Turn your raspberryPi into FM Radio transmitter

What if i tell you that you can easily transmit FM signal from your RaspberryPi without using any extra hardware. Impressive at least huh? Well today I saw a video in OreillyMedia youtube channel explaining on how to do it. Actually you only have to download Рinstall an app and then run it. You pass the frequency and the sound file source as arguments and that it. Have a look at the video below. People say in the comments that you will get up to 50m with a 20cm antenna!

 

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