Arduino-Based Blue Box (Phone Phreaking)

History and Story In the 1950s, 1960s, 1970s, 1980s and even up into the 1990s phone phreaking was an amazingly cool way to explore an unknown world of phone switching networks. To "phreak" a telephone switch, can be done by using frequencies, or tones to manipulate the switching hardware. In doing so, taking control of the hardware was simple and gave the "phone phreak" the power of an inward-operator. Blu ...

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