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Pcb light detector

Discussion in 'LEDs and Optoelectronics' started by Chris13, Nov 18, 2014.

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  1. Chris13


    Sep 16, 2014

    Is there such a device as a PCB mounted (any type) device which allows current to flow when it detects light?

    What I would like to do is have an LED light up when a voltage is applied, this then shines on a sensor which allows current to flow. The sensor then stops flowing when the LED is off.

    What I have found so far is RS642-4424 but I'm not 100% sure this is the right device.

  2. Supercap2F


    Mar 22, 2014
    How about something like this? You can adjust the light level it triggers at too. I can't find anything on the "RS642-4424" can you give a link?
    Arouse1973 and hevans1944 like this.
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