7.5inch Passive NFC-Powered HD E-Paper Evaluation Kit, No Battery, Wireless Powering & Data Transfer
NFC E-Paper Eval Kit 7.5" HD
7.5" NFC-Powered HD E-Paper Evaluation Kit, Ready-To-Use
Including NFC-Powered e-Paper, NFC reader, Micro SD card, and essential accessories
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7.5" NFC-Powered HD E-Paper
Adopts Novel Passive NFC Technology
No Battery Required, No More Battery Life Trouble
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Wireless NFC-Powered Display Refreshing
Passive NFC Solution, No Battery Required, No Messy Wiring, Stable Operation
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How It Works
Wireless Powering & Data Transfer
To Refresh The Display Content, Use A Smart Phone With NFC Function, Or An NFC Reader, Close To The E-Paper, It'll Be Done In A Few Seconds
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NFC Board Introduction
ST25R3911B NFC Chip, STM32F103R Controller,
OLED Display, User Buttons, And Common Used Interfaces
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- 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
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Application Examples
Suitable For Price Tags, Asset/Equipment Tags, Shelf Labels, Conference Name Tags...
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Specifications
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| POWER SUPPLY | Wireless | GREY SCALE | 2 |
|---|---|---|---|
| DISPLAY COLOR | Black / White | REFRESH TIME | 5s (data transfer time is not included) |
| DOT PITCH | 0.205mm × 0.204mm | DISPLAY SIZE | 163.24mm × 97.94mm |
| RESOLUTION | 880×528 | OUTLINE DIMENSION | 195.84mm × 137.68mm |
| VIEWING ANGLE | >170° |
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WARNING
