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Articles tagged with ‘LEDs’

Solar Powered PIR Security Light

By Dan (EnviroGadget Writer) on August 4th, 2008

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. (more…)

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Enlightenment from a Lemon

By Dan (EnviroGadget Writer) on July 16th, 2008

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. (more…)

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