Details
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
Adopts novel passive NFC technology
No battery required, no more battery life trouble
Passive NFC solution, No Battery Required, No messy wiring, stable operation
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
This product is not compatible with Samsung smartphones
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
Refreshed by ST25R3911B NFC Board included in the Kit
Suitable for price Tags, asset/equipment Tags, shelf labels, conference name tags...
| 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° |
Weight: 0.336 kg
Quick Overview
- 7.5inch NFC-Powered e-Paper x1
- ST25R3911B NFC Board x1
- Micro SD Card 16GB x1
- Micro SD Card reader x1
- USB-A to Micro-B cable x1
