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2.13inch NFC Powered e Paper Evaluation Kit
$41.89
2.13inch 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 2.13inch e-Paper Module, with 250x122 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: 250x122
- Dot pitch: 0.194×0.194
- Refresh time: 2s
- Display color: black, white
- Viewing angle: >170°
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
Adopts Novel Passive NFC Technology
No Battery Required, No More Battery Life Trouble
2.13" NFC-Powered E-Paper
Adopts Novel Passive NFC Technology
No Battery Required, No More Battery Life Trouble
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
Suitable For Price Tags, Asset/Equipment Tags, Shelf Labels, Conference Name Tags...
| POWER SUPPLY | Wireless | GREY SCALE | 2 |
|---|---|---|---|
| DISPLAY COLOR | Black / White | REFRESH TIME | 2s (data transfer time is not included) |
| DOT PITCH | 0.194×0.194 | DISPLAY SIZE | 49.70mm×21.75mm |
| RESOLUTION | 250×122 | OUTLINE DIMENSION | 65.35mm×40.05mm |
| VIEWING ANGLE | >170° |
Outline Dimensions
