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  3. Dimmabe LED Actuator

Dimmabe LED Actuator

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  • D Offline
    D Offline
    Drcashman
    wrote on last edited by
    #1

    Has anyone successfully extended the dimmable LED Actuator sample sketch to more than one LED?

    I have been trying to convert my old 1.3 sketch to 1.4 or extend the new example to more than one led but I have not got it to work.

    Btw been using this since I first saw it on Mi casa verde and love it!

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    • N Offline
      N Offline
      Nuubi
      wrote on last edited by
      #2

      Hi, on to-do-list here, too..
      Please check this thread http://forum.mysensors.org/topic/115/implementing-multiple-sensors/27 'wannabee' shares a link to his RGB+RFID code!

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      • K Offline
        K Offline
        korttoma
        Hero Member
        wrote on last edited by korttoma
        #3

        Maybe this can give you an idea (note: I'm using static RADIO_ID) :

        https://codebender.cc/sketch:44740

        • Tomas
        D 1 Reply Last reply
        1
        • K korttoma

          Maybe this can give you an idea (note: I'm using static RADIO_ID) :

          https://codebender.cc/sketch:44740

          D Offline
          D Offline
          Drcashman
          wrote on last edited by
          #4

          @korttoma Thanks works great!

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          • J Offline
            J Offline
            jribera
            wrote on last edited by
            #5

            Thanks for the sketch. One thing i noticed with my setup is that when set to 100 percent my led strip is noticeably not as bright, compared to when connected directly to the 12V power supply.

            Any suggestions ? I'm using IRL540 N-Channel Mosfets.

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            • M Offline
              M Offline
              Mrlynx
              Hardware Contributor
              wrote on last edited by Mrlynx
              #6

              A mosfet will allways add a voltagedrop and it is depending on current and its ON-resistance.
              For my PWM-dimmer have I used http://www.irf.com/product-info/datasheets/data/irlz44n.pdf when prototyping.
              Now I have a PCB on its way from hong-kong and on that I will use http://www.irf.com/product-info/datasheets/data/irlr2905pbf.pdf
              On my 12V ledstrips will I probably use a 16-18V supply and never run them on 100% dutycycle.

              http://www.sa2avr.se

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              • J Offline
                J Offline
                jribera
                wrote on last edited by
                #7

                I didn't think the voltage drop would make enough of a difference to notice, but i guess it does. I might have to research and look for a more efficient Mosfet.

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