This circuit shows how to use an ordinary LED as a light sensor. It makes use of the photovoltaic voltage developed across the LED when it is exposed to light. LEDs are cheaper than photodiodes and ...
LEDs are a wonderful technology. You put in a little bit of power, and you get out a wonderful amount of light. They’re efficient, cheap, and plentiful. We use them for so much! What you might not ...
LEDs are a wonderful technology. You put in a little bit of power, and you get out a wonderful amount of light. They’re efficient, cheap, and plentiful. We use them for so much! What you might not ...
Tech Xplore on MSN
Future LED light could both illuminate and communicate
In the visions of researchers at the University of Oulu, light does far more than illuminate. It provides, among others, a ...
Key Takeaways Motion sensor lights can reduce home energy usage by 30% to 50% compared to traditional always-on lighting ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback