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Flight activated LED's

Discussion in 'LEDs and Optoelectronics' started by saam12, Nov 18, 2010.

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  1. saam12

    saam12

    3
    0
    Nov 10, 2010
    hello i need someone to help me how to design acircuit
    the project is to build a circuit with 3 leds nd the idea is when the glider
    start to fly the light turn on and when it land swithced off

    someone told me to use LDR

    any one can help me with many thanks
     
  2. barathbushan

    barathbushan

    223
    0
    Sep 26, 2009
    toy glider wirh led's mounted on it ??
     
  3. saam12

    saam12

    3
    0
    Nov 10, 2010
    saam

    the glider will fly 8 meter
     
  4. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

    25,418
    2,788
    Jan 21, 2010
    It all depends on the size of the glider.

    You could detect load on the wing and use that to turn on the lights, or perhaps have some flap held closed by aerodynamic forces (that will not be there when the glider is stopped)

    Presuming the glider lands right way up, you could mount an LDR under it to detect when it goes dark (but then the lights would only work in the day). Also presuming it lands right side up, you could have a panel on the bottom of the glider that detects the weight of the glider (via a microswitch) -- kind of like a weight-on-wheels switch in large aircraft.
     
  5. barathbushan

    barathbushan

    223
    0
    Sep 26, 2009
    i really dont know about any sensors which can detect flying

    but if i were you , i would use a mike at the front , so that some sort of noise at the front of the glider when flying, may trigger the led circit
     
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