To add something positive to the conversation, you might be interested in:

http://screwdecaf.cx/yatc.html

an opensource AVR design for a simple, useful temperature controller.=20
Available as kit or assembled, or you can download all the design info=20
and make it yourself.  Disclaimer: Mikey (the designer) is a friend of mine=
..

A forum for AVR microcontrollers:
avrfreaks.net

I design with PICs, have done only a few AVR designs, and while I hope=20
you stay on PIClist, the most important thing is for you to be able to=20
build something useful and learn new things in a positive online=20
environment, wherever that may be.

Good luck to you!
J



DIN ROFIE wrote:
> Olin wrote:
>> 1 - Are you really trying to control the temperature of something,
>      or is this a homework assignment?  If the former, what are you
>      trying to control and why?  If the latter, tell us the complete
>      problem statement.
>
>      I really want to control the temperature of something and it is not =
a
> homework
>      As I mention before I never attending any micro controller class or =
lecture
>      as i cant afford it. I only learn via experience and online.
>       I try to design a hot pouch that can heat up food to
>      my specified temperature.Recently, I have found a circuit using PIC1=
6f877
> that
>      has exactly the same function as my specification of the
> pouch.Unfortunately, the
>      web page was R.I.P long time ago.I cant access further information a=
bout
> those circuit.
>
>> 2 - What school/college/university/whatever are you attending and
>      what is your major?
>      I am not attending any of lecture and class.I am just a waiter who
> interested to PIC
>
>> 3 - Where are you located?
>      I live in Johore,Malaysia. Specifically in rural area.That why I am =
not
> expose
>      to technology environment and other stuffs about mailing language or
> whatever.
>
> Best Regards,
> Din
>
>
>
--=20
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