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An electronic holiday light controller usually has a diode bridge followed by a resistor-based voltage divider, a filter capacitor and a fixed-program microcontroller. The micro-controller has three or four outputs which are connected to transistors or thyristor which control interleaved circuits, each with lamps of a single color.
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 ...
Carson Williams is a computer engineer [1] from Mason, Ohio who is noted for his light shows using Christmas lights affixed to and around his house. The lights are programmed and synchronized to turn on and off with music using a computer application and set of controllers from the Light-O-Rama company. For each minute of animation synchronized ...
Like a keyboard controller, wind controllers send MIDI note information electronically to an external sound module or tone generator which in turn synthesizes a tremendous variety of musical tones. Unlike a keyboard controller which is usually polyphonic, a wind controller is monophonic. The only limits to the kinds of sounds available are the ...
A cam timer or drum sequencer is an electromechanical system for controlling a sequence of events automatically. It resembles a music box with movable pins, controlling electrical switches instead of musical notes.
Christmas lights (also called twinkle lights, holiday lights, mini lights or fairy lights), that are strands of electric lights used to decorate homes, public/commercial buildings and Christmas trees during the Christmas season are amongst the most recognized forms of Christmas lighting. Christmas lights come in a dazzling array of ...