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
