The DIY Covert Wireless Listening System


I created the Bug-in-a-Book project for the Spy Tech edition of Make Magazine. Now it's a fun and easy electronics kit. The kit contains all of the components to build and operate your Bug-in-a-Book and includes the following (shown in picture, below):

A - Hollow book with hole drilled in spine
B - Miniature “amplified listener”
C - Miniature wireless FM transmitter
D - Miniature FM receiver with ear buds
E - AAA battery holder
F - Red hookup wire
G - Black hookup wire
H - Heat-shrink tubing
I - Hook-and-loop fasteners
J - 1/8" stereo phone plug (male)
K - 1/8" stereo phone jack (female)
L - 10 Ohm, 1/8 Watt resistor

Also included (not shown):

• (5) AAA batteries
• Solder
• Illustrated instructions

Tools you'll need (not included):

• Soldering Iron
• Wire cutter/stripper
• Phillips head screwdriver (small)
• Marker

Reception range: 20 to 25 feet, depending on conditions.
Soldering required.
For educational use only. ;-)

Components Included in the Bug-in-a-Book Kit
Here's the finished Bug-in-a-Book project
To order, visit my shop at Etsy
These are the hollow book choices currently available.
Alice in Wonderland
Encyclopedia of Music
Jack Russell Terrier
Tom Sawyer
Baseball Greats
See me at Maker Faire!