Normally exhaust fans installed in kitchens, including restaurant kitchens, keep running continuously—whether smoke is present or not. Here is how you can build a small electronic device that switches on the exhaust fan automatically only when there is smoke in the air. It switches the exhaust fan off when the smoke has been removed.
The post An Exhaust Fan That Switches On Automatically On Detecting Smoke appeared first on Electronics For You.
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Credit- EFY. Published by Department of EEE, ADBU: tinyurl.com/eee-adbu
