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 ...
LEDtronics, Inc., announces energy-efficient, vibration-resistant T8 fluorescent-replacement LED tube lights that are ideally designed for display cases, coolers and cold freezers. LEDtronics, Inc., ...
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