Description
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
- STM32F103R Controller
- OLED Display
- User Buttons
- And Common Used Interfaces
- STM32F103RBT6
- Core: ARM® 32-bit Cortex™-M3
- Operating Frequency: 72MHz
- Operating Voltage: 2.0V-3.6V
- Package: LQFP64
- Memories: 128kB Flash, 20kB SRAM
- Communication Interfaces: 2 x SPI, 3 x USART, 2 x I2C, 1 x CAN, 1 x USB
- 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
Outline Dimensions
E-PAPER SUPPORT
7.5inch NFC-Powered e-Paper
2.9inch NFC-Powered e-Paper
2.13inch NFC-Powered e-Paper
Wiki: www.waveshare.com/wiki/ST25R3911B_NFC_Board
Package Content
- ST25R3911B NFC Board x1
- Micro SD Card 16GB x1
- Micro SD Card reader x1
- USB-A to Micro-B cable x1
FAQs:
Q: What NFC protocols are supported by the ST25R3911B NFC Evaluation Kit?
A: The evaluation kit supports ISO 14443 A/B, ISO15693, ISO18092 (NFC Forum Type 4 Tag and Type 5 Tag), NFC Forum Tag Type 2, and FeliCa.
Q: What are the key components of the evaluation kit?
A: The key components include the ST25R3911B NFC reader/writer chip, ARM Cortex-M4F MCU, OLED display, user buttons, Arduino Uno compatible headers, ST morpho headers, and common interfaces like UART, SPI, I2C, and GPIO.
Q: Does the evaluation kit come with any software or development resources?
A: Waveshare provides example code and a PC software for reading/writing NFC tags, which can help users get started with development.
Q: What power supply options are available for the evaluation kit?
A: The evaluation kit can be powered through the USB Type-C port or through an external 5V power supply connected to the DC jack.
Q: What applications can the ST25R3911B NFC Evaluation Kit be used for?
A: The evaluation kit is suitable for a wide range of applications, including electronic shelf labels, industrial automation, asset tracking, access control, contactless payment systems, and more.
