Where to find header file for STM32L073RZT6? I'm unable to find.

[Mohsin]

How to use header file in our code?

[mƎALLEm]

Hello and welcome to the community:

There is no header file for this exact part number (RZT6) but for STM32L073xx. It's available on the CubeHAL in github:

https://github.com/STMicroelectronics/cmsis_device_l0/tree/b3b1d7b134f5408c3e75363754d44a6aa11b1db1/Include:

[Mohsin]

Thanks a lot! for answering my query.

[unsigned_char_array]

Just include main.h. That should always include the correct header.