Christmas lights technology revisited

It is the time of year that people start to install light decoration to their house. So it is a good idea to check again this post from one year ago;
Christmas lights can be a beautiful sight to behold. Stringing lights around your home can be a real safety hazard if you’re not careful. For outdoors use the lights you need to have lights that are designed to be used outdoors


  1. Tomi Engdahl says:

    DIY LED Light Show Props (PEX Wreath, Mega Star, Tune To Sign, Flood Lights)

  2. Tomi Engdahl says:

    This Is The Most Beautiful Christmas Market In Europe

  3. Tomi Engdahl says:

    Who invented electric Christmas lights?
    Thomas Edison and Edward Johnson (1880 &1882) and Albert Sadacca (1917).

  4. Tomi Engdahl says:

    Magical OpenThread Mesh Christmas Lights!
    Build an awesome Christmas light show with the timing coordinated over the OpenThread mesh network!

  5. Tomi Engdahl says:

    Impress your guests and neighbors with Arduino IoT Cloud-controlled, color-changing holiday lights.

    Colour Change Outdoor Christmas Lights © CC BY-NC
    Ten-year old nephews are particularly impressed when they can change the colour of the outdoor Christmas lights from a tablet.

  6. Tomi Engdahl says:

    Why you can’t mix LED and tungsten in series circuits.

    This video doesn’t just apply to the classic candle arch, it applies to most situations where lamps are wired in series multiples. On fairgrounds that often use series multiples of four 60V lamps you must change over from tungsten to LED in all four series holders.

    The construction of this LED lamp was most impressive because they had clearly designed the electronic module to fit in with all the existing production machinery.

  7. Tomi Engdahl says:

    Christmas Lights – 2020 – Carol of the Bells


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