The guide walks us through writing up a minimal firmware program from boot vector ... For even more on the subject, you may like our STM32 Bootcamp series on bare-metal STM32 programming.

ClockworkPi has made several Linux handheld terminals over the years such as the GameShell or DevTerm, but the PicoCalc Kit ...

Once the components are chosen and the board designed, [Andy] goes into detail explaining the firmware he wrote for the STM32 to translate the PCM samples from the microphone’s I²S interface ...