Optical sensors are a broad class of device for detecting light intensity. This can be just a simple component for notifying when ambient light levels rise above or fall below a prescribed level, or a ...
India Today on MSN
Atomberg creates India-wide map of water quality, anyone can check TDS with PIN code
Curious about how hard is water in your area? Atomberg's new free tool lets users check water quality, TDS levels and more ...
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