This video explains what frequency modulation (FM) is and shows a simple low powered FM radio transmitter circuit you can build. It has a range of about 20 meters.
Check out my webpage for more videos about electronics! http://www.afrotechmods.com
PCB: http://www.oshpark.com/shared_projects/WcqBnpXg Design files: http://www.afrotechmods.com/FMTransmitter.zip

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