Arduino RFID Card Door Lock System

These are the RFID readers I used. http://www.parallax.com/product/32390 Taking a snack brake while prototyping. πŸ™‚ I think this code works, but I can’t seem to find the last version I made. AND YES I KNOW THE CODE IS REDUNDANT, I was just trying to make it work, I didn’t care how pretty it was. #include …

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