Getting Started with STM32 and Nucleo Part 1: Introduction to STM32CubeIDE and Blinky – Digi-Key

Why people recommend it

The opening of Digi-Key's STM32 series, widely suggested as a gentle route into the chips for newcomers, including those stepping up from Arduino, using code generated by CubeIDE.

Watch for: Relies on generated code, not register-level work