Xiaomi's new ceiling smart light has a built-in radar sensor
Xiaomi has introduced the Smart Ceiling Light D20 on its global website, hinting at its availability for purchase in the coming weeks. It's clear that the light's standout feature is its integrated ...
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Self-powered sensor can generate electricity and light simultaneously using only movement
DGIST research teams have developed a self-powered sensor that uses motion and pressure to generate electricity and light ...