help me topic " refrigerator door detector"

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kenichi

Joined Oct 28, 2013
9
hi sir can you please help me to design a circuit ...i really need your help as 4 days from today i will be having a presentation of my project...... i want to make a circuit that using a ic555timer ,buzer,led,transistor,and relay if possible.
i am aiming to make a circuit that can determine whether or not Refrigerator door is closed properly. i want the buzer to produce sound alert & the led to light up whenever if the Refrigerator door is not closed within within a given amount of time preferably minutes.
is this possible? please help me... please design the circuit for me so that i can learn how a simple circuit can solve this problem
 

MrChips

Joined Oct 2, 2009
21,373
Sorry. This goes under Homework.
You don't learn by having someone do your work for your.
Give it some effort of your own and come back with questions.
 

Thread Starter

kenichi

Joined Oct 28, 2013
9
Sorry. This goes under Homework.
You don't learn by having someone do your work for your.
Give it some effort of your own and come back with questions.
do i need to delete this post...? :D i found the homework section..i am gonna post there..
 
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