Adding Neopixels to "live" garland makes things merry and bright!
This code is part of the Holiday Garland episode of Verbose Mode TV.
http://verbosemode.tv/holiday-garland
Pixel strand: https://www.amazon.com/Diffused-LED-Individually-Addressable-Waterproof/dp/B01AG923GI (Note: the ones I originally purchased are no longer available)
Arduino Altoids Insert: https://www.thingiverse.com/thing:67421