Smart fan

Updated on March 18, 2019 in Ideas
1 on March 18, 2019

What?
A fan which rotates when there is user under it.
Why?
For power saving for example:-many people doesn’t care take it off to ON and fans consume unnecessary energy
How?
By attaching a thermal sensor or ultra sonic sensor which detect the heat of human body?

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0 on March 18, 2019

PIR sensor is used to detect human. You can go ahead with it.

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