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, STM32F103RCT6 controller,
OLED display, user buttons, and common used interfaces
Chip Overview
- STM32F103RCT6
controller chip - ST25R3911B
NFC chip - 23LC1024
SRAM, 1MB - CP2102
USB TO UART converter, for debugging - SPX3819
3.3V voltage regulator
Other Interfaces
- 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
