This tutorial shows on how you can make your own spy bug that will transmit audio through a FM transmitter that will require a few parts from an electronic supply store and a fair amount of experience ...

Ever wanted to act out your childhood dreams of being a spy? Make has a guide for building your own audio bugging device, which broadcasts an extremely low powered FM signal about 160 feet. The basic ...

Lucid Science delves into spy-tech once again with this tiny FM transmitter. Their post demonstrates a bit larger version than seen above, using a 9-volt battery and protoboard sized to match which ...

Would-be spooks and spies, take note: this one-transistor FM transmitter is a circuit you might want to keep in mind for your bugging needs. True, field agents aren’t likely to need to build their own ...

Take a look at this fm spy transmitter which can be used as a bug transmitter or as diy fm bug too. It uses a single IC 74F13, one coil, a capacitor, one trimmer, one resistor and ofcourse one ...