Posts Tagged ‘smart card’

What’s Inside Your Clipper Card – Mapping the Hidden RFID-Style Chip With a $3 Chinese Flashlight

Saturday, September 25th, 2010

Get up to speed on the mystery of the Clipper / TransLink buspass card right here.

Now, there’s no need for an X-ray machine, just put an LED flashlight underneath your card so you can see all its architecture tout de suite.

Here’s my setup, just to make taking a photo more easier:

Click to expand

Oh, here it is, a little rectangle with metal leads stretching out from each corner:

Now, what’s stopping you from cutting off the top three-quarters of your card to be the first kid on your block to have the tiniest of Clipper Cards? Well, there very well might be a perimeter antenna in there, that’s what. Your “contactless smart card” chip might very well be very sensitive to antenna length and alignment.

But you could probably cut out about half the plastic to leave a gaping hole in your card. It should still function.

If you wanted to.

Next step: Acetone bath. You’ll soon be free little contactless smart card chip!

P.S. MUNI sux.

P.P.S. The Central Subway sux as well. Can’t we just stop and then give the money back?