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tip120 driving led array

Discussion in 'LEDs and Optoelectronics' started by darren adcock, Jul 6, 2017.

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  1. BobK


    Jan 5, 2010
    Then yes, they have to be UV.

    I use a standard under-kitchen-counter fluorescent lamp myself. The exposure is long (12 min) but It works fine.

  2. darren adcock

    darren adcock

    Sep 26, 2016
    Ok Bob thanks. Most of the fun in making is learning!
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