Page 135 - 15 Dangerously Mad Projects for the Evil Genius

114 15 Dangerously Mad Projects for the Evil Genius

Figure 9-12 FM transmitter reduced to basics

Step 7. Wire Everything Together

Referring back to Figure 9-4, wire up the project
so we can test it before fitting it into a project box.
Solder the red lead of the battery clip to the
stripboard, and then solder the black negative lead
from the battery clip to the negative connection on
the stripboard.
Next, attach the power leads of the FM
transmitter to the stripboard and finally the audio
input of the transmitter to the stripboard. The
shielding of the audio lead does not need
connecting as it will already be connected to
ground. Both the left and right audio wires inside
Figure 9-13 The bug assembled
the shielding should be connected together before
attaching them to the stripboard (Figure 9-13).
Using the Bug

Step 8. Test the Bug Unlike you, the reader, the Evil Genius has no
qualms about listening to other people’s
Attach the battery and set the FM transmitter to an
conversations. He will conceal his bug in a small
unused frequency. Place it near the TV or another
box—perhaps a pack of cards—and retire to
sound source, and retire to a neighboring room
another room with his transistor radio and a flask
with a portable FM radio tuned to the same
of warm milk. His minions have learned that their
frequency.
master likes to operate in this fashion, and so they
You should be able to hear the sound coming always say nice things about him. This pleases the
from the bug. Evil Genius.