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Spiral LED Lamp
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A very lightweight spiral lamp (only 6 grams) with thin walls for optimal light diffusion. Two versions are provided: a Spiral Light diffuser and a Spiral LED Lamp (white or RGB). The Spiral Light Diffuser (without LED housing) is designed to be placed over your cell phone's flashlight. The Spiral LED Lamp has a housing for a 5mm white or RGB LED.The attached photos show how to reuse a USB cable to power a white LED with a 120 Ohm resistor.If using an RGB LED, I've attached an Arduino sketch to achieve a rainbow effect.
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