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circuit for laser activated device

Discussion in 'LEDs and Optoelectronics' started by fazil abdulla, Feb 16, 2011.

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  1. fazil abdulla

    fazil abdulla

    Feb 13, 2011
    i need a circuit for a switch, that can be controlled by a laser light, even in the presence of background bright light. have any idea?
  2. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

    Jan 21, 2010
    Someone has asked a very similar question here
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