What protocol used existing AC wiring to link devices starting in 1978?
Answer
X10 protocol
The foundation for whole-home digital control systems, often termed the precursor to the 'smart house' concept, emerged in 1978 with the introduction of a specific communication protocol. This system, known as the X10 protocol, ingeniously utilized the existing alternating current (AC) electrical wiring already present in a home to facilitate linking and communication between various devices. This infrastructure development predated widespread Wi-Fi and established an early method for internal device collaboration before the maturation of external internet ecosystems.
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