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Adafruit PN532 NFC/RFID
Adafruit
Adafruit PN532 NFC/RFID breakout board supports SPI, I2C and UART interfaces. It can read MiFare cards and tags using the NFC protocol.
In stock
Specifications
2- Operating Voltage
- 3.3V (for 5V systems, a level shifter is required)
- Logic Level
- 3.3V
Pinout
10Low source legibility.The original manufacturer datasheet for this part was difficult to read, so this pinout may be incomplete or imperfect. Always confirm against the specific manufacturer’s datasheet before wiring.
| Pin | Name | Functions | Notes |
|---|---|---|---|
| SEL0 | interface_selector_0 | GPIO | Used to select interface (SPI, I2C or TTL serial) |
| SEL1 | interface_selector_1 | GPIO | Used to select interface (SPI, I2C or TTL serial) |
| SCK | spi_clock | SPI | SPI clock |
| MISO | spi_miso | SPI | SPI MISO |
| MOSI | spi_mosi | SPI | SPI MOSI |
| SSEL | spi_select | SPI | SPI chip select |
| IRQ | interrupt_request | GPIOI2C | Interrupt request for I2C mode |
| RESET | reset | GPIOI2C | Reset pin for I2C mode |
| 3.3V | voltage_3p3 | POWER | Power input for 3.3V systems |
| GND | ground | GND | Ground connection |
Interactive pinout
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