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What DO you think This Does Guys A trip wire, or a

  • falslyremoved27 Monday, June 11, 2012 4:07 AM Reply
    What DO you think This Does Guys A trip wire, or a distance sensor?
    they dong give much in the description.
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  • rodonrails Monday, June 11, 2012 4:18 AM Reply
    If it's a distance sensor it could also be used as a tripwire, so I'm hoping for distance sensor
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  • BrownMuffin Monday, June 11, 2012 5:18 AM Reply
    I guess it is just a laser diode on a board for easy prototyping, but i'm not sure.

    Package list says: "1 x Laser module" and "wavelength: 650nm"
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  • Prepperandflash Monday, June 11, 2012 5:29 AM Reply
    It's just a laser. No sensor or distance measuring.
    404: Signature not found
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  • agabeh Monday, June 11, 2012 3:27 PM Reply
    These kind of laser diode use to have a photodiode integrated. Probably the third pin access this photodiode. Using a mirror to reflect back the beam, it´s possible to made a pass/fence sensor or something like this...
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  • DrJones Saturday, June 16, 2012 2:17 AM Reply
    No, I think it's a very simple one, no active driving circuit, no feedback photodiode, just a 10k resistor for power control. You'd need an additional light sensor for this one.
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  • matej92 Sunday, July 1, 2012 7:32 AM Reply
    There is no sensor, it is just a <5mW laser. It is the same as connecting a 5mW red laser like sku. 10091 directly to a digital pin and ground.
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  • AndrewWD Monday, July 16, 2012 6:20 PM Reply
    Has anyone received this module and managed to get it working?

    I have received the module and believe it’s faulty but another user (andabato) ordered four and could not get any to work. Check this post. http://club.dx.com/forums/forums.dx/threadid.1200900

    And a photo of the module:
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