ST25R3911B NFC Evaluation Kit, NFC Reader + TF Card + USB Cable

Artikelnummer: 11170

Delivery Time: ab Lager

Verfügbarkeit: Sofort-Versand ab Lager

CHF 31.90

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Wiki ST25R3911B NFC Board

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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

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

Wiki: www.waveshare.com/wiki/ST25R3911B_NFC_Board

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