A Miniature Chase Controller |
Chih-Lung Liu |
The choreographer of a production I worked on asked that her dancers’ handheld fans twinkle “like a starry backdrop.” The size and weight limitations imposed by the project gave me the chance to devise a miniature chase control circuit. This control circuit diagrammed below fits on a 2″ × 5″ electronic circuit board and costs less than $10 to build. Because of its small size and light weight, this circuit is useful for many theatrical purposes.
FIGURE 1: CONTROL UNIT CIRCUIT DIAGRAM
This control circuit uses three common IC chips to control the flow of electric power through light sources. The 555 ...
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