- Description
Details
ST25R3911B NFC Evaluation Kit, NFC Reader, Ideal for Refreshing Passive NFC-Powered e-Papers
ST25R3911B NFC Eval Kit
ST25R3911B NFC Evaluation Kit for NFC-Related learning / developing
Ideal choice for Waveshare Passive NFC-Powered e-Papers
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
Refreshing Example
Refreshing passive NFC-Powered e-Paper by using ST25R3911B NFC Board
Specifications
| NFC chip | ST25R3911B |
|---|---|
| Operating frequency | 13.56MHz |
| Output power | 1.4W (max) |
| Communication interface | SPI |
| Power supply voltage69 | 5V |
| Operating voltage | 3.3V |
| Protocol support | ISO18092 (NFCIP-1) active P2P ISO14443A, ISO14443B, and FeliCa™ ISO15693 Other customized protocols (like MIFARE™ Classic) |
| e-paper support | 7.5inch NFC-Powered e-Paper 4.2inch NFC-Powered e-Paper 2.9inch NFC-Powered e-Paper 2.13inch NFC-Powered e-Paper |
Outline dimensions
Weight: 0.143 kg
Quick Overview
- ST25R3911B NFC Board x1
- Micro SD Card 16GB x1
- Micro SD Card reader x1
- USB-A to Micro-B cable x1
