Spark Gap and Coherer Meet Beagle Bone
Getting back to basics is a great way to teach yourself about a technology. We see it all the time with computers built from NAND gates or even discrete transistors. It’s the same for radio – stripping it back to the 19th century can really let you own the technology. But if an old-school wireless setup still needs a 21st-century twist to light your fire, try this spark gap transmitter and coherer receiver with a Beagle Bone Morse decoder.
At its heart, a spark gap transmitter is just a broadband RF noise generator, and as such is pretty illegal to …read more
