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Presented here is an Arduino-based noise/sound level monitor that displays sound levels in decibels (dB) and corresponding voltage levels on an LCD. A noise monitoring system is used in many applications such as healthcare, defence, mining, robotics and so...
Please Keep Silence! You must have seen this message written in places like library and office. But some people intentionally or unintentionally tend to make noise in such silence zone areas, disturbing the others. How about having a device...

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