Dimmable light for makeup mirror (battery powered)




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    This is a simple, low-cost and quick project that can get a high spouse acceptance factor.

    Mirror

    • Remove the led strip from the aluminum profiles.
    • Cut the aluminum profiles and the covers to appropriate length. I used a hacksaw to cut profile+cover at the same time to ensure the got the same length.
    • Cut the led strips at one of the cut points using a side cutter.
    • Remove the old wires (they are too short to reach the box) and solder new wires.
    • Put the led strip back inside the aluminum profile. Note that there is a small grove at the back for the strip, this ensures that the strip is close to the profile to maximize cooling.
    • Glue the profiles to the mirror. I used slow-curing epoxy.

    Electronics box

    • Drill holes in the project box for the switch (6mm) and the potentiometer (6mm should be enough but was too tight so I used 8mm).
    • Drill a 4mm hole for the wires to the led strips.
    • Upload the sketch to the Arduino
    • Connect the Arduino and the battery packs and put them inside the project box.
    • Fasten the project box using double-sided tape.

    Big thanks to my wife for letting me use the action photo.
    Makeup mirror light
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