project help

sir, i've a question related to the project named 'Digital Visitor Counter', that ''what type of sensors are used in this project" , complete information about these sensors..... reply me as soon as possible
Thanks
... Read Compelte post
Posted by isha on Wed Jul 11 2007, 01:29 PM

project help

Thank you for posting it here.. this is going to help others too
...
so, regarding the sensors, in the project, LDRs are used. LDR = Light Dependent Resistor
There are two LDRs in the circuit, one is on the exit door and on the entrance door.
So when someone crosses the entrance door, it counts the visitor up and when someone crosses the exit door, it decrement the counter.
Timer is setup to refresh ... Read Compelte post
Posted by ajay_bhargav on Wed Jul 11 2007, 01:46 PM

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