Recently, I’ve started working on a new project. It will take some time before the goal of the project is even worth mentioning. The important part is that it is an electronics/hardware project and it needs an energy efficient computing unit. For early development I chose an ARM Cortex M3 STM32F3 microcontroller. More precisely STM32F303K8T6, mostly because I have a Nucleo board, with this chip, laying around. It’s also a good time to try a new framework. Choices worth considering: