29 lines
1.2 KiB
Markdown
29 lines
1.2 KiB
Markdown
Title: LED Dress
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Date: 2016-03-18
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Category: Projects
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Summary: A dress made out of LEDs that twinkle like stars.
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A friend of mine was attending a stars and constellations themed ball. She
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wanted to wear a dress that was lit up with LEDs acting as twinkling stars.
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Seven of the 28 stars are aligned to resemble the Big Dipper constellation and
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twinkle differently than the rest, which twinkle in a random pattern.
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![a girl wearing a blue dress with a number of LEDs shining through the fabric]({static}/images/dress/dress1.jpg)
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## Construction
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The LEDs came from that strip that was cut up and soldered together with very
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small wires. Each of the LEDs can be controlled individually.
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![the controller circuit board, and the string of soldered together LEDs]({static}/images/dress/dress2.jpg)
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21 of the stars are light magenta in color and twinkle by fading randomly. The
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seven LEDs that form the Big Dipper continually scroll through a gradient of
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three colors. Instead of calculating the values of each color in the gradient as
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the program runs, a lookup table is used.
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<video autoplay muted loop style="display:block; margin: 0 auto;">
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<source src="{static}/videos/dress/dress3.mp4" type="video/mp4">
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Your browser does not support the video tag.
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</video>
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