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Yep. I have 2 in my car. One puts my phone in my car mode which is loud, bright, bluetooth on, wifi off. The same one puts everything back to my home mode, which is the opposite, when I tap it again.

I travel from appointment to appointment in my work, so the other nfc silences my phone when I arrive at an appointment and turns the sound back up when I'm done.

I used NFC Task Launcher which allows you to use the switch mode, enabling one tag to turn on one profile when it's tapped and then do the opposite when it's tapped again.

I stuck the tags on my visor because they are not so visable but I can access them easily.
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