7 Comments

  1. March 29, 2012 at 2:54 pm

    coolclikker

    hi tell me the ratng of LDR ????

    Reply
    1. March 29, 2012 at 8:15 pm

      Sagar

      the rating of LDR is given here: http://uk.farnell.com/lprs/n5ac501085/light-dependent-resistor/dp/7482280
      Actually, you can use any kind of LDR. this circuit works for any kind of ldr. best of luck.

      Reply
  2. November 2, 2012 at 1:34 pm

    Chase09

    Can any1 please briefly explain the workin of the curcuit

    Reply
  3. February 9, 2013 at 3:24 pm

    sudhanshu vishnoi

    can i use 9v battery with same setup? please help!

    Reply
    1. February 10, 2013 at 11:34 am

      Sagar Sapkota

      YES. Please read others comments also.

      Reply
  4. March 13, 2013 at 9:47 am

    ashraf

    hi.can u explain what is the different between LDR and Dark Sensor.it is same??

    Reply
  5. October 31, 2013 at 9:23 am

    kumar

    I want the reverse operation ie. Led ON if LDR is closed/dark … how to make it work with 5v supply …?

    Reply

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