A complicated LED Light Patterns generated from a long exposure of a LED array.
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Above:  This is a small commercial battery powered LED array that my wife wanted suspended above the BBQ. I have covered one of the LED’s with blue cellophane.It is suspended above the camera. Now just give the lights a push and take a time exposure.

                       Above:  Pushing the array in a simple circular motion with some spin gives intricate geometric patterns. It’s like you could almost grab it. This looks very much like a toroid used on top of my Tesla coils. Note the path of the one blue coloured LED.

Below: A little fan with programmed LED’s in one of the soft plastic blades and was bought in Hong Kong (thanks Gail). The flash rate and sequence of each LED varies. Newer ones have more smarts and can give moving text for advertising but it illustrates the technique.

             

The same fan giving a rotating spiral of detailed patterns. Pushing the array in a simple circular motion with some spin gives intricate geometric patterns. It’s like you could almost grab it.

Above:   Drawing with light using a handheld LED torch and a fibre optic spray. The lower photo looks a bit like a lightning bolt next to me.

The effect from two small decorative neon tubes spun in a circle. That is until one hit the desk and then there was one.
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