@startuml

cloud "Internet" as inet

node "Internet Router" as inet_r

node "KNX-IoT Hub" as br

node "Devboard 1" as router
node "Devboard 2" as router2

node "Computer" as computer

inet -[#blue,thickness=4]- inet_r
inet_r -[#blue,thickness=4]- br : Ethernet
br -[#blue,dashed,thickness=4]- computer: WiFi Hotspot
br -[#orange,dashed,thickness=4]- router : Thread Link
router -[#orange,dashed,thickness=4] router2
br -[#orange,dashed,thickness=4]- router2

@enduml