• Night Joule Thief kit

  • $ 12.00

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  • Description

    Joule Thief is a simple circuit the boost low voltage from a single battery high enough to light LEDs.

    Joule Thief circuit is combined with an ambient light sensor – Night Joule Thief is a little night light that keeps going with just one battery for weeks! Two white LEDs light up surprisingly bright.

    * This is the original version of Night Joule Thief that uses white LEDs – not to be confused with the new color changing version.

    Please view the instructables for technical info and assembly steps.

    *** NOTE: The color of the PCB will be green instead of purple shown in some of the pictures. ***


Night Joule Thief kit

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