LED light receiver

Discussion in 'LEDs and Optoelectronics' started by colum, Oct 10, 2018.

  1. colum

    colum

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    I have a robotic arm that aims a Red LED at a dart board and works very well.
    I need a Diode that receives this light .
    is there a circuit or Diode that I can use to activate a visible LED to indicate a bullseye
    Thank you for reading this .....Jeff

    Thanks Steve for teaching me how to hook up a string of LEDs
     
    colum, Oct 10, 2018
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  2. colum

    HellasTechn

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    Are you sure there is a LED on the arm ? I beleave you can have far better acuraccy and distance with a laser diode and an ldr.
     
    Last edited by a moderator: Oct 11, 2018
    HellasTechn, Oct 10, 2018
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  3. colum

    colum

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    Thanks Constatine I meant to say I was using a red Laser...colum
     
    colum, Oct 11, 2018
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  4. colum

    Harald Kapp Moderator Moderator

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    An LDR light sensor module can be used here.
     
    Harald Kapp, Oct 11, 2018
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  5. colum

    colum

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    Thanks Harold I Googled it and its exactly what I needed.....Jeff
     
    colum, Oct 11, 2018
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