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Hello! I'm gonna show you How to make a Simple FM Transmitter that works with only an AA battery. Components: 47 pF Ceramic Capacitor x1 33 pF Ceramic ...
Here is the Circuit we're going to make.
It takes about 10-12 mins to do this.
Wrap the first Magnet Wire around a thick pen or a size AAA battery. Do the same for the second Magnet Wire, too. ...Then Solder them on PCB
Solder the battery holder wires, Antenna Wire, and the Audio Source.
Turn on a radio and set it at 89MHz FM Connect the "Audio In" of the Transmitter to your MP3 Player (or any other non-amplified things playing music). ...
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