@sharptools501, what browser are you using to host the dashboards? If you use the Fully Kiosk Browser on Android/Fire devices, you can do so by adding your Fully Kiosk Browser “device” to SmartThings/Hubitat using the community developed device handler, and create a rule to navigate to different dashboard when the motion is triggered.
See this post below for the SmartThings/Hubitat Fully Kiosk Browser device handler.
And here is a quick rule example based your scenario. (Don’t forget to check the post above for fast client side navigation as well.)
