: Sound-activated and motion-activated camera triggers.
is a DIY project book by Brad Graham and Kathy McGowan , published by McGraw-Hill TAB . It provides step-by-step instructions for building functional espionage tools—such as night vision viewers, hidden cameras, and phone voice changers—using inexpensive, easily obtainable electronic components. Core Features & Content
: Portable alarm systems and camera flash tasers. Product Information 101 Spy Gadgets for the Evil Genius - Amazon.in 101 Spy Gadgets for the Evil Genius
: Aimed at hobbyists and "evil geniuses" ranging from beginners to intermediate electronics enthusiasts.
: Each project includes a complete parts list, required tools, numerous illustrations, and assembly instructions. : Sound-activated and motion-activated camera triggers
: Most projects can be constructed for roughly $30 or less .
: Phone number decoders, "spammer jammers," and voice changers. Core Features & Content : Portable alarm systems
: Infrared light converters, LED illuminators, and night vision viewers.