Yeah normally open relays with standard switches wired in parallel. | Hacker News

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jasoncchild on Oct 23, 2016 | parent | context | favorite | on: How we built a Smart Office system based on Raspbe...

Yeah normally open relays with standard switches wired in parallel.

janci on Oct 23, 2016 [–]

Just don't connect one phase to the relay and different phase to the switch.

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