Links:

NUCLEO-STM32WB55 board:
https://os.mbed.com/platforms/ST-Nucleo-WB55RG/

SX1272 arduino comp. shield:
https://www.mouser.fr/new/semtech/semtech-sx1272-mbed-shield/

Pinout summary:
DIO 0 -> PC6
DIO 1 -> PA10
DIO 2 -> PC10
DIO 3 -> PA15

SCLK -> PA5
MISO -> PA6
MOSI -> PA7
NSS  -> PA4

RESET -> PC0

Software:

LoRaWAN for STM32
Version 2.0
https://www.st.com/en/embedded-software/i-cube-lrwan.html

STM32CubeWB MCU Firmware Package
Version 1.11
https://github.com/STMicroelectronics/STM32CubeWB

Datasheet:
SX1272:
    SX1272_DS_V4.pdf
    Source : https://semtech.my.salesforce.com/sfc/p/#E0000000JelG/a/440000001NCE/v_VBhk1IolDgxwwnOpcS_vTFxPfSEPQbuneK3mWsXlU

Application note:
    https://www.st.com/resource/en/application_note/dm00598033-building-wireless-applications-with-stm32wb-series-microcontrollers-stmicroelectronics.pdf
