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Mac Gray Laundry Card
I've got a little time off and what better to do then hack something. My apartment building recently got new pay by card washers and driers. There is a machine in the lobby where you can put your credit or debit card in and you will receive a smart card a chosen prepaid amount on it. You use the card over and over again by refilling it with however much you want on it. If you loose your card then you have to buy another one and loose the amount on the card which leads me to believe that the amount is held on the card and not the machines. My thought now is how can i see what information is on the card and where the amount is held and if I could duplicate the card to reuse again without paying for laundry.again. I bought a smart card reader but I am looking for help as to how to go from there?
I attached a photo of the front and back of the card for reference.
Update: There are no ethernet cables running from the units. Just power and water.