7RADIO INVASION
THE RASPBERRY PI NEVER CEASES TO AMAZE ME. WITH JUST A SINGLE JUMPER WIRE, YOU CAN CONVERT THE RASPBERRY PI INTO A RADIO TRANSMITTER. THAT’S RIGHT: YOU CAN USE IT TO BROADCAST MESSAGES TO A REAL RADIO.
In this chapter’s project, you’ll create a simple soundboard to trigger and control broadcasts to the radio. You’ll record sounds or phrases, such as “Listen up, everybody” or “I want a cookie,” or create an emergency broadcast message. Then you’ll assign each sound file to its own button, which you’ll click to broadcast your message to any radios tuned in to the correct frequency. By hijacking radio waves, you’ll be able to prank unsuspecting listeners, share important gossip, or create a personal announcement system.
Radio waves ...
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