A 6th Sense for Wifi Hotspots by YFA
How to DIY a passive wifi detector!
Haha… A POSSIBLE USE: HOW SMART IS YOUR FRIEND?
Stick it in an envelope (so it works and the vibration can be felt, but it can’t be seen). Then present it to a friend. Using it only in its intended manner (i.e. no opening it up allowed), how long before they figure out what it is sensing?
Anyhow. Apparently I’m not geeky enough to make this since I don’t remember anything from my microcontroller course. But maybe our DIY king Jason can =P
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