burglar alarming latch

by kumar anand
(bangalore,india)

i was in 9th standard then.Every year our school organized "ANNUAL SCIENCE EXPO". that year i participated and after lot of discussion i made "burglar alarming latch".

Actually in that project i used LDR (light dependent resistor). first i made a house using cardboard. then at the door of the room i fixed LDR. LDR is sensitive to light. slight chnage in intensity of light can trigger the alarm connected to that LDR.

It worked really very well. i got second prize for that even. i have certificate for that also.
school science fairs are really very encouraging.it helps children to think something new something creative.

Yes i would like to do it again.

Barry's Response - Yes, Kumar, we need more sensors. They can function as our eyes and ears when we're not around, and may be an important step in the eventual creation of artificial intelligence. Thanks for this description of your early research.



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