Hi, i want an Assembly language program for my project of home security system in which iam using 89c51 microcontroller. the task in which iam facing the problem is that i am using IR based communication so i want an indication whenever anyone crosses between IR sensors. Kindly send me the codes through which this communication can happen. Kindly help urgently. Haris.
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If, on the other hand, you actually want to learn how to do your assignment yourself, ask specific questions about specific problems that you are having. Show the users here that you have done at least a little of your own work.
If you want people to write your code for you, then you must expect to pay them in some way or another - money is usually the most convenient way.
In order for someone to write your code for you, they will require a detailed specification of your requirements, constraints, etc.
After studying your specification (and clarifying any issues), potential suppliers will give you a quote of how long the work should take, and how much it should cost.
The Device Database entry for each supported chip lists a number of Consultants having experience with this particular chip: http://www.keil.com/dd/chip/3682.htm
You can also search the entire consultants database: http://www.keil.com/condb/
Your chip supplier may also be able to recommend local design resources
etc, etc,...