Tag Archives: Light-emitting diode

Gravity-Powered LED Lamp Revolutionizes Self-Sufficient Lighting

Posted on December 14, 2012 by Hellmuth Broda

This is a very interesting new development. Since the arrival of affordable LEDs and their increasingly better efficiency and light quality new mechanisms can be used to power these new lights in any dwelling. British designers Martin Riddiford and Jim … Continue reading →

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‘Li-Fi’: Wireless Data Via LED Lights, Anywhere

Posted on April 21, 2012 by Hellmuth Broda

In an earlier post I wrote about data transmission by light in the home. But this development gives the story a new twist: Using not only the lights in buildings but also outside light sources to transmit data wirelessly.

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Invisible Mercedes Brings James Bond Technology To Life

Posted on March 22, 2012 by Hellmuth Broda

Usually I don’t promote companies or products. But this is too good to let pass. RT from TechCast.org: From the Yahoo Auto Blog (By Justin Hyde | Motoramic): In a promotion for its first production fuel-cell vehicle in Germany, Mercedes-Benz turned a … Continue reading →

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Visible Light Communication An Alternative to Wifi?

Posted on August 4, 2011 by Hellmuth Broda

An interesting alternative to WiFi in the home is the use of LED lamps where the network signal can be modulated on the light beam (Visible Light Communication, VLC) resulting in data transfers of  1GB/s. Project Omega, the Home Gigabit … Continue reading →

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