. 2.13inch NFC-Powered 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