Did you know that the LED can be used as a light detector? In fact green LEDs are the best for this, but all LEDs will detect light and produce a voltage equal to the characteristic voltage-drop. The ...
As LEDs continue to replace incandescent lamps worldwide, so the traditional role of tungsten filament lamps as photometric standard light sources comes into increasing question. A project at ...
Equipped with a bright LED, Farsens' Photon RFID tag operates as a convenient UHF RF field detector tag. Whenever the tag comes close to an RF field source, it harvests energy from the RF field and ...
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