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Disable "all" mode on LED fairy lights

Discussion in 'LEDs and Optoelectronics' started by Jayme, Aug 17, 2015.

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  1. Jayme

    Jayme

    1
    0
    Aug 17, 2015
    IMAG3233.jpg IMAG3236.jpg IMAG3233.jpg IMAG3233.jpg IMAG3236.jpg I have some garden LED lights controlled by a timer plug that turn on in the “all” mode (flashing, slow dim, constant and so on). How can the circuit be altered so that the only mode is constant?
     
  2. Alec_t

    Alec_t

    2,969
    804
    Jul 7, 2015
    You'd probably have to bypass the processor (that multi-legged component half way across the pcb) and re-configure connections to the 5 wires feeding the LED array. Without knowing the specs of either the processor or array the chances of success are slim :(.
     
  3. ADRT

    ADRT

    192
    32
    Nov 25, 2014
    You should be able to jump collector to emitter on the transistors like this.

    gardenlight.png

    You could then eliminate this trace to kill supply voltage to the processor.

    gardenlight2.png
     
  4. ADRT

    ADRT

    192
    32
    Nov 25, 2014
    Sorry second step is not completely right. De-solder current limiting resister lead from circled pad and re-solder to where I've pointed to as well as cutting this trace.

    gardenlight3.png

    So from here to here.

    gardenlight4.png
     
  5. Marvinmuffintan

    Marvinmuffintan

    1
    0
    Feb 27, 2021
    444D3E97-3EB2-49CB-8CA4-EAFE2F18EA65.jpeg 317FC6F1-286E-4E01-9204-E1967B839029.jpeg I have been having issues bypassing the 8 modes as well with the lights i bought. While i don't have an understanding of what a resister, processor, transmitter etc, would any of you kind souls please advise me how i can bypass the 8 modes to keep the lights on static for these two circuit boards?
     
  6. Bluejets

    Bluejets

    4,991
    1,048
    Oct 5, 2014
    Get a circuit diasgram and go from there.
     
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