The ST-BL072Z-LRWAN developer board is one of ST's long line of popular developer boards. This board is one of their LoRa connectivity offerings.
Here you will find one or more sample PlatformIO embedded projects designed to transmit LoRaWAN packets using an ST-BL072Z-LRWAN1.
For a complete guide to getting started with PlatformIO and the STM32L0 Discovery kit line of developer boards refer to the Helium documentation set at https://docs.helium.com/network-iot/devices/development/stmicroelectronics/st-b-l072z-lrwan1.
The following products are required.