``` //FIXME: No POSIX support on Zephyr for usleep ``` https://github.com/jaimeib/Practica-PID-ZephyrRTOS/blob/a56d68ad57394a9abd18662dfd780a21dd40b834/Practica/src/internal_temp.c#L88 https://github.com/jaimeib/Practica-PID-ZephyrRTOS/blob/a56d68ad57394a9abd18662dfd780a21dd40b834/Practica/src/light_sensor.c#L87