sensors for Visitor counter free 8051 Microcontroller Projects AVR PIC Microcontroller Projects Tutorials Ebooks Libraries, interfacing tutorials, lcd tutorial, stepper motor, dc motor 8051 assembly language programming electronics and communication ECE CSE pdf ebooks library BE final year project ideas Embedded systems
 
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Tag: sensors for Visitor counter

project help
Forum -> 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

Digital Visitor Counter   sensors for Visitor counter   
Posted by isha on Wednesday 11 July 2007 - 06:29:12

project help
Forum -> 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 ...

Digital Visitor Counter   sensors for Visitor counter   
Posted by Ajay on Wednesday 11 July 2007 - 06:46:52



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