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Bypassing Christmas Light Controller

Discussion in 'New Members Say Hello' started by Peter Aberdeen, Mar 10, 2018.

  1. Peter Aberdeen

    Peter Aberdeen New Elf

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    Christmas Lights Controller.jpg [​IMG]
    Hello from Aberdeen. I was wondering if someone could advise me how to bypass the light controller shown in the attached photo. (To keep the Dobbies 2m x 2m LED Net lights from flashing and just have them on constantly). Searched this website but could not find a similar controller).
     
    Last edited: Mar 12, 2018
  2. David_AVD

    David_AVD Bite my shiny metal ass! Community Project Designer Generous Elf

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    No image. :)
     
  3. OP
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    Peter Aberdeen

    Peter Aberdeen New Elf

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    Thanks David. Hopefully my second attempt at posting an image is successful. Peter.
     
  4. David_AVD

    David_AVD Bite my shiny metal ass! Community Project Designer Generous Elf

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    Hi Peter. That is a "2-wire" controller and can't be bypassed as such.

    In theory you could run it from an AC power supply and it would stay on, but it will be flickery.

    At present the only option is a 2-wire controller, but that would be controlled by a computer, not just steady on.

    I have thought of making a little PCB to give the steady on effect, but you'd still need another DC power supply.
     
  5. David_AVD

    David_AVD Bite my shiny metal ass! Community Project Designer Generous Elf

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    Actually, I have two more ideas for this.

    The first is to add a memory chip to the unused IC2 position on the PCB. This should give you the memory function so that it will remember the steady setting after being powered off each night.

    The IC you need is a 24C02 in a SOIC8 package. Farnell (UK) have them (LINK) as do RS Components (LINK). Make sure you solder the chip in the right way around. The chamfered side of the chip will be on the left in your photo.

    My second idea to to supply a replacement chip for the micro-controller chip (IC1 in your photo). This would just make it steady all of the time and it would not have any patterns at all.
     
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    Peter Aberdeen

    Peter Aberdeen New Elf

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    Thanks David. Will try option 1 first. Peter.
     

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