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DOOR ALARM

Z

zoey_higgins

Feb 18, 2012
1
Joined
Feb 18, 2012
Messages
1
HeLLo everybody!! I need help on how this circuit works.. the significance of each component.. Thank you!!!!
 

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Rleo6965

Rleo6965

Jan 22, 2012
585
Joined
Jan 22, 2012
Messages
585
It seems circuit will not work. Resistance were in Meg.
Google for NE555 door alarm. It's easier to learn and assemble.
 
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