NFC E-Paper Eval Kit 4.2"
4.2" NFC-Powered E-Paper Evaluation Kit
Comes With NFC-Powered E-Paper, NFC Reader, Micro SD Card, And Essential Accessories, Ready-To-Use
4.2" 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
-
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)
- 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
Features:
- Rounded Metal Border, Nice Looking, Stunning Quality
- Passive NFC Solution, No Battery Required, No Messy Wiring
- Wireless Powering & Data Transfer
- Features Corner Hang Hole, Ideal For Handbag Decoration, Key Fob, Etc.
- Suitable For Smartphone / Key Fob, Contact Card QR Code, Hanging Ornament...
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
Specifications
- Power Supply: Wireless
- Grey Scale: 2
- Display Color: Black / White
- Refresh Time: 4s (data transfer time is not included)
- Dot Pitch: 0.212×0.212
- Display Size: 84.8mm×63.6mm
- Resolution: 400×300
- Outline Dimension: 105.1mm×94.1mm
- Viewing Angle >170°
Package Contains: 1x Waveshare 4.2inch NFC-Powered e-Paper Evaluation Kit
Outline Dimensions
Development resources:
Wiki: www.waveshare.com/wiki/4.2inch_NFC-Powered_e-Paper
