code

https://github.com/thekakester/Arduino-LoRa-Sx1262

/* Wiring requirements (for default shield pinout)
# +-----------------+-------------+------------+
# | Description     | Arduino Pin | Sx1262 Pin |
# +-----------------+-------------+------------+
# | Power (3v3)     | 3v3         | 3v3        |
# | GND             | GND         | GND        |
# | Radio Reset     | A0          | SX_NRESET  |
# | Busy (optional) | D3          | BUSY       |
# | Radio Interrupt | D5          | DIO1       |
# | SPI SCK         | 13          | SCK        |
# | SPI MOSI        | D11         | MOSI       |
# | SPI MISO        | D12         | MISO       |
# | SPI CS          | D7          | NSS        |
# +-----------------+----------+------------+
*/

TX

ref