Tag: LEDs

Home / LEDs
August 4, 2008July 13, 2009
Post

Solar Powered PIR Security Light

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...

July 16, 2008July 13, 2009
Post

Enlightenment from a Lemon

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.