Programming Basics: A website for teaching people how to program

NFC and Transit Card Keychains Videos

These are demonstration videos for the meant to accompany the technical presentation on NFC technology. The videos illustrate certain physics phenomena that are used in NFC.

0. Demonstration of NFC tags

Demonstrates how an NFC tag can interact with a cellphone.

1. Magnets

Demonstrates how a magnet attracts metal paperclips.

2. Electromagnets

Demonstrates how electricity flowing through a wire coil creates an electromagnet.

3. Magnetic Induction

Demonstrates how moving a magnet near a wire coil creates electricity.

4. Wireless Power

Demonstrates how an electromagnet can be combined with magnetic induction to transfer power wirelessly.

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