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Topic: Connect rfid reader to arduino (Read 256 times) previous topic - next topic


I want to make a project. Rfid reader connect to arduino. There is 4 lamp in panel.. rfid have anique code. If rfid 1 punch in rfid reader lamp number 1 is light, if rfid 2 punch in rfid reader lamp number 2 is light. And so on


Sure, that doesn't sound too hard.


It is more like this. Using relay. But how can arduino detect rfid each for relay..
Can give me a small code.
 I will try my best to expand it to my desire project..
I dont know where to start. I have all this thing. But i want to connect fingerprint like zkteco that can store punch rfid..
And every time rfid punch the card. How can arduino know which one relay may on..

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