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automatic room light controls
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Richmond



Joined: 29 Oct 2009
Posts: 3
Location: Ghana
Post30 Oct 2009 12:32   

automatic room light controls
please could someone help me on automatic room light design using LDRs
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Post30 Oct 2009 12:32   

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pranam77



Joined: 22 Apr 2008
Posts: 1071
Helped: 94
Location: Mangalore(India)
Post30 Oct 2009 12:53   

Re: automatic room light controls
Richmond wrote:
please could someone help me on automatic room light design using LDRs

You may construct given in the link below to automatically control the light as to swithc on during dusk and switch off during dawn.
http://www.radioconstructors.info/gaf2/0662rcldr/circuit.jpg

If you meant counting the visitors and controlling the room light accordingly, you may download a similar project using 89S52 microcontroller with source codes from this link
http://www.8051projects.net/request119.html

Cheers
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