What are the ways I can detect which side of a card is touching a pad?
I was thinking, is it possible to putting one piece of metal on one side and two on the other...
Is this doable?
What are the ways I can detect which side of a card is touching a pad?
I was thinking, is it possible to putting one piece of metal on one side and two on the other...
Is this doable?
Have you considered RFID, to identify which card? Then color or dark/light to tell which side?
Have you considered RFID, to identify which card? Then color or dark/light to tell which side?