Eco DIY: Smart and bright solar-powered LED coasters - Instablogs
Eco DIY: Smart and bright solar-powered LED coasters
Sameer Kumar , Hyderabad: Sep 27 2008
Made Popular Sep 27 2008
Eco Factor: Solar-powered LED coasters that turn blue light up depending on the temperature of the object you place on them. Some DIY stuff is real complicated and ends up giving you a pretty dull-looking gadget that you soon discard. But the...
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Tags: LED, LED Coasters, Solar Power, Eco DIY
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