Topic

christmas lights

3 videos. Ranked by independent recommendations, not by views.

1. 

   1 Update: Mystery Two Pin RGB LED - Pulse Controlled

   Julian Ilett 5 people · 5 months · since Jan 2017

   Julian's follow-up on two-pin colour-changing LEDs, explaining how the tiny built-in chip is pulsed to switch colours, relevant to Christmas light strings.

2. 

   2 The Twinkling Light Set: An increasingly rare but delightful type of decorative lighting

   Technology Connections 3 people · 3 months · since Feb 2019

   Technology Connections is credited with a good explanation of how old Christmas lights flash without any circuit, showing how simple the mechanism is.

3. 

   3 Tutorial 14 for Arduino: Holiday Lights and Sounds Spectacular!

   Jeremy Blum 3 people · 3 months · since Jul 2012

   Recommended by Arduino and electronics hobbyists, with one commenter citing a section on driving Christmas lights from a separate power source.