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1Don't build this
Well, if you really want to...
Between a few flaws and things that seemed like a good idea at the time, I suggest waiting for the V2.0 of the clock. I'll start to post that as soon as I wrap up posting this version.
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2Resistance is crucial
The 'resistor' started life as the acrylic roller in a SpeedBall Brayer screen-printing toolkit. A bit of light sanding created the diffusion bands on the roller. The end caps are brass garden hose caps whith holes drilled for the heavy copper wire to be soldered in to.
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3First base
The first base, a half inch thick slab of poplar, didn't quite work. It turned out that the resistor worked like a lens, focusing the wide angle LED's output in to a very small stripe on the surface. To see anything at all, you had to position yourself within the viewing angle.
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4Second base
This base was also a half inch thick poplar board, this time, with the power connector nearly protruding the top of the board. The viewing angle improved, but still wasn't enough.
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5Third base
The final base was built in layers from a quarter inch thick by two inch wide poplar strip. This time, the LEDs are just a few tenths of an inch below the resistor and there is space to conceal the power connector. Twenty-some coats of spray lacquer later...
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Awesome build!
Are you sure? yes | no