Waveshare NFC Development Kit ST25R3911B Writing Device

The ST25R3911B NFC Development Kit is based on the ST25R3911B and features an AT32F413RCT7 controller, an OLED display, user buttons, and common interfaces. It is ideal for learning and developing NFC applications. The kit supports multiple NFC protocols, offers an output power of up to 1.4W and a power-saving capacitive wakeup feature. It is suitable for applications that require high RF power, flexibility, and low power consumption, such as access control, ticket sales, industry, medical treatment, consumer goods, NFC-powered displays, etc.

Recommended Accessories:

• 256MB microSD Card
• 1m Micro USB Cable Black
  
• 4.2 inch Passive NFC-operated e-Ink / e-Paper Display
• 7.5inch passive NFC-operated e-Ink / e-Paper Display

Features:

• Supports multiple protocols: ISO18092, ISO14443A, ISO14443B, ISO15693, FeliCa™
• Differential antenna design, output power up to 1.4W, longer detection distance
• Built-in power-saving capacitive sensor, enables detection and capacitive wake up, recognizes the nearby card without activating the reader's magnetic field
• AT32F413RCT7 controller, easy to learn, evaluate or integrate directly, requires no other external controller
• 1.3" OLED display for visual operation
• Onboard SRAM, additional memory space to internal RAM
• Micro SD slot, supports external TF card for data storage for transmission via NFC
• 4x buttons, 2x user indicators, convenient for debugging
• Onboard programming interface, UART debugging interface, all unused IO pins are brought out for connecting other user peripheral devices
• Customized acrylic case, protective and dustproof, appealing appearance

Documentation:

• Waveshare Wiki

Connections and Features NFC Development:

1. AT32F413RCT7
• Operating frequency: 200MHz
• Operating voltage: 2.0V-3.6V
• Package: LQFP64
• Memory: 256kB Flash, 160kB SRAM
• Communication interfaces: 2 x SPI, 5 x USART, 2 x I2C, 2 x CAN, 1 x USB, 1x SDIO
• AD & DA Converter: 2 x AD (12-bit, shares 16 channels)
2. ST25R3911B: NFC chip, aka AS3911B
3. 23LC1024: SRAM, 1Mbit
4. CP2102: USB TO UART converter, for debugging
5. SPX3819: 3.3V voltage regulator
6. 1.3" OLED: blue display, 128×64 pixels, SH1106 driver
7. 4x user buttons
8. 2x user indicators
9. MCU unused pins
10. USB TO UART port
11. Micro SD slot
12. SWD programming interface
13. NFC induction coil
14. 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

Technical Details:

• Manufacturer: Waveshare
• Manufacturer SKU: 17623
• Microcontroller: AT32F413RCT7
• NFC Chip: ST25R3911B
• Operating frequency: 13.56MHz
• Output power: 1.4W (max.)
• Communication interface: SPI
• Supports protocols:
• ISO18092 (NFCIP-1) active P2P
• ISO14443A, ISO14443B and FeliCa™
• ISO15693
• Other customized protocols (such as MIFARE™ Classic)
• Supply voltage: 5V
• Operating voltage: 3.3V
• Dimension: 107 x 66 x 18mm
• Weight: 95.5g

Delivery contents:

• 1x Waveshare NFC Development Kit ST25R3911B Writer (including case)