A tiny metasurface chip can turn invisible infrared light into steerable visible beams, opening the door to powerful new ...
Smart locks are becoming increasingly popular for their convenience and security benefits. But they are not popular for the hassle of keeping the batteries full. That requires either swapping out ...
The Dragon Dome LED SFH 4783 uses a focused beam high-power infrared LED (IRED) to achieve a range of more than 100 m for security surveillance. It measures 11 x 6 x 5.7-mm and does not need an ...
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