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Slate Light Box

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Brian Reynolds
Slate Light Box
on Sep 15, 2010 at 9:59:40 am

Recently I was asked by some guys shooting on D5, D7 cameras for a clapper / sync system...(yes they could have used a clapper board)

Spent some time in the workshop and came up with this "Slate Light" using 2 LEDs(Green + Red for START & STOP), buzzer, 9v Battery all in a small box.
They have used it on a days shoot with positive feedback....







The difference between Knowledge and Wisdom is... Knowledge is the knowing of facts.... Wisdom is the sensible application of good quality knowledge...


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Rob Forsythe
Re: Slate Light Box
on Sep 17, 2010 at 4:03:02 am

Nice.

If you'd maybe add a second button that would activate a "one shot" circuit with an "on-time" of a fraction of a second (maybe a quarter second, or shorter) that would give a very tight pulse of the LED's and the tone, which would be similar the sharp clack of a clap-board.

(The short audio "pop" that would result would be easy to cue-up, as well.)



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Brian Reynolds
Re: Slate Light Box
on Sep 17, 2010 at 5:03:10 am

I initially thought the same (a short pulse) but trying to find a 2 frame light flash when spooling or cueing the video was near impossible to find. With a long pulse there are 2 cue points (start and end of pulse), the audio on a wave display is a VERY distinct block and looks so much different than the program sound.

The difference between Knowledge and Wisdom is... Knowledge is the knowing of facts.... Wisdom is the sensible application of good quality knowledge...


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