A PCB business card with a batteryless LED, powered by the phone that taps it
I made a circuit-board business card that opens my website and lights an LED with power harvested from the phone tapping it.
Summary
A circuit-board business card that not only directs users to a website but also lights up an LED by harvesting power from the phone that taps it is a unique blend of technology and networking. Learn how this innovative design works and the potential it has for modern business interactions.
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