Laird BL5340 is a dual-core module with Nordic nRF5340 combining Bluetooth 5.3, Thread, Zigbee, and Wi-Fi on a certified module with castellated edges for direct PCB soldering in industrial IoT products.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | VDD | 3.3V supply | PWR |
| 2 | GND | Ground | GND |
| 3 | GPIO0 | General purpose I/O | I/O |
| 4 | SDA | I2C data | BUS |
| 5 | SCL | I2C clock | BUS |
| 6 | TXD | UART transmit | BUS |
| 7 | RXD | UART receive | BUS |
| 8 | SPI_CLK | SPI clock | BUS |
| 9 | SPI_MOSI | SPI MOSI | BUS |
| 10 | SPI_MISO | SPI MISO | BUS |
| 11 | ANT | Antenna or u.FL | BUS |