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A chase is an electrical application where strings of adjacent light bulbs cycle on and off frequently to give the illusion of lights moving along the string. With computerized lighting consoles, building chase sequences has become easier, while previously chases used mechanical means, such as a wheel with an electrified spindle which strikes electrical contacts for each circuit.
Holiday lights can be animated using special "flasher" or twinkle bulbs (usually a red-tipped replacement bulb included with the set) or by electronic controller. Flasher bulbs use a bi-metallic strip which interrupts the circuit when the lamp becomes hot. [10]
However, inexpensive (<$150) DMX -> USB PC interfaces such as the ENTTEC and DMXKing DMX USB Pro with public API and other DIY, and free or Open source software hardware combinations are available. Many console vendors also make a software simulator or "offline editor" for their hardware consoles, and these are often downloadable for free.
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The major advantage of a lighting control system over stand-alone lighting controls or conventional manual switching is the ability to control individual lights or groups of lights from a single user interface device. This ability to control multiple light sources from a user device allows complex lighting scenes to be created.
Chasing Christmas is a 2005 contemporary re-telling of the 1843 Charles Dickens novella A Christmas Carol. [ 1 ] [ 2 ] This ABC Family film, written by Todd Berger and directed by Ron Oliver , stars Tom Arnold as Jack Cameron, who is a man with a Scrooge -type personality. [ 3 ]
More cities in the US are establishing schemes to recycle Christmas lights, with towns organizing drop-off points for handing in old lights. [41] [42] As of December 2019, most scrap metal recycling centers will purchase traditional incandescent Christmas lights for between US$0.10/Lb - USD$0.20/Lb (€0.20/Kg - €0.40/kg). [43]
A common Christmas tree consists of a column of seven lights for each driver or lane. Each side of the column of lights is the same. At an NHRA national event, the Christmas Tree, which was first used in April 2011, from the top down, consists of a blue LED light set (top and bottom halves), then three amber bulbs, then a green bulb and a red ...