7.5inch NFC-Powered e-Paper Evaluation Kit, 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, 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 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
DISPLAY COLOR: Black / White
REFRESH TIME: 5s (data transfer time is not included)
DOT PITCH: 0.205×0.204
DISPLAY SIZE: 163.2mm×97.92mm
RESOLUTION: 800×480
OUTLINE DIMENSION: 195.84mm×137.68mm
VIEWING ANGLE: >170°
Outline Dimensions
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