Help with firmata and arduino

so trying to get the firmata integration to work, the sensors all work when i plug my arduino into a windows pc and run firmatatest, but i cant seem to get home assistant to recognize it. any on have experience with this im running the newest beta
[6:57 PM]
here what i have in my config

At first glance I would say check serial_port entry. Also, you are using features which are only present in the development version of Home Assistant Core.