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hi friends,
i am new with timer topics.so i need your help.in order to understand main progress of timer0 i need a simple code block.i want my timer0 to count when i press a button and stop when i pr ...

thank you very much for your helps.i understood interrupts.you say that external interrupt is easy then rb4-rb7 interrupts.what should i change for rb0 interrupts.

i am so sorry.last message was mine.i have asked it.but forget to be logined before sending message.

hi everybody,
i am new to interrupts so i am trying to learn it.i use 16f877.and b port interrupts(b4-b7).i want to connect a button to rb4 as interrupt button.when i press this button i want my led ...

hi everybody,
we can all write anything to lcd with putc command.with putc command (" ") its simple to write betweeen quotes.but if i say char a[6]="hello" and
write lcd_putc(a) ...

hi;
i communicate 16f877 and pc via a delphi interface program.at first i give power to PIC card and then i start my computer.i open my delphi program and run it.but it doesnt communicate with PIC.i ...