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help in lcd and keypad interface

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mohamed elbially

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please i need help to interface keypad and lcd for pic 18f452
in micro C as i want to make a calculator
please if any want can help me even give me link to help
thanks in advance
 

it wouldn't be likely if someone has written a piece of code that fits your exact application / configuration. If you insist on that, you might as well give up on the project now.

the beauty of programming in a high level language like C is its portability. that means taking a project that isn't exactly yours and repurpose it.
 

it probably takes less time / efforts to repurpose a piece of code for your mcu than to google for it or to wait for someone to write it for you.
 

the problem is that i'm self learner so all my
knowledge is from internet or books
no one direct me
 

you have been given suggestions. you just decided to ignore them, putting yourself in a situation where you are not helpable (if there is such a word).
 

Always try to break the projects in parts.like if you want to interface lcd and keypad then first try to interface keypad and blink some leds when the certain key will be press or show some results on the hyperterminal,when you have done this then try to interface lcd and show some messages on it like the famous one "Hello World".Then you try to merge both the keypad and lcd routine.
You can find alot of coding's related to your projects but maybe these are not writtem in mikro C but these will give help you to create your own scheme.
Hope this will help you.
 

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