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How to Find Hidden Cameras and Spy Gear | Hacker News
Doesn't mention the good old Nonlinear Junction Detector. (NLJD) [1] or The Broom as they call it. It can find any unshielded device containing semiconductors, no matter if the device is powered or not - which is pretty cool. It is possible to build one yourself which is even cooler. Although I have to say, while it is a WW II era device, DIY building is not a beginners project. The British documentary "The Spying Game - Walls Have Ears" has a good interview with its inventor that even includes a demo of the device by him in his wonderful old school lab[2].
spy  camera  locator 
8 weeks ago by dano

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