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LCD 16x2 & PIC18F4520 & MikroC

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Linspire

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Guys, today I have tried load my lcd's hex into my PIC18F4520.
It's just show weird characters.
It's working properly for last two weeks until now.

However,when I changed into new pic18F4520, it's working properly.
Anyone experience this kind of problems ?

Regards
Linspire
 

Have you programe config bits? Selected proper clock source?? Check connection first.
 

Yap,done all. Still cant figuring out why's like that.
By just replacing another PIC, it's solved.
Weird.

Linspire
 

Are you sure you did everything properly? Try to program the same 18F4520 and test again.
 

Yap,I replaced another PIC18F4520, It's solved.
Weird though.

Linspire
 

Maybe it was some temporary problem. Maybe some problem in connection when programming the PIC or for some reason, PIC wasn't programmed properly. Since it's working now, then, there are no worries as long as it doesn't happen again.
 

I'm just curious why it's like this.
I though I can keep my another pic18f4520 for backup purpose.
 

I'm just curious why it's like this.
I though I can keep my another pic18f4520 for backup purpose.

Is it possible for you to try the PIC which causes you problems on another hardware? or with some another programm? I know, you can say your problem is solved, but you can check this if you want to go in deep why that happen..
 

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