JamesMunns[m]: > <@jamesmunns:beeper.com> There's probably an internal temperature sensor, but you're not reading that.
> 
> And then, you'll need to read the reference manual for your chip to explain how to read that.

This uses ADC3 https://github.com/embassy-rs/embassy/blob/main/examples/stm32h7/src/bin/adc.rs#L56
and this example has a few hints on doing linear interpolation https://github.com/stm32-rs/stm32h7xx-hal/blob/master/examples/temperature.rs will look further thanks