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Card triggered playmat

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Posted · Original PosterOP

If I wanted to make a playing card triggered rgb playmat what tech should I start looking into. Magnets, nfc? Basically the goal is to get lights to turn on or off based on if a card is in a specific spot. 

hey... that's pretty good.

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How many cards? Do you need to differentiate them or just detect when card is present/absent?



If you need to differentiate them, then NFC tag and NFC reader would be a start.

If you don't care about which card is placed, just is it placed or not, then for detection you can use magnets and reed switches, light dependent resistor, proximity detector or a simple emitter and receiver LED.


Try explaining your project a bit more and you will probably get more details, maybe even links to similar existing projects.


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