October 2015
Beginner
160 pages
4h 39m
English
Content preview from Make: Easy 1+2+3 Projects
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Magnetic Switches from Everyday Things
By Cy Tymony ■ Illustrations by Mark Frauenfelder
You will need
Magnet
Paper clip
Aluminum foil
Tape or foam
Cardboard
Wire
LED or buzzer
3V watch battery or equivalent
Ring optional
Battery-operated toy optional
X-10 universal interface optional
Appliance module optional
Control many devices from afar with the magnetically sensitive Sneaky Switch.
1. Make a magnetic activator.
You’ll want a strong magnet to activate devices from at least an inch away. Tiny rare earth magnets can be found in most micro radio-controlled cars, and in the packaging of some hearing aid batteries. Glue a magnet to the ...