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i urgently need a speaker simulator program for the project. i try searching my intrnet but cannot find much that is good. please someone must have some like anyone have library or source code for it?
"what is series resestor?"
Oh dear!
This is basic electronics. You need to put the software aside for a while, and learn about basic electronics. Or stick to a purely software-only project.
" i look in help for compiler but can not find"
Of course you can't: it's part of your target hardware - it has nothing whatsoever to do with the compiler.
You said you spoke to a lecturer about this.
Clearly, the lecturer assumed that you understood these things.
As Erik observed earlier, either this 'lecturer' is asking you to do things he has not covered (which is unreasonable), or you have not been applying yourself to your course...