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mobile phone

Discussion in 'Beginner Electronics' started by William Norman, Sep 27, 2003.

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  1. How can i wire a relay to a mobile phone .so that when i dial the the phones
    number it switch the relay ? .I could wire the relay to the ilumination in
    the phone . Has anybody got any ideas ? .
    Thanks Billy .
  2. UncleWobbly

    UncleWobbly Guest

    Setting off a nuke somewhere? :eek:)

    depending on what you want to do, you could just pick up off the ringer
    (sounder) or the LED lighting circuit in the phone. Drive the LED in an
    opto-coupler from the same circuit - this will feed very nicely into
    anything you want. - just pray you don't get a TXT while setting up :eek:))))
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