NFC E-Paper Eval Kit 7.5"

7.5" NFC-Powered E-Paper Evaluation KitComes With NFC-Powered E-Paper, NFC Reader, Micro SD Card, And Essential AccessoriesReady-To-Use

7.5" NFC-Powered E-Paper

Adopts Novel Passive NFC TechnologyNo 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

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 configurationRXD: connected to RXD2 by default, changeable to RXD1 via 0Ω resistorTXD: 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...

SpecificationsPOWER SUPPLYWirelessGREY SCALE2DISPLAY COLORBlack / WhiteREFRESH TIME5s (data transfer time is not included)DOT PITCH0.205×0.204DISPLAY SIZE163.2mm×97.92mmRESOLUTION800×480OUTLINE DIMENSION195.84mm×137.68mmVIEWING ANGLE>170°  Outline Dimensions