* Initial doco write-up. * Update docs/platformdev_selecting_arm_mcu.md Co-authored-by: James Young <18669334+noroadsleft@users.noreply.github.com> * Apply suggestions from code review Co-authored-by: Ryan <fauxpark@gmail.com> Co-authored-by: James Young <18669334+noroadsleft@users.noreply.github.com> Co-authored-by: Ryan <fauxpark@gmail.com>