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

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