+ Post New Thread
Results 1 to 3 of 3
  1. #1
    Newbie level 1
    Points: 146, Level: 1

    Join Date
    Mar 2012
    Posts
    1
    Helped
    0 / 0
    Points
    146
    Level
    1

    Modify 12 LED Desk Lamp

    Hello,

    I couldn't find a bright enough 5v Motion Sensor Led Lamp in the market but found this on ebay.

    http://www.ebay.com.au/itm/270825903063 ... 7934wt_905

    As this is my first time, how would I modify that by adding this - - - http://www.ebay.com.au/itm/280823808811 ... 405wt_1163

    I don't have the items yet - I just ordered it.

    Thanks - I hope someone can help me.

    •   Alt2nd March 2012, 23:03

      advertising

        
       

  2. #2
    Advanced Member level 3
    Points: 4,828, Level: 16
    papunblg's Avatar
    Join Date
    Oct 2010
    Location
    Kolkata India
    Posts
    726
    Helped
    172 / 172
    Points
    4,828
    Level
    16
    Blog Entries
    9

    Re: Modify 12 LED Desk Lamp

    Welcome to edaboard!
    See How to interface PIR modules with PIC microcontrollers http://www.edaboard.com/entry1436.html
    for code, circuit, picture

    ---------- Post added at 12:45 ---------- Previous post was at 12:39 ----------

    if you dont know how to use a microcontroller ---good news., In the given link there is a circuit diagram to test a PIR module(without using a micro). You can modify that circuit.

    ---------- Post added at 12:47 ---------- Previous post was at 12:45 ----------

    Quote Originally Posted by masonic1032 View Post
    Hello,

    I couldn't find a bright enough 5v Motion Sensor Led Lamp in the market but found this on ebay.

    http://www.ebay.com.au/itm/270825903063 ... 7934wt_905
    Picture of the product not available

    ---------- Post added at 12:48 ---------- Previous post was at 12:47 ----------


    http://www.scary-terry.com/itw/pirsensor/pirsensor.htm
    Rajsekhar Nag
    -------------..--------
    Knowledge Grows When Shared



    •   Alt3rd March 2012, 08:18

      advertising

        
       

  3. #3
    Advanced Member level 5
    Points: 37,620, Level: 47
    mister_rf's Avatar
    Join Date
    Feb 2008
    Location
    Romania
    Posts
    1,874
    Helped
    1046 / 1046
    Points
    37,620
    Level
    47

    Re: Modify 12 LED Desk Lamp

    Another idea no relay involved, you may use some transistors in between PIR sensor and the LEDs. Pay attention to the PIR sensor pinout.
    See for example here:
    http://www.electrobob.com/fun-with-leds/




--[[ ]]--