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Articles tagged with ‘LEDs’

New LED Light Bulbs Equivalent to 60W Incandescents

Posted December 11th, 2008 by Dan (EnviroGadget Writer)
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With the push towards LED lighting (as filament lamps are due to be banned in 2012 in most countries), there is incredible research going on into lighting that offers the equivalent light output and light colour, but at the fraction of the energy consumption. The Zetalux LED light uses only 7 Watts of power, but is comparable to a 50-60 Watt Light bulb! The light is high efficiency and does not consist of any harmful raw materials.

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Gentle Illumination - Wind Powered LED Lights

Posted December 9th, 2008 by Dan (EnviroGadget Writer)

Due to the fairly low light output of LEDs, it’s easy to see that LEDs offer great potential for micro-illumination, i.e. enough lighting for a very small area. LEDs offer very directional lighting, and this dictates what they can be used for without using special diffusers. However, Jason Bruges found a novel use for a wind powered LED light and has used them to light up a tower in Southbank (London, UK).

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Solar Powered Patio Lighting - LED Umbrella Light

Posted December 2nd, 2008 by Dan (EnviroGadget Writer)

Chinavasion have released a solar powered LED lighting unit for your outdoor umbrella. The batteries in the light unit charge during the day, and at night you can switch on the LED lighting to illuminate underneath your existing patio umbrella.

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Solar-powered LED Bricks

Posted September 24th, 2008 by Dan (EnviroGadget Writer)

Lighting a large area with conventional lamps can be very costly to run in energy costs, in addition to installing the infrastructure and maintenance costs. However, with some careful planning, the use of green gadgets, such as solar powered LED bricks can be an attractive and practical technique for lighting pavements and other paved areas.

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Filed in Garden Gadgets, Lamps and Lights, Solar Powered · 2 comments

Solar-Powered LED Shed Light

Posted September 3rd, 2008 by Dan (EnviroGadget Writer)

Sheds are usually awkward things, as they’re often dark, damp and a fair distance from the house (if you’re lucky enough to have a large garden). So if you want a light for your shed, getting electricity from the house is a lot of hassle and expensive. Using a solar-powered shed light means that you don’t need to worry about that. The solar power charges a NiMH battery in 8 hours, and gives you up to 3 hours of bright light in the shed.  A great eco friendly gadget, that’s useful too.

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Solar Powered PIR Security Light

Posted August 4th, 2008 by Dan (EnviroGadget Writer)

Sometimes there’s a trade off between having a useful gadget and it’s energy requirements. So if you’re interested in home security, it would be fairly likely you’d want a motion detecting flood light. However, if these lights are coming on several times in an evening, it’s probably going to cost a bit in energy costs so you also want an energy saving gadget. The Solar Powered Security Light eradicates that issue, as you charge up a battery using solar energy, and still get the security light functionality you want.

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Filed in Home Security, Recycling, Solar Powered · Add a comment

Enlightenment from a Lemon

Posted July 16th, 2008 by Dan (EnviroGadget Writer)

This curious lemon light exploits an old trick of creating electricity from a lemon (along with some zinc and copper metal). The device was created by artist Yuri Suzuki to highlight the wastefulness of society.

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Filed in Alternative Fuels, Odd Gadgets · Add a comment