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  1. P

    Relay or similar between 5v dc - 240v ac.

    Wired is fine. Oh okay I couldn't find them but then again my knowledge of electronics shops is none... and in my defence google didn't offer any 5v relays! Solid state relay? and opto-isolated triacs? Which would be the best/easiest/cheapest etc circuitry?
  2. P

    Relay or similar between 5v dc - 240v ac.

    I am getting quite confused at the moment. I am a complete novice (so dumb down your wording please!) I wish to switch a 240v ac light (standard uk) with the output of a USB from my tv or pc. Hence when tv on, light on. I have been googling and cannot find any 5v relays that can handle...
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