Since you don't specify much, I am guessing anything general would
work for your project. Then you may want to explore use of A/D
converters of 16C71 at microchip site AN557 and serial communication
AN510. I have not tested them they may not be 100% correct but they
usually give pretty good picture.

Aydin


>             I  will measure the temperature keep it in a pic then
> send it to a computer using  pic  to a RS232 .I reaally and immediately
> need  good advice,and if you tell me the sites where to look ,Iwill be
> very happy.
>            thanks
>                     sait ulas korkmaz
>                     ceng-2    METU
>