113990817

ST25R3911B NFC Development Kit Embedded STM32 Controller with Multi NFC Protocols SKU 113990817 This is an NFC development kit based on ST25R3911B, with the STM32F103R controller, OLED display, user buttons, and common user interfaces. It is your ideal choice for learning and developing NFC applications. Key Features • • • • • • • • • • • Multi protocols support: ISO18092, ISO14443A, ISO14443B , ISO15693, FeliCa™ Differential antenna design, output power up to 1.4W, longer sensing distance Embedded low-power capacitive sensor, allows sensing and capacitive wake-up, detecting the nearby card without enabling the magnetic field of the reader STM32F103RBT6 controller, easy for learning, evaluating, or direct integration, needs no other external controller 1.3" OLED display, allows visual operation Onboard SRAM, additional space to the inner RAM Micro SD slot, supports external TF card for storing data to be transferred via NFC 4x buttons, 2x user indicators, convenient for debugging Onboard programming interface, UART debugging interface, break out all the unused IO pins for connecting other user peripherals Customized acrylic case, protective and dust-proof, better looking Comes with development resources and manual Description This is an NFC development kit based on ST25R3911B, with the STM32F103R controller, OLED display, user buttons, and common user interfaces. It is your ideal choice for learning and developing NFC applications. Multiple NFC protocols are supported by the kit, with up to 1.4w output power, and lowpower capacitive wake-up function. It suits applications that require high RF performance, flexibility, and low power consumption, such as access control, ticketing, industry, medical treatment, and so on. Specification • • • • • NFC chip: ST25R3911B Operating frequency: 13.56MHz Output power: 1.4W (max) Communication interface: SPI Protocol support: • • • • • • ISO18092 (NFCIP-1) active P2P ISO14443A, ISO14443B, and FeliCa™ ISO15693 Other customized protocols (like MIFARE™ Classic) Power supply voltage: 5V Operating voltage: 3.3V What is On the Board • 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 Example This is an example based on 4.2inch Passive NFC Powered e-Paper without Battery and 32GB SD Card for demonstrating the progress of refreshing the display content of an NFCpowered e-Paper. For the example details and code, please click here. Dimensions Part List • • ST25R3911B NFC Board x1 Acrylic case x1 ECCN/HTS HSCODE 8543709990 UPC https://www.seeedstudio.com/ST25R3911B-NFC-Development-Kit-Embedded-STM32-Controller-with-Multi-NFC-Protocols-p-4451.html/3-11-20