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Comment on FloJack: Bringing NFC to iPhone/iPad (kickstarter)

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Why is it so huge? Makes it pointless in my opinion, no way I'm carrying that around. Surely this can achieved in a smaller form factor.

The FloJack bill of materials consists of only 54 parts, of which the cr2032 battery tray is the largest by far. We chose this design because these batteries are inexpensive and easy to find. Creating a more streamline form factor with a 3D printer that draws power from the iPhone bottom connector is trivial and something we're exploring. How much would you be willing to pay for it?

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