Of course, the simple frontend results in the input range being from -3.3 V to 3.3 V, but as you could guess, this is exactly the kind of project where you could tweak the resistors and even ...

[Wassim’s] interest in STM32 was spurred by the Blue Pill board ... on an ST-provided code generator called CubeMX to start projects. That’s handy because it lets you select I/O devices ...