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How to Build a Spy Circuits – FM Bug Transmitters

Last Updated on February 17, 2018 by Admin 13 Comments

spy1

All the spy circuits in this article are considerably strong, difficult to find in their unseen positions, and outfitted for grasping even the weakest of whispers in the vicinity. Furthermore […]

Filed Under: Hobby Projects Tagged With: Bug, Build, Circuits, FM, Spy, Transmitters

Simple Infrared Transmitter Circuit

Last Updated on September 22, 2021 by Admin 7 Comments

infrared transmitter circuitr

The presented simple infrared transmitter circuit design can be used in the form of an infrared remote control, with a frequency modulated tone, to operate a complementing IR receiver circuit. […]

Filed Under: Infrared Tagged With: Transmitters

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