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For Dummies » 443 Pages » PDF » 12.74 MB
These projects are fun to build and fun to use
Make lights dance to music, play with radio remote control, or build your own metal detector
Who says the Science Fair has to end? If you love building gadgets, this book belongs on your radar. Here are complete directions for building ten cool creations that involve light, sound, or vibrations -- a weird microphone, remote control gizmos, talking toys, and more, with full parts and tools lists, safety guidelines, and wiring schematics.
Discover how to :
» Handle electronic components safely
» Read a circuit diagram
» Troubleshoot circuits with a multimeter
» Build light-activated gadgets
» Set up a motion detector
» Transform electromagnetic waves into sound
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