@startuml hide footbox skinparam BoxPadding 0 skinparam BoundaryBorderColor Black skinparam ParticipantBorderColor Black actor User participant OS participant "Sensor Driver" #FFFF99 participant "Sensor Service" #FFFF99 participant "Product Server" loop User -> OS: perform activity OS -> "Sensor Driver": trigger kernel callbacks "Sensor Driver" -> "Sensor Driver": produce events "Sensor Service" -> "Sensor Driver": pull events "Sensor Service" -> "Product Server": push events end @enduml Submit Switch layout       View as PNG  View as SVG  View as ASCII Art