Albert Einstein — ‘I know not with what weapons World War III will be fought, but WorldWar IV will be fought with sticks and stones’. Learn how to build simple gadgets for post-apocalyptic world. This simple DIY project turns your Raspberry Pi into a powerful FM transmitter!
It has enough range to cover your home, DIY drive-in movie, silent disco, a high school ball game, or even a bike parade (depending on the stragglers).
NOTE: The Raspberry Pi’s broadcast frequency can range between 1Mhz and 250Mhz, which may interfere with government bands. We advise that you limit your transmissions to the standard FM band of 87.5MHz–108.0MHz (see Step 3) and always choose a frequency that’s not already in use, to avoid interference with licensed broadcasters.