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Weekend Projects - Covert Listening Book

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Published on Nov 15, 2012

Complete instructions for this episode of Weekend Projects can be found at
http://makeprojects.com/Project/Cover...

Connect an amplified listener with an in-car FM transmitter, and you've got a wireless bug. Place the circuit in a hollowed-out book with the microphone concealed by the dust cover, and you've got a super-sneaky covert listening device! Tune in via a FM radio receiver set to the correct frequency, and you'll be able to hear through walls.

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Top Comments

  • Dawn Kage

    Dawn Kage 6 months ago

    Lol! Minecraft sheep sounds...

    · 43

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  • Arne Larsen

    Arne Larsen 6 months ago

    why not use a baby monitor.??

    · 31

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  • TercooPerago

    TercooPerago 6 months ago

    Brilliant!!!  :)

    ·

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