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The idea here is you can have more screens (like a tpms or obd data and other car related stuff) on the infotainment side by adding an extra application screen with a page that has an embedded iframe widget. The "widget" could be from a webserver homepage outside the infotainment which in this case could be inside an OBD2 dongle with an embedded webserver. Simply connect the infotainment to the OBD dongle's wifi acting as a hotspot, and allow it to retrieve and display the OBD dongle's homepage on an iframe which in this case could be a MENU of links/buttons to more webpages on the OBD's webserver.

The OBD2 webserver can retrieve webpages data on an SD card attached to it. This means if you wish to add more pages to the display, simply upload them on the SD card

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