Make rain alarm at home.. school project.. project for Science Exhibition

Thanks! Share it with your friends!

You disliked this video. Thanks for the feedback!

Added 4 years ago by tomm

3 Views

When the salt gets wet..
It becomes great conductive of electricity and completes the connection between the aluminum strips...
So the buzzer sounds..

music :- Karaoke Ik Junoon (paint it red) from Zindagi Na Milegi Dobara

instagram -
https://www.instagram.com/technical_uno/

Like Share and Subscribe