guys, I used odoo 11 and 13 community. now I want to use POS module, but in my case I want to use pos box to connecting all my device.

Do you know what is the version of pos box that suitable for odoo 11 and 13?

and in my odoo 11 and 13 there is no internet of things module, so i can not connect my raspberry to my server. do you guys know where is the link to download internet of things module? because i cann't found it in the internet.

thanks for your help. :)