Convert your transit card to a wearable; step 1: dissolve in acetone
June 19, 2017 2:40 PM Subscribe
Tired of carrying around your transit agency's contactless smart card? (for instance, in the San Francisco Bay Area, several transit agencies use Clipper Cards) Stephen Cognetta figured out how to convert it into a wearable by dissolving it in acetone, and has provided step-by step instructions and suggestions of different ways to wear the extracted chip.
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