Building a super spy bug FM transmitter tutorial

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Building a super spy bug FM transmitter tutorial, a minimal homemade FM transmitter Bug using a single transistor and with a transmission range of 200 meters. This FM transmitter Bug is easy to build. The size of the circuit board is ONLY 22 mm x 10 mm.

To make the PCB, using the toner transfer method and Ferric Chloride.

Building A Super Spy Bug Fm Transmitter Tutorial Transistor  2N3904
Building A Super Spy Bug Fm Transmitter Tutorial Transistor 2N3904
Building A Super Spy Bug Fm Transmitter Tutorial Transistor  2N3904 Circuit Diagram
Building A Super Spy Bug Fm Transmitter Tutorial Transistor 2N3904 Circuit Diagram

Schematic

Building A Super Spy Bug Fm Transmitter Tutorial Transistor  2N3904 Pcb
Building A Super Spy Bug Fm Transmitter Tutorial Transistor 2N3904 Pcb

PCB

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Parts used Building a super spy bug FM transmitter video tutorial

Homemade PCB
2n3904 transistor
4.7p ceramic capacitor
1n ceramic capacitor
22n ceramic capacitor
1 – 5p to 30p air trimmer
360R resistor
4.7K resistor
10 mm Mic
35 cm antenna
Battery Plug
Some solder
19 mm heat shrink

thanks for talkingelectronics.com

Buy FM Diy kits in Aliexpress with worldwide free shipping

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About the author
Xtronic.org blog author. Electronics technician for the technical school of Brasilia - Brazil. Interested in electronics, circuits and technology in general.
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