How can I send the status of devices to Arduino?

I’m working on a model train layout and I have a house that looks like my house. I want to be able to use an Arduino that finds the status of certain light switches on my smartthings hub and light up a small LED in the window of the model on the train layout. If there was an easy way for an Arduino to just see the status the rest would be simple.

There’s a driver that allows to send GET/POST requests to the local network: [ST Edge] Web Requestor: a driver to issue local POST and GET HTTP requests

You could create some routines to send requests to a server in the arduino depending on the state of the lights.

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